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hyundai :: Hyundai Accent GL L4-1.6L (2001)
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> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Horn Relay > Component Information > Locations
M16-Head Lamp Relay, M17-EBd Relay, M19 Burglar alarm relay, M21-Flasher Unit, M22-Power Window Relay, M23-ABS Relay
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> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations
M70-1,M70-2 - ETACM
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> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations > Page 10
Alarm Module: Testing and Inspection
ELECTRONIC TIME & ALARM CONTROL MODULE
Check that the following components operate normally as per the timing chart.
1. Variable Intermittent Wiper
0.3 sec
0.6 - 0.7 sec.
1. T1: MAX.2. T2: (Time of wiper motor 1 rotation)3. T3: (at VR = ) (at VR = )1.5 0.5 sec. 0 ohm 11 1 sec. 500 kohm
2. Wiper Motor Related to Washer
0.6 - 0.7 sec
2.5 - 3.8 sec
0.2 - 0.6 sec
0.6 - 0.1 sec
1. T1: .2. T2: .3. T3: . (Mist function)4. T4: .5. This function should operate preferentially even though the variable intermittent wiper is operating.
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> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations > Page 11
Accent GL L4-1.6L (2001)
3. Rear Defogger Timer
1. T1: 20 3 min
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4. Seat Belt Warning
6 1 sec
0.45 0.1 sec
1. T1: .2. T2 : .3. T3: .0.3 0.1 sec
5. Key Operated Warning (Chime bell does not operate in EC region)
1. T1, T2: .0.45 0.1 sec
6. Central Door Lock/Unlock
1. T1: .0.5 0.1 sec
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7. Ignition key Reminder
0.5 sec
1 sec
1. T1: .2. T2: .3. T3: .0.5 sec
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> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations > Page 12
Alarm Module: Service and Repair
ELECTRONIC TIME & ALARM CONTROL MODULE
REMOVAL AND INSTALLATION
1. Disconnect the negative battery terminal.2. Remove the driver side lower crashpad.
3. After removal of the ETACM (Electronic Time and Alarm Control Module) mounting bolts (2EA), disconnect its connector.4. Installation is the reverse of removal.
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> Relays and Modules > Relays and Modules - Brakes and Traction Control > ABS Main Relay > Component Information > Locations > Component Locations
M16-Head Lamp Relay, M17-EBd Relay, M19 Burglar alarm relay, M21-Flasher Unit, M22-Power Window Relay, M23-ABS Relay
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> Relays and Modules > Relays and Modules - Brakes and Traction Control > ABS Main Relay > Component Information > Locations > Component Locations > Page 18
M16-Head Lamp Relay, M17-EBd Relay, M19 Burglar alarm relay, M21-Flasher Unit, M22-Power Window Relay, M23-ABS Relay
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> Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake Control Module > Component Information > Specifications > Electrical Specifications
Electronic Brake Control Module: Electrical Specifications
ECU Operating Voltage Standard Value 10 - 16 V
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> Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake Control Module > Component Information > Specifications > Electrical Specifications > Page 23
Electronic Brake Control Module: Pressure, Vacuum and Temperature Specifications
ECU Operating Temp -40 deg - 110 deg C
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> Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake Control Module > Component Information > Specifications > Page 24
E47-ABS Control Module
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> Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake Control Module > Component Information > Specifications > Page 25
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> Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake Control Module > Component Information > Specifications > Page 26
Electronic Brake Control Module: Service and Repair
REMOVAL
1. Disconnect the brake tubes from the HECU.2. Remove the HECU bracket mounting bolt and remove the HECU.
CAUTION:
1. Never attempt to disassemble the HECU.2. The HECU must be transported and stored in an upright position and with the ports sealed. The HECU must not be drained.
3. Disconnect the HECU (Hydraulic and Electronic Control Unit) and motor connector.
INSTALLATION
1. Installation is the reverse of removal.2. Tighten the modulator mounting bolts and brake tube nuts to the specified torque.
Tightening toqueHECU mounting bolt: Brake tube nut: 8 - 10 Nm (80 - 100 kg cm, 5.6 - 6.9 ft. lbs.) 13 - 17 Nm (130 - 170 kg cm, 9 - 12 ft. lbs.)
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> Relays and Modules > Relays and Modules - Cooling System > Radiator Cooling Fan Motor Relay > Component Information > Locations
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> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Locations
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> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Locations > Page 35
Blower Motor Relay: Testing and Inspection
BLOWER FAN RELAY
1. Remove the battery ground cable.2. Remove the rheostat switch with coin box from the crash pad.3. Remove the relay and check for continuity between the terminal.
