Inawise TPMS-4WD series User And Installation Manual

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nawise (Australia) Pty Ltd

TPMS-4WD series T yre Pressure

Monitoring System

(TPMS)

User and inst allation

guide

Pr oduct features and installation instructions for the TPMS-4WD-V2 tyr e pressur e and

temperatur e monitoring system.

Document Number: 913-9001 Rev G 11/July/2012

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

TABLE OF CONTENTS

INTRODUCTION..................................................................................................................................1

PRODUCT APPLICATION AND FUNCTIONALITY.....................................................................1

1. TPMS-4WD-V2 PRODUCT OVERVIEW..................................................................................1

2. PRODUCT FEATURES................................................................................................................3

2.1 FEATURES SUMMARY ................................................................................................................3

2.2 THEORY OF OPERATION .............................................................................................................4

3. INSTALLATION...........................................................................................................................5

3.1 INSTALLING DISPLAY UNIT........................................................................................................5

3.1.1 Mounting location ............................................................................................................5

3.1.2 +12V power source determination...................................................................................6

3.1.2.1 Cigarette lighter power option: ...................................................................................................6

3.1.2.2 Hard wired power option:...........................................................................................................6

3.1.3 RF Antenna.......................................................................................................................7

3.1.3.1 Wire Antenna..............................................................................................................................7

3.1.4 Fixing display module into place......................................................................................8

3.1.5 Reconnect vehicle battery.................................................................................................8

3.2 INSTALLING SENSOR/TRANSMITTER MODULES..........................................................................9

3.2.1 Identify the ID-Keys..........................................................................................................9

3.2.2 Sensor Disassembly........................................................................................................10

3.2.3 Loosen Electronic module..............................................................................................10

3.2.4 Fix Sensor .......................................................................................................................11

3.2.5 Adjust head angle...........................................................................................................11

3.2.6 Torque valve stem...........................................................................................................11

3.2.7 Mount tyre ......................................................................................................................12

3.2.7.1 Lubricate...................................................................................................................................12

3.2.7.2 Position tyre..............................................................................................................................12

3.2.7.3 Position upper bead...................................................................................................................12

3.2.7.4 Finish fitting tyre.......................................................................................................................12

3.3 SETTING PRESSURE RANGE......................................................................................................13

3.4 CHECKING CURRENT PRESSURE RANGE ...................................................................................13

3.5 TURNING ON THE SENSOR/TRANSMITTERS ..............................................................................14

3.6 CHECKING THE SYSTEM WORKS...............................................................................................14

4. TYRE REMOVAL.......................................................................................................................15

4.1 BREAKING UPPER AND LOWER BEAD. ......................................................................................15

4.2 UPPER AND LOWER BEAD DEMOUNT........................................................................................15

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PAGE II

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

5. OPERATING PROCEDURE..................................... ......................... ......................... ...............16

5.1 GENERAL.................................................................................................................................16

5.2 TURNING ON LCD BACKLIGHT................................................................................................16

5.3 DISPLAYING TYRE TEMPERATURE...........................................................................................17

5.4 DISPLAYING SENSOR KEY ID ..................................................................................................17

5.5 DISPLAYING CURRENT PRESSURE RANGE.................................................................................17

5.6 SETTING BASE PRESSURE........................................................................................................18

5.7 ROTATING TYRES ....................................................................................................................18

5.8 DISABLING MONITORING OF SPECIFIC WHEELS ........................................................................19

5.9 REPLACING SENSORS...............................................................................................................19

5.10 SPARE TYRES ..........................................................................................................................19

6. DISPLAYS AND WARNINGS...................................................................................................20

7. TROUBLE SHOOTING..............................................................................................................22

8. QUESTIONS AND ANSWERS ..................................................................................................23

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9. WARRANTY AND SUPPORT...................................................................................................27

10. TECHNICAL SPECIFICATION...........................................................................................28

............................................................28

11. SAFETY WARNING...............................................................................................................29

12. REPLACING VALVE CAPS..................................................................................................29

13. FCC COMPLIANCE...............................................................................................................29

14. DISCLAIMER..........................................................................................................................29

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PAGE III

Introduction

Product application and functionality

1. TPMS-4WD-V2 Product overview

Thank you for choosing an Inawise Tyre Monitoring product. Not only will this product make your vehicle safer, but you are also helpin g the environment by using less fuel and increasing the life of your tyres. Such is the impact that this type of device can have, that tyre monitoring systems have been made mandatory in the USA as of September 2007 f or all new vehicles manuf actured and brought into the USA. It is speculated that many if not most other countries will follow this lead.

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

This TPMS-4WD-V2 is one of a series of products in our TPMS range. This model is specifically designed for 4WD vehicles catering to the unique requirements imposed by 4WD applications.

One of the features of this mod el is a Low and High range pressure selector switch on the back of the display module. This feature allows the system to recalibrate to a new set of parameters with the flick of a switch, once the vehicle’s tyres have been deflated for off road driving.

The TPMS-4WD-V2 is a realtime Tyre Pressure (and temperature) Monitoring System (TPMS). “Realtime” meaning the actual temperature and pressure at that moment in time. The system is designed to constantly monitor vehicle tyre pressure and temperature whenever the display unit is po were d up .

The kit consists of a display unit, 4 sensors, a power cord, a cigarette lighter adaptor and an integrated dual wire antenna.

Since the display unit consumes very little power, it is recommended that the display unit be hardwired to the vehicle’s 12V electrical system. The 12V supply should be live irrespective of the position of the ignition key switch. This will enable the TPMS-4WD-V2 to monitor the tyres not only when the vehicle is being driven, but also when it is parked.

