Tuson TPMS User Manual
Tuson TPMS Retrofit Kit User Manual
Contents
For TPMS4W & TPMS6W Models
1. Warning .............................................................................................................................................. 3
2. Product Parts List & Description ......................................................................................................... 5
3. Product Specifications ...................................................................................................................... 10
4. TPMS Sensor Installation ................................................................................................................. 12
5. TPMS Repeater Installation ............................................................................................................. 19
6. TPMS Receiver Installation .............................................................................................................. 23
7. Driving Mode Menu .......................................................................................................................... 27
8. Settings Mode Menu: ....................................................................................................................... 39
9. Alarm Warning and Display Symbols ............................................................................................... 59
10. Troubleshooting ................................................................................................................................ 62
11. Customer Service ............................................................................................................................. 64
12. Notes ................................................................................................................................................ 65
13. Limited Warranty .............................................................................................................................. 68
1. Warning
1.1 Federal Communication Commission Interference Statement:
This equipment has been tested and found 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. However, there is no guarantee that interference will not occur. If this equipment
does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate this equipment.
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.
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1.2 Product Warning:
1.2.1 Do not adjust the TPMS receiver while driving. The company is exempt from all consequences
because of driver’s careless and improper operation.
1.2.2 The system uses wireless RF transmission signals. In some special circumstances, interference or
erroneous methods of operation or installation may cause weaker signal or its inability to receive
signals. If the insulation adhesive sticker of the windshield contains metal material, it may affect
signal reception. If the tire pressure and temperature readings on the TPMS receiver are displayed
as “---”, this indicates that the receiver is not receiving the signals emitted by the sensors. Drive the
vehicle away from the current location (where there may be some signal interference) or drive the
vehicle to a tire shop to check.
1.2.3 If the battery status of the TPMS sensors inside the tire is low, “---” will be shown on the receiver
display (if abnormal conditions continue to occur, the TPMS sensors will continuously emit signals
to warn the driver, resulting in shorter sensor battery life). Please go as soon as possible to a
service station to confirm whether the TPMS Sensors need to be replaced.
1.2.4 Temporary resealing or re-inflation products containing internal sealants or propellants in any tire
assembly may adversely affect the operation of the sensor/transmitter. The product manufacturer
does not assume any liability as to the customer’s use of internal sealants or propellants with the
tire sensors used with this TPMS.
1.2.5 Do not leave the sensors in contact with chemicals, it may cause the sensors to fail.
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Part No.
TPMS4W
TPMS6W
Sensor 4 6
Interchangeable Valve
Stem (0.625” / 0.453”)
4
6
TPMS Receiver (Monitor)
1
1
Repeater 1 1
1.2.6 The TPMS needs to be installed by qualified technicians in accordance with the installation manual
for the TPMS warranty to be valid. If the TPMS sensor is improperly installed or disassembled
causing damage to the sensors, the warranty will not cover this type of damage.
2. Product Parts List & Description
Accessories in the box:
• Cigarette Lighter Cable (Vin=12~24V) x 1
• Suction Cup Holder x 1
• Wheel Orientation Mark Sticker Sheet x 1
• Cable Tie x 5
• User Manual x 1
• Registration Card x 1
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2.2 Sensor Description
The Tuson TPMS Retrofit Kit sensors are automotive-grade sensors
designed to monitor tire pressure and temperature consistently and
wirelessly transmit data to the receiver. Each sensor has a unique ID# to
identify the sensor to the receiver. These are internal sensors that are
securely mounted to the valve stem or using a band and bracket kit (not
included) inside the tire to prevent damage and/or theft. Internal sensors
provide more accurate pressure and temperature readings than external
sensors. The sensors are motion-activated and will go into sleep mode
when the wheels stop moving to preserve sensor battery life. Sensors
may take a few minutes to wake-up. Once the wheel speed is over 12
mph/20 kph, then the sensor will wake-up and will continue transmitting
messages to the receiver every minute while moving. As a general
reference, the sensor battery life is about 5 years when driven 4 hours
per day. See section “4. TPMS Sensors Installation” on how to install
the sensors.