If continuity is not as specified, replace the relay.
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations
Compressor Clutch Relay: Locations
Engine Compartment Relay And Fuse Box Layout
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations > Page 39
Accent GL L4-1.6L (2001)
elay, E23 Blower Relay, E24 Condenser Fan Relay.2, E25 Front Fog Lamp Relay, E26 Radiator Fan Relay, E27 Start Relay, E28 A/C Relay, E29
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Location Of MFI Components Part 1
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Accent GL L4-1.6L (2001)
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Location Of MFI Components Part 2
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15. Air Conditioning Relay
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions
Compressor Clutch Relay: Diagram Information and Instructions
Connector Configurations
Connector Configurations
This section shows the cavity or terminal locations in all the multi-pin connectors shown in the schematic diagrams. It will help you to locate checkpoints, together with the wire colors and terminal numbers in the schematic. The configuration drawings show the connector view as seen from acomponent after the harness connector has been disconnected. When more than one connector is connected to a component, the connectors are all showntogether. Both halves of in-line connectors are shown together.
Connector Identification
A connector identification symbol consists of a wiring harness location classification symbol corresponding to a wiring harness location and numbercorresponding to the connector. These connector locations can be found in the HARNESS LAYOUTS.
For example
Connectors which connect each wiring harness are represented by the following symbols.NOTE:
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions > Page 43
Accent GL L4-1.6L (2001)
For example
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Connector View
Numbering Order
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Accent GL L4-1.6L (2001)
Harness Classification
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Harness Layouts
Schematic Diagrams
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions > Page 45
Accent GL L4-1.6L (2001)
Page 44
The starting point of each system is the schematic diagram. These diagrams show how all the components work together, such as electrical current pathsfrom power source to ground (via electrical load), switch connections at each position, and other related circuit functions.
It is important to fully understand how a circuit works prior to troubleshooting and diagnosis.
Splice Identification
A splice identification symbol consists of a wiring harness location classification symbol corresponding to each wiring harness location and numbercorresponding to the splice. These splice locations can be found in the HARNESS LAYOUTS.
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions > Page 46
Accent GL L4-1.6L (2001)
For example
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Part 1
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions > Page 47
Accent GL L4-1.6L (2001)
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions > Page 48
Accent GL L4-1.6L (2001)
Part 2
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Symbols (Part 3 Of 3)
Wire Color Abbreviations
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions > Page 49
Compressor Clutch Relay: Diagnostic Aids
Checking Cables and Wires
1. Check the terminal for tightness.2. Check terminals and wires for corrosion from battery electrolyte, etc.3. Check terminals and wires for open circuits.4. Check wire insulation and coating for damage, cracks and degrading.5. Check the conductive parts of terminals for contact with other metallic parts (vehicle body and other parts).6. Check grounded parts to verify that there is complete continuity between their attaching bolt(s) and the vehicle's body.7. Check for incorrect wiring.
8. Check that the wiring is so clamped to prevent contact with sharp corners of the vehicle body, etc. or hot parts (exhaust manifold, etc.)9. Check that the wiring is clamped firmly to provide enough clearance from the fan pulley, fan belt and other rotating or moving parts.
10. Check that the wiring has a little space so that it can vibrate between fixed and moving parts such as the vehicle body and the engine.
Checking Fuses
A blade type fuse has test taps provided to allow checking the fuse itself without removing it from the fuse block. The fuse is good if the test lamp lightsup when one lead is connected to the test taps (one at a time) and the other lead is grounded. (Turn the ignition switch so that the fuse circuit becomesoperative.)
Five Step Troubleshooting Procedure
The following five-step troubleshooting procedure is recommended.
1. Verify the customer's complaints
Turn on all the components in the problem circuit to check the accuracy of the customer's complaints. Note the symptoms. Do not begindisassembly or testing until you have narrowed down the probable causes.
2. Read and analyze the schematic diagram
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions > Page 50
Accent GL L4-1.6L (2001)
Locate the schematic for the problem circuit. Determine how the circuit is supposed to work by tracing the current paths from the power sourcethrough the system components to ground. If you do not understand how the circuit should work, read the circuit operation text. Also check othercircuits that share with the problem circuit. The name of circuits that share the same fuse, ground, or switch, for example, are referred to on eachdiagram. Try to operate any shared circuits you did not check in step 1. If the shared circuit works, the shared wiring is okay, and the cause mustbe within the wiring used only by the problem circuit. If several circuits fail at the same time, the fuse or ground is a likely cause.