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PAGE 1

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

The TPMS-4WD-V2 is designed to monitor 4 wheels and hence is designed for 4 wheel vehicles only. The kit is supplied with 4 sensor assemblies which need to be fitted to each wheel of the vehicle. Each of the sensors consists of a valve electronic assembly which is encapsulated within a plastic/silicon housing.

stem, incorporating the new tyre valve and an

The actual electronics within the sensor consist of a low power 433.92Mhz RF transmitter, a microprocessor with embedded temperature and pressure transducers, a motion detector and a lithium battery as a power source. None of the electronic components, including the lithium battery are serviceable or replaceable. In the e vent of a failure the whole valve sensor assembly can be replaced.

The sensors need to be fitted in place of the existing tyre valves. To do this the tyre needs to be removed from the rim, the sensor fitted and then the tyre re-fitted. Normally this work is carried out most efficiently by a specialised tyre fitter or tyre retail outlet. Only rims with a tyre valve mounting hole of 11.3mm are supported. This is the standard size for most OEM and after market rims.

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The battery life of the sensors has been designed to last for 7 years (typical) or 250,000km of driving. The concept being that if a set of sensors is fitted to a vehicle at the time that a new set of tyres are fitted, the sensors will outlast the life of the tyres. As that set of tyres is replaced, it can then be determined whether the sensors should be replaced or whether they can be utilised for another tyre cycle.

The valve stem section of the sensor assembly is man uf actu red fr om h i gh g rad e alu miniu m with a propriety finish to prevent corrosion. Aluminium is utilised to ensure the sensor assembly weight is kept to a minimum, while at the same time providing mechanical strength essential for 4WD applications. This low weight ensures that wheel balancing can be easily achieved. Und er certain environmental conditions electrolysis can occur if a steal valve cap is fitted to the valve stem. This electrolysis will cause the valves stem to corrode. As a result it is recommended that only the supplied plastic or an aftermarket aluminium valve cap be used.

The encapsulated electronics will ensure reliable operation even in dirty, muddy and humid off road environments. In addition the encapsulation will also ensure the sensor can withstand heavy vibration and shock typically encountered on rough 4wd tracks. As all the electronics are environmentally and mechanically insulated and isolated, including the lithium battery, the unit is not serviceable in any way, nor can the battery by replaced.

Additional sensors can be purchased and fitted to spare tyres, however only 4 wheels can be monitored at any one time. Tyres can be easily ro tated along with spare tyres due to Inawise’s unique sensor ID technology. (See section on Tyre Rotation)

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2. Product Features

2.1 Features summary

 Display and monitor tyre pressure and temperature of 4 wheels simultaneously  “On-Road” and “Off-Road” selector switch on back of display module  Unique patented sensor ID technology  Simple “set and forget” operation, or can be used as a performance driving aid

informing the driver of real time tyre pressures and temperatures

 Reduces the risk of catastrophic tyre blowouts due to low pressure or over

temperature

 Notifies driver of low tyre pressure before any noticeable affect is felt, particularly

on dirt roads and rough tracks

 Audible and visual alert on over pressure  Audible and visual alert on under pressure  Audible and visual alert on fast leak detection (over 3.7 PSI within a 15second

period)

 Audible and visual alert on over temperature  Display unit powered from vehicle 12V supply, no need for batteries  LCD display with white LED backlight.  Front panel “function” button to switch between pressure and temperature display.  Rear On/Off power switch  Compatible with vehicles which have tinted windows containing metallised film  Intelligent power saving tech nology enabl es battery life of sensors to l ast a typical

life of 7 years or 250,000km.

 Sensor electronics and tyre valve all in one assembly  Electronic module located inside rim and protected from external damage  Sensor electronics encapsulated in silicon, creating environmental isolation,

ensuring long life and reliability in harsh environments.

 Aluminium valve stem with proprietary protective coating to guard against

corrosion in harsh environments.

 Virtually immediate driver alert when problem detected  1 year warranty.  Low power consumption.  CE/FCC/E-Mark standards certification

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TPMS-4WD-V2 User and installation guide

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2.2 Theory of operation

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

The Sensor/Transmitter modules are mounted inside each wheel rim and are held in position by a special aluminium stem tyre valve, which replaces the existing tyre valve. The sensors monitor the tyre pressure and transmit this information at predetermined intervals via RF (Radio Frequency) to the display mod ule. Th ese tr ansmissio ns occur every few seconds when the vehicle is moving and only every few minutes when the vehicle is stationary, in order to conserve the life of the lithium battery located within each sensor.

Whenever the display is powered up it receives this information via an RF signal. The display module’s first step is to ascertain whether the information is from a valid sensor, and if so which wheel it relates to. This is done via the ID-Key technology. Each sensor has a unique ID. No two sensors have the same ID. Each sensor’s I D is associated with an “ID-Key” which is a device which looks like a button and plugs into the side of the display module. This ensures only information from the correct sensors is read and displayed.

The display unit, on qualifying the identity of the data from the RF signal, then evaluates the data to ensure it is within valid parameters. The new data is displayed onto the LCD screen and if a problem is detected the data is highlighted and an alarm is sounded.

Since tyre pressure can vary significantly due to variation in tyre temperature, it is the actual sensor which carries out the determination of whether air is leaking from the tyre, while the display unit determines whether the pressure is within defined limits. The microprocessors within the sensors cross reference changes in tyre pressure with ch anges in tyre temperature. An algorithm determines whether the change in tyre pressure is due to a leak or simply due to a change in tyre temperature.

The sensor modules incorporate a motion detector to determine if the vehicle is parked or moving. When the vehicle is parked the sensor s cons erve power by monitoring the tyre at greater time interval provided the tyre is within a normal pressure range. If the vehicle is moving, or the tyre pressure is outside a normal range, the sensors update the display every 4 seconds.