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2.3 Interchangeable Valve Stem (IVS) Description
The Tuson TPMS’ tire sensors use a metal interchangeable valve
stem (IVS) that is designed to fit through either 0.453" or 0.625"
diameter wheel valve holes for your convenience. The IVS is
compatible with both steel and aluminum wheels. The valve stem
and nut portion of the IVS are made of brass and the washer is
made of nickel-plated steel. A polybag containing the IVS comes
pre-assembled with the 0.625” diameter rubber grommet; metal
washer; 0.625” diameter nut and valve cap on the valve stem. A
0.453” diameter rubber grommet and nut are also included in the
polybag for each IVS. The IVS should be installed in the wheel
using a single rubber grommet only. WARNING! – Do not use
both sizes of the included grommets to install the valve stem. See
Section “4. TPMS Sensors Installation” on how to install the
sensors.
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2.4 Repeater Description
The Tuson TPMS Retrofit Kit includes a repeater. The
repeater features power (red) and ground (black) wires
to connect to the trailer battery or any power source
that provides a constant 12/24V power. The repeater
is designed to boost the signal strength from the tire
sensors to the receiver (monitor) in the tow vehicle.
The repeater is waterproof and can be exposed to the
outside elements without being damaged. On trailers
greater than 20 feet long, the repeater must be
installed to provide the receiver enough signal strength
from the sensors. For small trailers, the receiver may
pick up the sensors without the repeater installed
however, we highly recommend you install the
repeater. In addition to boosting signal strength, the
repeater is also designed to transmit the trailer battery
voltage to the receiver. The repeater does not need to
be disconnected from the power source, because it is
motion activated and will go into sleep mode when the trailer is not moving. Therefore, the repeater may
take a few minutes while driving to wake-up and start transmitting messages to the receiver. See section
“5. TPMS Repeater Installation” on how to install the repeater.
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2.5 Receiver Description
The receiver (monitor) allows the driver to
monitor the tire pressure and temperature of up
to 10-wheels for up to 3-vehicle memory
selections. The receiver will also monitor trailer
battery voltage when the repeater is connected
to a trailer battery. A 12~24V cigarette lighter
cable is included to power the receiver in the
tow vehicle. The Tuson Display Power Cable
(sold separately) can also be used to power the
receiver with a 9V battery to make the “Tire
Sensor ID Pairing” in section 9.5 easier. The
receiver has two menus: Driving Mode and
Setting Mode. When in Driving Mode, the
receiver will automatically cycle between pressure, temperature, and trailer battery for that selected vehicle
memory. When in Settings Mode, you can select the vehicle memory to customize and monitor when in
Driving Mode. When monitoring more than 6-wheels on a vehicle memory, the Driving Mode will display
the pressure and then temperature for the first 6-wheels and then the pressure and temperature for the
additional wheels in the next screen before moving to the trailer battery voltage screen. Alerts on the
receiver will continue to appear until the issue with the sensor or repeater has been addressed/cleared.
See section “6. TPMS Receiver Installation” on how to install the receiver and button functions.
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ITEM
SPECIFICATION
Operating Voltage
3V DC
Operating Frequency
433 MHz
Operating Temperature
-22°F~257°F (-30°C~125°C)
Storage Temperature
-40°F~257°F (-40°C~125°C)
Tire Pressure Monitoring Range
0~203 ±1.5 psi (0~1400 ±10 kPa)
Tire Temperature Monitoring Range
-40°F~257°F±5.4°F (-40°C~125°C±3℃)
Weight
30 g (1 Oz)
ITEM
SPECIFICATION
Operating Voltage
12~24V DC
Operating Current
11.2 mA
Operating Frequency
433 MHz
Operating Temperature
-4°F~185°F (-20°C~85°C)
3. Product Specifications
Vehicle Types for TPMS use (Maximum 10-wheels):
Tuson TPMS is designed for all types of RV, commercial and livestock trailers. Great for commercial and
passenger vehicles as well!