3. Inspect the circuit/component with the problem isolated
Make a circuit test to check the diagnosis you made in step 2. Remember that a logical, simple procedure is the key to efficient troubleshooting.Narrow down the probable causes using the troubleshooting hints and system diagnosis charts. Test for the most likely cause of failure first. Try tomake tests at points that are easily accessible.
4. Repair the problem
Once the problem is found, make the necessary repairs.
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5. Make sure the circuit works
Repeat the system check to be sure you have repaired the problem. If the problem was a blown fuse, be sure to test all of the circuits on that fuse.
Voltmeter and Test Lamp
VOLTMETER AND TEST LAMP
12-volt
Use a test lamp or a voltmeter on circuits without solid- state units and use a test lamp to check for voltage. A test lamp is made up of a light bulbwith a pair of leads attached. After grounding one lead, touch the other lead to various points along the circuit where voltage should be present. When thebulb goes on, there is voltage at the point being tested.
CAUTION:
10-megaohm
A number of circuits include solid-state modules, such as the Engine Control Module (ECM), used with computer command controlinjection. Voltage in these circuits should be tested only with a or higher impedance digital voltmeter. Never use a lest lamp on circuitsthat contain solid-state modules. Damage to the modules may result.
A voltmeter can be used in place of a test lamp. While a test lamp shows whether the voltage is present or not, a voltmeter indicates how much voltage ispresent.
Self-Powered Test Lamp and Ohmmeter
SELF-POWERED TEST LAMP AND OHMMETER
Use a self-powered test lamp or an ohmmeter to check for continuity. A self-powered test lamp is made of a bulb, battery and two leads. That will light alamp when touched together. Prior to checking the points, first disconnect the battery ground cable or remove the fuse which feeds the circuit you areworking on.
Never use a self-powered test lamp on circuits that contain solid state modules. Damage to these modules may result.CAUTION:
An ohmmeter can be used in place of a self-powered test lamp. The ohmmeter shows how much resistance there is between two points along a circuit.Low resistance means good continuity.
10-megaohm
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> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Diagrams > Diagram Information and Instructions > Page 51
Accent GL L4-1.6L (2001)
Circuits which include any solid-state devices should be tested only with a or higher impedance digital multimeter. When measuringresistance with a digital multimeter, the battery negative terminal should be disconnected. Otherwise, there may incorrect readings. Diodes andsolid-state devices in a be circuit can make an ohmmeter give a false reading. To find out if a component is affecting a measurement, take one reading,reverse the leads and take a second reading. If different the solid-state device is affecting the measurement.
Jumper Wire With Fuse
JUMPER WIRE WITH FUSE
Use a jumper wire with a fuse to by-pass an open circuit.
A jumper wire is made up of an in-line fuse holder connected to a set of test leads. This tool is available with small clamp connectors providing adaptionto most connectors without damage.
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CAUTION:
Do not use a fuse with a higher rating than the specified fuse that protects the circuit being tested. Do not use this tool in any situation tosubstitute an input or output at the solid-state control module, such as ECM, TCM, etc.
Short Finder
SHORT FINDER
A short finder is available to locate a short to ground. The short finder creates a pulsing magnetic field in the shorted circuit and shows you the locationof the short through body trim or sheet metal.
Testing For Voltage
TESTING FOR VOLTAGE
This test measures voltage in a circuit. When testing for voltage at a connector, you do not have to separate the two halves of the connector Instead,probe the connector from the back (backprobe). Always check both sides of the connector because dirt and corrosion between its contact surfaces cancause electrical problems.
1. Connect one lead of a test lamp or voltmeter to a ground. If you are using a voltmeter, be sure it is the voltmeter's negative test lead you have
connected to ground.
2. Connect the other lead of the test lamp or voltmeter to a selected test point (connector or terminal).3. If the test lamp glows, there is voltage present. If you are using a voltmeter, note the voltage reading. Too close a loss of more than from1 volt
specification indicates a problem.
Testing For Continuity
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TESTING FOR CONTINUITY
1. Disconnect the battery negative terminal.2. Connect one lead of a self-powered test lamp or ohmmeter to one end of the part of the circuit you wish to test. If you are using an ohmmeter, hold
the leads together and adjust the ohmmeter to read .zero ohms
3. Connect the other lead to the other end.4. If the self-power test lamp glows, there is continuity. If you are using an ohmmeter, low or zero resistance means good continuity.