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3. Installation

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

Installation instructions for the TPMS-4WD-V2

Premise: The Display unit does not require professional installation, however it is recommended that the Display unit be “hard wired ” to th e vehicles electrica l systems (rather than the 12V Cigarette lighter output), as such a general aptitude with the ability to identify, cut, strip and join wires is required.

The sensors need to be installed in each wheel in place of the standard existing tyre valve stem. While this can be done by a non professional, it is time consuming and hard work without the correct equipment. In addition, on completion the wheels need to be dynamica lly balanced which can only be done with the appropriate tyre balancing equipment. Any tyre shop or corner service station will be able to provide this service cheaply and efficiently.

3.1 Installing Display unit

3.1.1 Mounting location

Identify a suitable location to mount the display unit. The unit should be located in a position where the display can be easily read while driving, but not in a location where it obscures driver view. Within a compartment in the console (right), or on top of the dash are all suitable locations.

Once a location has been identified consider where the power cables will be run. It may be necessary to slightly move the mounting location or find a new location so that the power cables can be hidden or at least run where they cannot be interfered with, or be accide ntally pulled by the driv er or any of the passengers.

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3.1.2 +12V power source determination

At this stage you now need to determine if you intend to hard wire the 12V power (recommended), or use the 12V Cigarette lighter adaptor. If you are going to use the Cigarette lighter go to Step 3.1.2.1 if you are going to hard wire the 12V supply, go to Step 3.1.2.2

3.1.2.1 Cigarette lighter power option:

With the ignition turned off, plug the cigarette adaptor cable into the power cable connector running to the display. Locate the display module in the approximate location you intend to mount it (but do not mount it as yet). Run the power cable from the display unit to the cigarette lighter outlet so that it is supported by the surrounding trims or console and if possible hidden out of sight. If possible run the cable behind or under the dash, so as to hide it wherever possible. Plug in the cigarette lighter connector to the cigarette lighter output and ensure the cable is long enough and not stretched at any point. Now proceed to Step 3.1.3

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3.1.2.2 Hard wired power option:

Locate the closest and most convenient location where you can tap into the +12V supply. Remember the supply must be permanently on even when the ignition is turned off. Normally the vehicles stereo system uses such a supply for the clock function. Next disconnect the veh icle’s primary lead acid battery by removing the negative (Black) terminal from the battery.

NOTE! Many modern vehicles have stereo systems equipped with an anti theft security feature. This feature requires a security code to be entered into the stereo system before it can be powered up once the 12V supply is removed. If you have such a system, ensure you have access to this security code.

Locate the display module in the approximate location you intend to mount it (but do not mount it as yet). Next plug the hard wired power connector cable into the socket of the power cable for the display u nit and run the cable neatly, and if possible out of view, to the location where you have identified as the most convenient location to tap into the +12V supply. Join the red wire (+) you have just run to the 12v source. Then join the black (-) wire to any ground connection point. The wires can be joined using any conventional technique such as “wire joining crimp connectors” or by cutting, stripping and soldering the wires together. On completion ensure the wires are not exposed or shorting. If they are exposed, use isolation tape to cover the joint. Finally use the cable ties supplied to hold the cable firmly in place. Ensure the cable is well supported and does not hang in any area where it can be pulled on, or caught onto anything. Now go to Step 3.1.3

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

3.1.3 RF Antenna

The Antenna is used to receive the RF signal from the four individual sensors/transmitter modules fitted to each wheel rim. The TPMS-4WD-V2 is equipped with two long coaxial wire antennas hard wired into the display module. These antennas need to be positioned so that a reliable level of signal reception is obtained.

3.1.3.1 Wire Antenna

Run the two wire antennas in opposite directions across the dash (or preferably hidden under the dash) and around the vehicle. Where ever possible hide the wires behind trimming. Try to ensure the last 100mm end of the wire antennas are left “Free standing” and away from other wires and metal objects. This is the primary point where the RF signal is picked up. In absolute extreme situations the wire antennas can be run through the fire wall, into the engine compartment, and then run down to the bottom of the chassis where the reception ends of the wire antenna will be located close and in direct “line of site” to the RF transmitters mounted within the rims.

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3.1.4 Fixing display module into place

Fix the display module into place using the double sided adhesive supplied. Ensure both surfaces are clean and if necessary clean with methy l ated spirits.

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Document 913-9001 Rev G 11/July/2012

3.1.5 Reconnect vehicle battery

The vehicle battery can now be reconnected. The display module will power up once the rear On/Off switch is switched to ON. As the display module powers up, the unit will beep and all of the displays will read “000” as the sensors are yet to be fitted to the wheels.

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3.2 Installing Sensor/Transmitter modules

The sensor/transmitters need to be installed to each of the 4 wheels. The modules include a new tyre valve, meaning that the existing tyre valve needs to be removed and discarded. In order for the sensors to be installed the wheels need to be removed from the vehicle and the tyres then removed from the rims.

(NOTE: With some tyre/rim combinations, it is possible to fit the sensor by breaking the tyre bead and pressing the tyre wall away from the location of the valve hole on the rim, in order to create working clearance suitable to install the sensor module. This method reduced the time required, as the tyre does not have to be completely removed from the rim. Care must be taken to ensure the tyre wall does not unexpectedly spring back into place and cause human injury. )

3.2.1 Identify the ID-Keys.

Each sensor is labelled with a letter “A”, “B”, “C” or “D” on its valve stem. The letters correlate to the same letters on the identifier buttons plugged into the side or the display module.