3.1 Sensor Specifications
3.2 Repeater Specifications
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Storage Temperature
-40°F~185°F (-40°C~85°C)
Cable Length
90 inches (2300 mm)
Size
3.5”x3.8”x0.9” (88 x 96 x 23 mm)
Weight
6 Oz (170 g)
ITEM
SPECIFICATION
Operating Voltage
12~24V DC
Operating Current
120 mA
Operating Frequency
433 MHz
Operating Temperature
-4°F~185°F (-20°C~85°C)
Storage Temperature
-40°F~185°F (-40°C~85°C)
Monitored Pressure Range
0~203 ±1.5 psi (0~1400 ±10 kPa)
Monitored Temperature Range
-40oF~257oF ±5.4oF (-40oC~125oC ±3oC)
Size
4.5”x2.1”x1” (116.5 x 53 x 25 mm)
Weight
3.4 Oz (95 g)
3.3 Receiver Specifications
Note: When using kPa as the unit of air pressure, the monitor will display “Hi” if the air pressure is over
999kPa. The actual air pressure values will be displayed numerically when the unit of measure selected is
in psi or Bar.
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Figure 4.1 Wheel
4. TPMS Sensor Installation
<IMPORTANT 1>
Each sensor has a unique Sensor ID# to identify the sensor to the receiver. The
sensors included in the kit are already paired to the receiver from the factory for
ease of installation and have a designated wheel orientation mark (□
the sensor (see Figure 4.1). The wheel orientation mark on each kit sensor
corresponds to a tire location on the vehicle and/or trailer. It is important to install
the kit sensors to the corresponding wheels on the vehicle and/or trailer (see
Table 4.1 for reference). If the sensors are installed in the correct corresponding
wheel locations in Table 4.1 for up to six (6) sensors, then you can skip Setting
“8.5 Tire Sensor ID Pairing to the Receiver” from Section “8. Settings Mode
Menu” (Note: If installing additional sensors not included in the kit, the “8.5 Tire
Sensor ID Pairing to Receiver” must be performed for the additional sensors only.)
Orientation Mark
1,□2
,…□6) on
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Vehicle Tire Location
Sensor Wheel Orientation Mark Numbers for CAR 1*
1-2
1-4
1-6
1-8
1-10
Table 4.1 Sensor Wheel Orientation Mark Numbers and Vehicle Tire Location for CAR 1*
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For Other Custom Vehicle Configurations, please see note below:
Note: For initial installation, the sensor orientation mark should be installed in the following order:
*Wheel orientation marks used per vehicle selection: CAR 1 ~ 1-10, CAR 2 ~ 11-20, CAR 3 ~ 21-30
1. Sensors on the LEFT side are ODD numbered
2. Sensors on the RIGHT side are EVEN numbered
3. Each vehicle side will have sensors increase in odd or even consecutive order from front to back
4. For vehicles with dually axles, the outside tires should have the lower numbered marking and
the inside tires should have the higher numbered marking.
<IMPORTANT 2>
The sensors’ ID# and wheel orientation mark included in the kit are listed in Section “12.3 Sensor ID#s
List for Each Vehicle Memory Selection” of each user manual. BEFORE installing additional sensors
not included in the kit, it is highly recommended that the sensor ID#s be recorded in Section 12.3 next to
the corresponding wheel orientation mark for easy identification when pairing.
The Interchangeable Valve Stem (IVS) Service Kit
The Tuson TPMS tire sensors use a metal interchangeable valve stem (IVS) that fits through 0.453" and
0.625" diameter wheel valve holes. (Note: If neither grommet size fits the wheel valve hole, a TPMS band
and cradle kit can be purchased separately without replacing the existing valve stem.)
Please circle the grommet size that was used for your tire application for easy identification and
replacement: 0.453” or 0.625”.
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<IMPORTANT 3>
Each IVS service kit comes with two (2) rubber grommet sizes: one (1) fits 0.453” diameter wheel valve
holes and one (1) fits 0.625” diameter wheel valve holes. The IVS should be installed using a single
grommet only. WARNING! – Do NOT use both sizes of the included rubber grommets to install a single
valve stem. Please check and make sure that the correct grommet size is used for the valve stem and fits
the wheel’s valve hole diameter prior to TPMS sensor installation.
The IVS service kit comes
pre-assembled with the
0.625” diameter rubber
grommet; metal washer;
0.625” diameter nut and valve
cap on the valve stem and
includes a separate 0.453”
diameter grommet and nut in
the polybag.
Please use the preassembled 0.625” diameter
grommet on the valve stem if
the wheel valve hole is 0.625”
diameter.
When the valve hole of the wheel is
0.453” diameter, disassemble the
pre-assembled IVS valve stem.