Testing For Short to Ground
TESTING FOR SHORT TO GROUND
self-powered test lamp or ohmmeter.
5. When the self-powered test lamp glows, or ohmmeter registers, there is a short to a ground in the wiring near that point.
Testing For A Short With A Short Finder
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Accent GL L4-1.6L (2001)
1. Disconnect the battery negative terminal.2. Connect one lead of a self-powered test lamp or an ohmmeter to the fuse terminal on the load side.3. Connect the other lead to a ground.4. Beginning near the fuse block move the harness from side to side. Continue this procedure (about apart) while watching thesix inches
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TESTING FOR A SHORT WITH A SHORT FINDER
1. Remove the blown fuse. Leave the battery connected.2. Connect the short finder across the fuse terminals.3. Close all switches in series in the circuit that are being testing.4. Turn on the short circuit locator. It sends pulses of current to the short. This creates a pulsing magnetic field around the wiring between the fuse
box and the short.
5. Beginning at the fuse box, slowly move the short finder along the circuit wiring. The meter will show current pulses through sheet metal and body
trim. As long as the meter is between the fuse and the short, the needle will move with each current pulse. Once the meter is moved past the pointof the short, the needle will stop moving. Check around this area to locate the cause of the short circuit.
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Circuit Diagram
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Compressor Clutch Relay: Description and Operation
AIR CONDITIONING SWITCH AND RELAY
ON
ON
The air conditioning switch relays battery voltage to the ECM when the air conditioning is turned on. When the air conditioning signal is input, theECM drives the ISC Actuator and turns the ignition power transistor. Then, the air conditioning power relay coil is energized to turn on the relayswitch, which activates the compressor magnetic clutch.
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Compressor Clutch Relay: Testing and Inspection
AIR CONDITIONING SWITCH AND RELAY
ON
ON
The air conditioning switch relays battery voltage to the ECM when the air conditioning is turned on. When the air conditioning signal is input, theECM drives the ISC Actuator and turns the ignition power transistor. Then, the air conditioning power relay coil is energized to turn on the relayswitch, which activates the compressor magnetic clutch.
Circuit Diagram
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Accent GL L4-1.6L (2001)
Using Hi-Scan
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Harness Inspection
AIR CONDITIONING INSPECTION
Refer to service adjustment procedures.
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> Relays and Modules > Relays and Modules - HVAC > Condenser Fan Motor Relay, HVAC > Component Information > Locations
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> Relays and Modules > Relays and Modules - HVAC > Condenser Fan Motor Relay, HVAC > Component Information > Locations > Page 61
Condenser Fan Motor Relay: Testing and Inspection
CONDENSER FAN RELAY
INSPECTION
1. Remove the battery ground cable.2. Remove the cover of relay box located in engine compartment.3. Remove the relays from relay box.4. Check for continuity or voltage between the terminals.
Condenser Fan-Check For Voltage
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> Relays and Modules > Relays and Modules - HVAC > Control Module HVAC > Component Information > Diagrams > Diagram Information and Instructions
Control Module HVAC: Diagram Information and Instructions
Connector Configurations
Connector Configurations
This section shows the cavity or terminal locations in all the multi-pin connectors shown in the schematic diagrams. It will help you to locate checkpoints, together with the wire colors and terminal numbers in the schematic. The configuration drawings show the connector view as seen from acomponent after the harness connector has been disconnected. When more than one connector is connected to a component, the connectors are all showntogether. Both halves of in-line connectors are shown together.
Connector Identification
A connector identification symbol consists of a wiring harness location classification symbol corresponding to a wiring harness location and numbercorresponding to the connector. These connector locations can be found in the HARNESS LAYOUTS.
For example
Connectors which connect each wiring harness are represented by the following symbols.NOTE:
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> Relays and Modules > Relays and Modules - HVAC > Control Module HVAC > Component Information > Diagrams > Diagram Information and Instructions > Page 66
Accent GL L4-1.6L (2001)
For example
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Connector View
Numbering Order
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Accent GL L4-1.6L (2001)
Harness Classification
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Harness Layouts
Schematic Diagrams
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Accent GL L4-1.6L (2001)
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The starting point of each system is the schematic diagram. These diagrams show how all the components work together, such as electrical current pathsfrom power source to ground (via electrical load), switch connections at each position, and other related circuit functions.