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By default the Left Side front tyre is allocated Sensor “A”. The Right Front is sensor “B”. The Left Back is sensor “C” and the Right Ba ck is sensor “D”. These positions relate to the representation of the wheel on the LCD display. The ID-Keys can be unplugged from the display module and relocated as required. In order to unplug the ID-Keys the “release” button must first be de-pressed. This then allows the ID-Key to be unplugged. It is recommended that the sensors be fitted in the default order to avoid the ID-Keys requiring rotation during this initial installation.

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

Once the ID codes for the sensor/transmitters have been identified they can be fitted to the rims.

3.2.2 Sensor Disassembly

Remove the Valve Cap and the Retaining Nut from the valve stem. The Retaining Nut has a plastic washer pressed into its seat.

3.2.3 Loosen Electronic module

Loosen the self-locking screw to allow the Electronics module to be adjusted to fit the rim. Clean the rim around the valve hole both on the inside and out. Insert the valve stem through the valve hole, from the inside of the rim.

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

3.2.4 Fix Sensor

The valve stem fixing nut incorporates a self retained plastic washer. Fit the nut to the valve stem and tighten only by hand, ensuring the washer is in place on the nut.

3.2.5 Adjust head angle

Now adjust the angle of the electronics module so it sits as close as possible to the rim surface, preferably hard against it, then tighten the Self locking screw to lock the electronics module into that position.

3.2.6 Torque valve stem

Tighten the valve stem NUT (6) with 3.5 to 4.6Nm (2.6 – 3.4 foot pounds) of torque.

(Note: Correct torque setting is critical. Under tightening will cause air to leak. Over tightening will cause the “valve stem air seal rubber washer” to fail causing air to leak. The nut can be tightened without the use of a torque wrench. The correct torque is reached when the “valve stem air seal rubber washer” is compressed to 60-70% of its original thickness, and is not seen to be overly bulging).

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3.2.7 Mount tyre

The tyre can now been mounted back onto the rim.

3.2.7.1 Lubricate

Apply lubricant to both the tyre bead and the rim.

3.2.7.2 Position tyre

The lower bead must be mounted with the mounting head of the changer located at 12o’clock while the position of the tyre valve is at 7 o’clock. This is done to ensure the electronic module will not be damaged.

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3.2.7.3 Position upper bead

The upper bead must be mounted with the mounting head of the tyre changer positioned at 12 o’clock and the valve at 5 o’clock

3.2.7.4 Finish fitting tyre

The tyre can now be inflated to the vehicles recommended specified cold tyre pressures and dynamically balanced. Repeat procedure for all other wheels and then refit wheels to vehicle.

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3.3 Setting pressure range

The final step is to set the pressure range for your tyres. On this model the pressure range is set using the “Road” / “Off Road” push button switch at the back of the display module.

Press and hold the switch for aproximatly 6 seconds to toggle betweeon “ONroad” and “OFF-road” modes. The screen will momentarily display the word “on” in the 4 positions to signify ON-road mode. “off” will be momentarily displayed in the 4 positions when in OFF-road mode

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“OFF” road mode selected

“ON” road mode selected

3.4 Checking current pressure range

Momentarily pressing the set button will cause the display to show the current pressure range mode (ON-road or OFF-road) without changing any setting.

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Turning on the Sensor/Transmitters

3.5

The sensor units are shipped in a powered down sleep mode to conserve battery life and ensure maximum battery life once they are put into service.

The sensors are activated from the “power down shipping mode” by pressurising the sensor or driving the vehicle with the sensors installed on the wheels at a speed of 25km/h or more for a few minutes.

As the sensors come on-line the display will change from displaying “000” to displaying the data for that wheel.

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3.6 Checking the system works

The system should now be up and fu lly functional. All four readings on the displays should be showing the correct tyre pressure for all four tyres.

By pressing the “function” button located at the front of the display, the display should first turn on the LCD backlight. A second press will cause the display to toggle from pressure display to temperature.

The LCD backlight will stay on for only a few seconds and then automatically turn off again to preserve power.

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“Function” Button

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4. Tyre Removal

If the rim is already fitted with a sensor/transmitter module, a specific procedure is required to break the b ead and r emove th e old ty re fro m the rim, in order to avoid the sensor/transmitters being damaged.

4.1 Breaking upper and lower bead.

The upper and lower beads must be broken with the bead breaker head located AT LEAST 90deg of arc away from the tyre valve sensor / transmitter module.

This will ensure the sensor/transmitter is not damaged as the bead separates from the rim.

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4.2

Upper and lower bead demount.

With the demounting head located at a 12.00 o’clock position, ensure the tyre valve sensor/transmitter module is located at 11.00 o’clock. This will ensure that the sensor /transmitter will not be damaged by the head. In addition it is important that the sensors be located on the opposite side to where the tyre bead is stretched into the rim cavity

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

5. Operating Procedure

5.1 General

The typical operating mode of the TPMS-4WD-V2 is “set and forget”. The system will monitor the tyres and in the event of a problem, will sound an alert, turn on the LCD backlight and highlight the tyre with the problem.

In the event the TPMS issues an alert, as soon as it safe to do so, the driver should slow down, turn on the hazard lights, pull over to a safe location, and investigate the problem.

During normal operating mode, the driver can at any time read the individual tyre pressures of all 4 tyres. The location of the pr essu re or tempe ratu re read ings on the LCD display relates to the physical location of the tyre.

When going “Off Road”, it is simply a matter of depressing the “set” push button switch on the back of the display and holding down for 6 seconds until you hear a beep, indicating the pressure mode has been ch anged. The tyres can then be deflated to the required pressure determined by the terrain. When going back onto a sealed road the display module can be switched back to “Road” mode and the tyres re-inflated.