Remove the 0.625” diameter rubber
grommet, metal washer, nut from
the valve stem. Assemble the
0.453” diameter grommet, nut and
cap in order.
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4.1 TPMS Sensor Installation:
(Fig 1) & (Fig 2) Deflate and remove the tire from the wheel using a tire mounting machine.
(Fig 3) Assemble the sensor to the metal valve stem using the mounting screw (make sure to use the
correct grommet size is on the metal valve stem), then remove the cap, 0.625" washer and nut (OR 0.453"
nut) from the metal valve stem.
(Fig 4) Insert the metal valve stem through the wheel’s valve hole, making sure to properly seat the rubber
grommet in the valve hole. Then place the back of the sensor body to face the inner surface of the rim, so
that the sensor is parallel to the rim.
(Fig 5) Holding the sensor in place, guide the washer (for 0.625" ONLY) onto the metal valve stem on the
outside of the valve hole. Then secure the 0.625" OR 0.453" nut on the metal valve stem and torque to
2.95 Ft-lbs (4 N-m). Once secured, affix the cap to the metal valve stem.
(Fig 6) Secure the sensor to the metal valve stem and torque the screw to 1.48 Ft-lbs (2N-m).
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Now remount the tire back onto the wheel, being careful not to damage the tire pressure sensor during
mounting of the tire. Each TPMS retrofit kit comes with a wheel orientation mark sticker sheet to easily
identify wheel location on the receiver display and for which vehicle selection.
To apply the sticker to the wheel, clean the surface of the wheel
near the valve stem with isopropyl alcohol and allow to dry
completely. Do not use brake cleaner or other harsh chemical
solvents to prepare the wheel surface for sticker application.
Make sure the wheel surface is clean and dry then adhere the
corresponding wheel ID sticker to the clean surface near the valve
stem. This will help remind technicians to install the wheel back
to the correct location according to your defined wheel position.
Lastly, balance the wheel as you would normally, adding weights
if necessary, to achieve rotational balance.
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<IMPORTANT 4>
When removing the tire from the wheel rim to install our Tuson TPMS Retrofit Kit, be aware that if the valve
stem is secured by a nut, there might be a sensor already installed, be careful not to damage the sensor
during the tire removal process.
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5. TPMS Repeater Installation
5.1 Repeater Image
5.2 Installation Steps
The repeater is designed to boost the sensors’ RF signals to the receiver in the tow vehicle. The mounting
location of the repeater will depend on the type of trailer (bumper pull trailer, 5
the TPMS will be installed on. Select a horizontal surface location to mount the repeater on the front section
of the trailer, keeping in mind that the cable ends of the power cord will need to connect to the trailer battery.
For optimal signal performance, the key is to have the least obstructed transmission path between the
sensors, repeater and receiver. Ideally, to get the best RF transmission between repeater and tire pressure
sensors, the repeater should be in an open space with no barriers between the tire pressure sensors and
the receiver. Do NOT locate the repeater in an enclosed metal space that will block the RF signals.
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th
wheel or gooseneck trailer)
The repeater is waterproof and can be exposed to the outside elements without being damaged. To review
the repeater specification, please refer to the Section 3.2.
<IMPORTANT 5>
When mounting the repeater, the power cord side of the repeater must be facing the tow vehicle and the
arrow on the “Trailer Side↑” sticker must be pointing toward the trailer wheels in order to work properly as
shown in FIGURE 5.2
Figure 5.2 Repeater Mounting Direction
5.2.1 For travel, cargo or equipment trailers with a bumper pull A-frame hitch, see Figure 5.2.1
locations “A” and “B” for recommend repeater mounting locations. Location “A” is on an exposed
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frame member on the underside of the trailer and location “B” is on the A-frame of the bumper pull
trailer.
Figure 5.2.1 Repeater Mounting Locations Bumper Pull Trailer
For 5th Wheels and gooseneck trailers select a location for the repeater near the house battery
5.2.2
but NOT inside a metal enclosure. See Figure 5.2.2 locations “A” and “B” for recommend repeater
mounting locations. Location “A” is on an exposed frame member on the underside of the trailer
and location “B” is inside the storage compartment of your fifth wheel or gooseneck trailer.
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