It is important to fully understand how a circuit works prior to troubleshooting and diagnosis.
Splice Identification
A splice identification symbol consists of a wiring harness location classification symbol corresponding to each wiring harness location and numbercorresponding to the splice. These splice locations can be found in the HARNESS LAYOUTS.
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> Relays and Modules > Relays and Modules - HVAC > Control Module HVAC > Component Information > Diagrams > Diagram Information and Instructions > Page 69
Accent GL L4-1.6L (2001)
For example
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Part 1
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Accent GL L4-1.6L (2001)
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Accent GL L4-1.6L (2001)
Part 2
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Symbols (Part 3 Of 3)
Wire Color Abbreviations
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> Relays and Modules > Relays and Modules - HVAC > Control Module HVAC > Component Information > Diagrams > Diagram Information and Instructions > Page 72
Control Module HVAC: Diagnostic Aids
Checking Cables and Wires
1. Check the terminal for tightness.2. Check terminals and wires for corrosion from battery electrolyte, etc.3. Check terminals and wires for open circuits.4. Check wire insulation and coating for damage, cracks and degrading.5. Check the conductive parts of terminals for contact with other metallic parts (vehicle body and other parts).6. Check grounded parts to verify that there is complete continuity between their attaching bolt(s) and the vehicle's body.7. Check for incorrect wiring.
8. Check that the wiring is so clamped to prevent contact with sharp corners of the vehicle body, etc. or hot parts (exhaust manifold, etc.)9. Check that the wiring is clamped firmly to provide enough clearance from the fan pulley, fan belt and other rotating or moving parts.
10. Check that the wiring has a little space so that it can vibrate between fixed and moving parts such as the vehicle body and the engine.
Checking Fuses
A blade type fuse has test taps provided to allow checking the fuse itself without removing it from the fuse block. The fuse is good if the test lamp lightsup when one lead is connected to the test taps (one at a time) and the other lead is grounded. (Turn the ignition switch so that the fuse circuit becomesoperative.)
Five Step Troubleshooting Procedure
The following five-step troubleshooting procedure is recommended.
1. Verify the customer's complaints
Turn on all the components in the problem circuit to check the accuracy of the customer's complaints. Note the symptoms. Do not begindisassembly or testing until you have narrowed down the probable causes.
2. Read and analyze the schematic diagram
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> Relays and Modules > Relays and Modules - HVAC > Control Module HVAC > Component Information > Diagrams > Diagram Information and Instructions > Page 73
Accent GL L4-1.6L (2001)
Locate the schematic for the problem circuit. Determine how the circuit is supposed to work by tracing the current paths from the power sourcethrough the system components to ground. If you do not understand how the circuit should work, read the circuit operation text. Also check othercircuits that share with the problem circuit. The name of circuits that share the same fuse, ground, or switch, for example, are referred to on eachdiagram. Try to operate any shared circuits you did not check in step 1. If the shared circuit works, the shared wiring is okay, and the cause mustbe within the wiring used only by the problem circuit. If several circuits fail at the same time, the fuse or ground is a likely cause.
3. Inspect the circuit/component with the problem isolated
Make a circuit test to check the diagnosis you made in step 2. Remember that a logical, simple procedure is the key to efficient troubleshooting.Narrow down the probable causes using the troubleshooting hints and system diagnosis charts. Test for the most likely cause of failure first. Try tomake tests at points that are easily accessible.
4. Repair the problem
Once the problem is found, make the necessary repairs.
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5. Make sure the circuit works
Repeat the system check to be sure you have repaired the problem. If the problem was a blown fuse, be sure to test all of the circuits on that fuse.
Voltmeter and Test Lamp
VOLTMETER AND TEST LAMP
12-volt
Use a test lamp or a voltmeter on circuits without solid- state units and use a test lamp to check for voltage. A test lamp is made up of a light bulbwith a pair of leads attached. After grounding one lead, touch the other lead to various points along the circuit where voltage should be present. When thebulb goes on, there is voltage at the point being tested.
CAUTION:
10-megaohm
A number of circuits include solid-state modules, such as the Engine Control Module (ECM), used with computer command controlinjection. Voltage in these circuits should be tested only with a or higher impedance digital voltmeter. Never use a lest lamp on circuitsthat contain solid-state modules. Damage to the modules may result.
A voltmeter can be used in place of a test lamp. While a test lamp shows whether the voltage is present or not, a voltmeter indicates how much voltage ispresent.