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While the vehicle is parked the sensors will measure and transmit the tyre pressure and temperature to the display unit every 4 minutes. The display will always display the most recent reading.

Once the vehicle starts to mov e, the sensors measure the tyre pressure and temperature every 4 seconds and transmit this information every 30 seconds to the display module. In the event the sensor detects a problem, the information is transmitted immediately, which will cause the display module to display the problem and give out an audible alarm.

5.2 Turning on LCD Backlight

The LCD backlight can be turned on manually by pressing the function button on the front of the display panel once.

The LCD will remain backlit for a pre-programmed period of time (around 12 seconds) and then turn off again. The backlight cann ot be manually turned off o r be configu red to permanently remain on, or programmed to st ay on longer.

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“Function” Button

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5.3 Displaying Tyre Temperature

Tyre temperature can be display ed by pressing the function button twice. The first press turns on the backlight the second press causes the display to swap to the temperature display.

Pressing the function button again will cause it to swap back to the pressure display.

5.4

Displaying Sensor Key ID

In addition to the labels “A”, “B”, “C” and “D” each transmitter/sensor has a unique 6 digit identifier. Pressing and holding down the “Function” button on the font of the display module for 8 seconds will cause the display to enter the ID-Key display mode.

Each display will first show the first three digits of the 6 digit ID and then after a few seconds display the last three digits.

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

If the display shows “---” it indicates that the ID-Key is not plugged in correctly for that tyre or the system is faulty.

To turn off the sensor key ID display, hold the “Function” button on the front of the display down for 8 seconds.

5.5

Displaying current pressure range

Momentarily pressing the set button at the back of the display will cause the display to show the current pressure range mode (ON-road or OFFroad) without changing any setting.

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PAGE 17

5.6 Setting Base Pressure

The “Base” pressure (also referred to as BASELINE pressure) is hard programmed into the TPMS-4WD-V2 and cannot be changed. By switching between “ONRoad” and “OFF-Road” modes two different pressure ranges are provided.

Off-Road: 11.6psi to 55psi

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

On-Road: 27.5psi to 55psi

5.7 Rotating tyres

Rotating tyre requires the display to also be updated, so that the tyre readings are displayed in the correct locations on the LCD.

Step 1) Physically rotate the wheels on the vehicle as required.

Step 2) Turn the On/Off switch on the back of the display module to the “OFF” position.

Step 3) Rotate the “ID-Keys” in the same sequence that you rotated the tyres or each wheel and read the letters “A”, “B”, “C” and “ D” on each of the v alve stems and then position the ID buttons in the correct position on the side of the display module.

Step 4) Turn On/Off switch on the back of the display unit to “On”

NOTE: The ID-Keys are locked into position by a retaining mechanism inside the display unit. In order to unplug the ID-Key, the release button must be depressed and held down while the ID-Key is unplugged. There are two release buttons. One for the two left ID-Keys and one on the right for the two right side ID-Keys

go to

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PAGE 18

5.8 Disabling monitoring of specific wheels

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

This model TPMS is designed for use with 4 wheel vehicles but can be adapted for 1, 2, or 3 wheel monitoring.

To do this, the display module has to be turned off and the ID-Keys relating to the sensors not requiring monitoring need to be unplugged from the sides of the display module. Once the display module is switch back on, only the sensors relating to the ID-Keys which are still plugged into the display will be monitored.

If the ID-Keys are left plugged into the display, when not all 4 sensors are active, the display will wait indefinitely for a pressure reading from all 4 sensors before any readings are displayed. In this situation, the display can be forced to display whichever sensor readings it has received, by pressing the “function” button on the front of the display.

If not all 4 sensors are present, and one or more present sensors detect a pressure or temperature problem, the display will alert the driver to the problem and display the readings.

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5.9 Replacing Sensors

If a sensor fails it can be replaced. Replacement sensors are available from Inawise Pty Ltd.

Step 1) Remove the wheel from the vehicle and remove the tyre as described in Section 4 “Tyre Removal”

Step 2) Remove the old sensor from the rim and fit the new sensor as described in Section 3.2 “Installing Sensor/Transmitter modules”

Step 3) Fit the tyre back onto vehicle Step 4) Turn the On/Off switch on the back of the display unit to “Off” Step 5) Replace the old “ID-Key” on the side of the display unit with the new one

supplied with the new sensor/transmitter. Step 6) Turn On/Off switch on the back of the display unit to “On” Step 7) Wait for 5 minutes or drive the vehicle at a speed greater than 25km/h to bring

the new sensor out of the shipping sleep mode.

5.10 Spare Tyres

Most 4WD carry two spare tyres. Regardless of whether your vehicle has one, two or more spare tyres, extra sensor/transmitter modules are available and can be fitted to spare tyres. The base kit (TPMS-4WD-V2) is supplied with 4 sensors; while kit TPMS-4WD-V2-5 has an extra sensor for one spare ty re and kit TPMS-4WD-V2-6 has two extra sensors for two spare tyres. The sensors fitted to the spare tyres are not monitored until the spare is fitted to the vehicle and enabled on the display module.

The sensor/transmitter modules are supplied with linked ID-Key buttons. When one of the spare tyres is fitted to the vehicle, all which is needed is for the existing ID-Key to be unplugged from the display module and the new ID-Key plugged into the display module. (See procedure 5.7 Rotating tyres).

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PAGE 19

6. Displays and Warnings

Warning Threshold Alerts

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

Low Pressure Warning

Below 11.6psi in “Off-Road” mode

Below 27.5psi in “On-Road” mode

High Pressure Warning

Warning Threshold Alerts

1) Audible “beep”

2) Display Backlight turns ON

3) Problem indicator ICON is displayed

4) Border around low reading is

removed

1) Audible “beep”

Above 55psi Pressure in “Road” and “OffRoad” mode

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2) Display Backlight turns ON

3) Problem indicator ICON is displayed

4) Border around low reading is

removed

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

High Temperature Warning

Warning Threshold Alerts

Temperature above 80DegC

Warning Threshold Alerts

1) Audible “beep”

2) Display Backlight turns ON

3) Problem indicator ICON is displayed

4) Border around low reading is

removed

Fast Leak Warning

1) Audible “beep”

Air leak of more then 3.7psi within a 15 second period

2) Display Backlight turns ON

3) Fast LEAKAGE ICON is displayed

4) Border around low reading is

removed

PAGE 21

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

7. Trouble shooting

Problem Possible reasons Solution

Initial setup of systems requires

Drive vehicle at 25km/h or more for 5 minutes

Re-locate dual long wire antenna. Move display away from metal object and/or wires

Flick rear switch to “On” position

Check wiring

"000" shown on the

display

Nothing is shown

on display

sensors to be activated from shipping sleep mode

Poor signal reception

Rear On/Off switch is turned to Off 12V power cable is not properly

connected

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"---" is displayed

even when you

drive faster than

25km/h

Display beeps when actual tyre pressure is OK

Display beeps in the morning during cold weather

Sometimes, but not always, the display shows blank pressure or temperature Data does not refresh

Back light does not turn off

The display continues to show incomprehensible codes

In-Line fuse in blown Replace fuse. ID module is not properly connected

with the display System Lock-up

Receiver or transmitter failure

Baseline pressure not set correctly

Tyres are under inflated Baseline pressure not set correctly

Weak RF signal link or external source jamming RF signal

System Lock-up

Contact your local dealer.

Carry out ID module Check. (Section 5.4)

Switch the rear Power switch to "OFF" then "ON".

Check the “Road” / “Off Road switch on the back of the display module.

Re-inflate tyre to correct pressure

Set Baseline pressure as per section 5.5

Re-locate dual long wire antenna, if necessary through firewall and under vehicle

Switch the rear Power switch to "OFF" then "ON".

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PAGE 22

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

8. Questions and answers

1. How reliable is the Inawise TPMS?

The product is manufactured under stringent TS16949 quality system guidelines. The product won the Gold award from “ Nation Intellec tual Property Rights Bureau” (china) and passed inspections from the “National Passenger Car Quality Supervision and Inspection Centre”

The product also meets international FCC standard from the USA and e-mark/CE from Europe.

2. Will it affect the performance of my car?

No. The Inawise sensor/trans mitter modules weigh less than 50grams. It is one of the lightest aftermarket sensor/transmitter modules available. The display is design ed to consume low-powe r. Only if the vehicle is not used for periods exceeding one month, should you turn the display off via the On/Off switch located at the back of the display module.

3. Can I use TPMS with my Nitrogen inflated tyres? Absolutely Yes! Nitrogen will make the pressure inside the tyre more stable and reduce tyre aging. It is possible to compare the differe nt characteristics between air and nitro gen with the Inawise TPMS. For high performance applications , Nitrogen filled tyres with a TPMS fitted is the ultimate setup.

4. Can I use Tyre sealant with TPMS?

Generally, NO you can’t. However as TPMS becomes more mainstream, there are some new sealant compounds coming onto the market which are designed to work with TPMS sensors. Read the manual for the tyre sealant carefully to confirm compatibility.

5. Will Inawise TPMS operate well in extremely cold or hot conditions?

The sensor’s operating temperature range is between -40 degC to +125 degC, while the display can operate between -20 DegC to +70 DegC. Even in Australia, these temperatures are unlikely to be exceeded, however just to be safe, avoid exposing the display module to extreme temperature during extremely hot days.

6. Is the Inawise TPMS compatible with the other electronic products? Yes. It has been approved by the FCC and e- mark, CE certificate. It won’t interfere with ot he r electronic products in the vehicle.

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PAGE 23

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

7. Can the Inawise TPMS prevent tyre blowouts?

Blowouts are most commonly caused by driving long distances on “over stressed” tyres. Over stress can be caused by overloading, excessive speed, or under inflated tyres. Excessive continuous distortion of the tyre’s sidewalls will cause temperature build-up. This temperature build-up can then cause catastrophic tyre failure known as a “Blowout”. Since the Inawise TPMS can alert the driver to not only low tyre pressure which is the primary cause of blowouts, but also to excessive heat which can be caused by overloading or excessive speed for long periods of time, the Inawise TPMS can significantly reduce the possibility of blowouts occurring by alerting the driver to these dangerous parameters.

8. How can I get after sales service?

The product has a 1 year warranty (refer to warranty section) and lifetime service. We recommend you contact your dealer first, otherwise contact us through our website at www.inawise.com

9. When driving, the tyre pressure and temperature seem to be constantly changing

from one moment to the next. Is there a problem with the system?

No, the readings are the actual t y re pressures at that instant. Normally, the tyres on the drive axel will operate at a high temperature. While driving, the climate, load , brak ing and the roa d cond ition are the main factor s that affect the tyre pressure and temperature, so the figures will be constantly changing as these conditions change. This is why we say that our TPMS will provide readings in real time.

10. Can I cancel the warning alert and then pull over to check the tyre problem?

No, the alerts will not stop until the tyre pressures and temperatures are corrected. We recommend that once you hear the alert beeps, slow down and turn your

hazard lights on. Pull over to the ro ad side and work out what the problem may be. In the event a problem cannot be detected and it is determined that the TPMS is

giving a faulty reading (which is very unlikely) the display unit can be turned off using the rear on/off switch.