Self-Powered Test Lamp and Ohmmeter
SELF-POWERED TEST LAMP AND OHMMETER
Use a self-powered test lamp or an ohmmeter to check for continuity. A self-powered test lamp is made of a bulb, battery and two leads. That will light alamp when touched together. Prior to checking the points, first disconnect the battery ground cable or remove the fuse which feeds the circuit you areworking on.
Never use a self-powered test lamp on circuits that contain solid state modules. Damage to these modules may result.CAUTION:
An ohmmeter can be used in place of a self-powered test lamp. The ohmmeter shows how much resistance there is between two points along a circuit.Low resistance means good continuity.
10-megaohm
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> Relays and Modules > Relays and Modules - HVAC > Control Module HVAC > Component Information > Diagrams > Diagram Information and Instructions > Page 74
Accent GL L4-1.6L (2001)
Circuits which include any solid-state devices should be tested only with a or higher impedance digital multimeter. When measuringresistance with a digital multimeter, the battery negative terminal should be disconnected. Otherwise, there may incorrect readings. Diodes andsolid-state devices in a be circuit can make an ohmmeter give a false reading. To find out if a component is affecting a measurement, take one reading,reverse the leads and take a second reading. If different the solid-state device is affecting the measurement.
Jumper Wire With Fuse
JUMPER WIRE WITH FUSE
Use a jumper wire with a fuse to by-pass an open circuit.
A jumper wire is made up of an in-line fuse holder connected to a set of test leads. This tool is available with small clamp connectors providing adaptionto most connectors without damage.
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CAUTION:
Do not use a fuse with a higher rating than the specified fuse that protects the circuit being tested. Do not use this tool in any situation tosubstitute an input or output at the solid-state control module, such as ECM, TCM, etc.
Short Finder
SHORT FINDER
A short finder is available to locate a short to ground. The short finder creates a pulsing magnetic field in the shorted circuit and shows you the locationof the short through body trim or sheet metal.
Testing For Voltage
TESTING FOR VOLTAGE
This test measures voltage in a circuit. When testing for voltage at a connector, you do not have to separate the two halves of the connector Instead,probe the connector from the back (backprobe). Always check both sides of the connector because dirt and corrosion between its contact surfaces cancause electrical problems.
1. Connect one lead of a test lamp or voltmeter to a ground. If you are using a voltmeter, be sure it is the voltmeter's negative test lead you have
connected to ground.
2. Connect the other lead of the test lamp or voltmeter to a selected test point (connector or terminal).3. If the test lamp glows, there is voltage present. If you are using a voltmeter, note the voltage reading. Too close a loss of more than from1 volt
specification indicates a problem.
Testing For Continuity
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TESTING FOR CONTINUITY
1. Disconnect the battery negative terminal.2. Connect one lead of a self-powered test lamp or ohmmeter to one end of the part of the circuit you wish to test. If you are using an ohmmeter, hold
the leads together and adjust the ohmmeter to read .zero ohms
3. Connect the other lead to the other end.4. If the self-power test lamp glows, there is continuity. If you are using an ohmmeter, low or zero resistance means good continuity.
Testing For Short to Ground
TESTING FOR SHORT TO GROUND
self-powered test lamp or ohmmeter.
5. When the self-powered test lamp glows, or ohmmeter registers, there is a short to a ground in the wiring near that point.
Testing For A Short With A Short Finder
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Accent GL L4-1.6L (2001)
1. Disconnect the battery negative terminal.2. Connect one lead of a self-powered test lamp or an ohmmeter to the fuse terminal on the load side.3. Connect the other lead to a ground.4. Beginning near the fuse block move the harness from side to side. Continue this procedure (about apart) while watching thesix inches
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TESTING FOR A SHORT WITH A SHORT FINDER
1. Remove the blown fuse. Leave the battery connected.2. Connect the short finder across the fuse terminals.3. Close all switches in series in the circuit that are being testing.4. Turn on the short circuit locator. It sends pulses of current to the short. This creates a pulsing magnetic field around the wiring between the fuse
box and the short.
5. Beginning at the fuse box, slowly move the short finder along the circuit wiring. The meter will show current pulses through sheet metal and body
trim. As long as the meter is between the fuse and the short, the needle will move with each current pulse. Once the meter is moved past the pointof the short, the needle will stop moving. Check around this area to locate the cause of the short circuit.
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Control Module HVAC: Electrical Diagrams
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Image SD-144 - Blower And A/C Controls (1)
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