11. How long will the batteries in the transmitters last and can they be recharged? The batteries are designed to last for 5-10 years depending on usage. This is sufficient to outlast the tyre s and in some cases the vehicle itself. The batteries are not rechargeable, because they need to be encapsulated and environmentally sealed along with the electronic module. (Water resistance is a standard OE requirement from GM/FORD/CHRYSLER)

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PAGE 24

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

12. Can I re-install the Inawise TPMS on a new vehicle after it has been removed from

another vehicle?

Of course you can. But we suggest you replace the valve core/cap/sealing grommet whenever you replace the tyres or move the sensors on to another rim. These are available as a service kit.

13. Can this model be use it on Heavy duty trucks or busses?

No. We have other models for Heavy duty truck and coach busses.

14. How often does the TPMS check my tyre pressure & temperatures?

When vehicle speed exceeds 25~30km/h, the system samples the tyre pressure & temperature every 4 seconds and refreshes the display within 20seconds. If a problem is found the display is updated immediate ly, with further updates every 4 seconds. When the car is stopped or travelling at low speed, the system samples data at longer intervals in order to extend the sensor/transmitter battery life.

15. How long does it take to install the complete Inawise TPMS?

Approximately 45 minutes to 1 hour depending on the skill of the operator.

A tyre shop can complete the installation according to this “users and installation” guide. We recommend you go to a tyre shop as they have all the tools to quickly remove the tyres from the rims and fit the sensor/transmitters.

16. Is it necessary to buy any specified TPMS tool to carry out tyre rotation or

maintaining?

No, no special tools are required. All that is required is for the corres ponding ID-Key module to be repositioned on the display module after the tyre is relocated.

Engineers from Siemens VDO ha ve pra i se d our patented ID-Key Module technology, claiming it as the best solution to the tyre rotation issues they have seen.

17. When a transmitter fails, what can I do?

You can buy a new transmitter with its matched ID-Key module to replace the faulty one. You just need to install the new sensor to the rim and then plug the new ID -Key module in the side of the display. Simple!

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PAGE 25

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

18. Why is the pressure reading from the Inawise TPMS always different to a reading

I get with an external tyre pressure gauge?

Every measuring instrument has a defined tolerance. This tolerance defines the accuracy of the instrument. In the case of tyre pressure measurement, if the instrument has a tolerance of +/-1.5psi it means that a reading of 10psi translates to a true pressure of anything between 8.5psi to 11.5psi. So if you take two different gauges both with a tolerance of +/-1.5psi, one could read 8.5psi and the other one 11.5psi. Even though there is a difference of 3psi between the two re adings, both gauges are working correctly and to within specifications.

1) A high quality precision tyre pressure gauge will have an accuracy of +/-0.75psi

2) A good quality calibrated digital inflation gauge will have an accuracy of around +/-1.5psi

The sensors used by Inawise are manufactured by GE (General Electric) and are considered high accuracy, with a tolerance of +/-0.75psi. It is most likely that the reading given by the Inawise TPMS will be more accurate than any other reading you take.

19. Can I change the pressure and temperature unit?

No. The units are pre-set and are model specific. This model can only display units in PSI and DegC.

20. Can the Inawise TPMS be used for racing and motor sport applications?

Yes. The units can be used for racing however the over temperature warning will sound when the tyre (or the air inside the tyre) reaches 80degC. Normally even under racing conditions tyre s do n ot r un this h ot, maki ng th e un it a gr ea t tunin g a nd performance tool for motor racing. Heavy braking may cause the heat from the brakes to transfer over to the tyres causing the temperature to rise and exceed 80deg, however a high temp erature warning may be a benefit even in this situation. The sensors are only 35g so they will not affect tyre balance and are also designed for there ruggedness, so they will not have trouble with the high speed or the vibration.

Note: The beeper within the display can be easily heard in any passenger vehicle however it will not be audible in a race vehicle or wh en a crash helmet is worn.

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PAGE 26

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

9. Warranty and Support

The warranty covers substantial manufacturer’s defects in workmanship and materials. It does not cover any un it that is damaged due to abnormal usage, was not properly installed, was subject to chemical contact, or any other acts not sanctioned by this manual.

The terms and conditions of this warranty are governed by the trade practices act of Victoria 1974 and any statutory amendments or re-enactments there after.

This warranty will be subject to the laws of the state of Victoria, Australia and that of no other state or country. This warranty will be governed by and construed according to these laws and whose courts shall have jurisdiction over any disputes arising here on.

All components are covered for 12 month and unlimited mileage from the date of purchase.

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The warranty is provided by the manufacturer “Shanghai Baolong Industries Corporation (China) through Inawise Pty Ltd (Australia).

The warranty is limited to the parts only and does not cover any labour or material whatsoever including but not limited to labour, transport, personal injury, loss of productivity etc.

The warranty does not include any fu rther obligation by the reseller, Inawise Pty Ltd or Shanghai Baolong Industries Corporation whatsoever other than to repair or replace the defective item.

All other warranties, expressed or implied, are disclaimed. All collateral agreements which purpose to modify this limited warranty are null and void. The absolute limit of liability is the purchase price of the unit.

The dealer, Inawise Pty Ltd or Shanghai Bao lon g Ind ustries Cor poration are no t liable for any direct, consequential, indirect or punitive damages what so ever.

The Inawise TPMS is a driving aid on ly a nd sho uld o nly be used as such. The Inawise TPMS does not substitute for proper vehicle maintenance and servicing which includes regular inspection of wheels and tyres.

Warranty is based on a return to manufacturer basis. Any and all costs for freight are not covered by this warranty.

For service and support contact your local distributor or contact Inawise Pty Ltd directly:

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WEB: www.inawise.com

Email: iTeam@inawise.com

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PAGE 27

10. Technical Specification

Display Unit

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TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

-St^te of the ^rt technology utilizing GE tr^nsducer /processor core.

-Weight: 35g (1.25oz)

-Dimensions: 21.5mm x 31.8mm x 68mm (not including v^lve stem)

-Oper^ting Temper^ture: -40DegC to +125DegC

-Oper^ting Frequency: 433.93Mhz

-Pressure @ccur^cy of +/- 0.75PSI

-Temper^ture @ccur^cy of +/- 2.0DegC

-Integr^ted Lithium B^ttery: 7 ye^r b^ttery life (Typic^l dependent on us^ge)

-Rugged design, silicon enc^psul^ted technology protecting electronics from vibr^tion, shock ^nd moisture.

-Integr^ted temper^ture compens^tion for high ^ccur^cy me^surements ^nd compens^tion for tyre pressure drop due to low tyre temper^ture.

-Everything in one Integr^ted unit, including tyre v^lve stem ^nd tyre v^lve. No ^ddition^l mounting h^rdw^re required

-@djust^ble pivot he^d to ^llow for different rim profiles

-Low weight ^luminium v^lve stem body with propriet^ry surf^ce tre^tment to prevent oxidis^tion ^nd corrosion.

-Comp^tible with ^ir ^nd nitrogen g^s

-Only comp^tible with Tubeless tyres

-Rim v^lve hole di^meter: 11.3mm

- Sensor/Tr^nsmitter uniquely keyed to ID-Key module.

-Comp^tibility: Tubeless tyres only

-Monitor ^nd displ^y re^dings for ^ll 4 tyres simult^neously

-Front p^nel “Function” button

-Power Consumption: 12m@ Typic^l (20m@ M^x)

-Supply Volt^ge: 12VDC

-Weight 75g (2.65oz)

-Dimensions: 52.0mm x 75.59mm x 38.56mm

-Oper^ting Temper^ture: -20degC to +70DegC

-Pressure Resolution: 0.1 PSI

-Temper^ture Resolution: 1.0 DegC

-Displ^y Units: tyre pressure (PSI) ^nd tyre temper^ture (DegC)

-LCD displ^y with ^uto off white b^cklight control

-Tyre f^ult indic^tor

-Driver @lert on Low Pressure, High Pressure, High Temper^ture, F^st Le^k Detection

-@udio ^nd visu^l driver ^lert prompts

-RF sign^l reception ^d^pt^ble to ^ll vehicle types. Kit supplied with Stub ^ntenn^ ^nd ^ltern^te co^xi^l wire ^ntenn^

-Re^r On/Off Switch

-Re^r “Ro^d” / “Off Ro^d” pressure r^nge switch

-“Off-Ro^d” mode low pressure ^lert threshold: 11.6psi

-“On-Ro^d” mode low pressure ^lert threshold: 27.5psi

-High pressure ^lert threshold: 55psi

-High temper^ture ^lert threshold: 80DegC

-Intern^tion^lly p^tented ID-Key module technology en^bles tyres to be e^sily rot^ted ^nd/or repl^ced.

-CE / FCC / E-M^rk st^nd^rds certific^tion.

Sensor/transmitter module

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PAGE 28

TPMS-4WD-V2 User and installation guide

Document 913-9001 Rev G 11/July/2012

11. Safety Warning

This product is designed to monitor vehicle tyre pressures and temperatures, it is not designed to provide warnings of sudden cata strophic tyre failure (blowouts) caused by external influences. The driver should always react promptly to warnings. The driver should not TPMS system has not reported any problems, that no problems with the tyres or the vehicle exist. This product is a proactive safety system. It cannot eliminate accidents caused by tyre failure, but it does give alert to drivers about abnormal and poss i bly dangerous tyre conditions. Whenever the system alerts to a problem, pull the vehicle over as soon as it is safe to do so and ascertain the cause of the alert. Depending on the type of tyres fitted to your vehicle, in many cases, low tyre pressure cannot be determined by simply visually inspecting the tyre. If the system alerts to a low tyre pressure, in all probability, it is because the tyre pressure is dangerously low even though the tyre may look fine. Tyres can fail for other reasons besides low pressure, overheating or overloading. Always be on the alert for other tyre related problems indicated by un usual noises, vibrations, uneven tread wear, or bulges on the tyre! If any of these signs are detected, have the tyres checked immediately by a professional!

assume that because the

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12. Replacing valve caps

The sensor/transmitter modules are supplied with “plastic” valve caps. The valve caps create an important barrier in stopping mois ture and dirt from entering the valve step body and fouling the air valve. The plastic caps have been selected to eliminate the possibility of corrosion due to electrolysis between the aluminium body of the valve stem and the valve cap itself. If rep lacing the valve cap with an after market metallic one, try to ensure the valve cap is also made from aluminium. If the valve cap is made from any other metal the possiblity of corrosion through electrolysis will exist. In such cases, examine the valve cap and stem at regular intervals and if the slightest degree of corrosion is observed, spray the valve stem with a corrosio n inhibitor such as “RP7” or “WD40” and replace the valve cap with a plastic one.

13. FCC compliance

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

14. Disclaimer

While every attempt has been made to ensure all information in this manual is accurate, ‘Inawise Pty Ltd’ or any of its associated companies or subsidiaries will not be held liable in any way what so ever for any errors or omissions which may be present in this document. Inawise Pty Ltd follows a policy of continuous improvem ent. Specifications may change at any time without notice. Purchase and use of this product is subject to “In aw i se” Terms a nd Con dit io ns of Sale. This product is to be used only for the purpos e described in this manual.

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PAGE 29

Inawise TPMS-4WD series User And Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual