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1
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INSPECT KEYLESS RECEIVER CONNECTOR AND TERMINALS
• Turn the ignition switch off.
• Disconnect the negative battery cable.
• Disconnect the keyless receiver connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 9.
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No
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Go to the next step.
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2
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INSPECT KEYLESS CONTROL MODULE CONNECTOR AND TERMINALS
• Disconnect the keyless control module connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 9.
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No
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Go to the next step.
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3
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INSPECT INSTRUMENT CLUSTER CONNECTOR AND TERMINALS
• Disconnect the instrument cluster connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 9.
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No
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Go to the next step.
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4
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INSPECT WHEEL UNIT SIGNAL CIRCUIT FOR SHORT TO GROUND
• Keyless receiver, keyless control module and instrument cluster connectors are disconnected.
• Inspect for continuity between the following terminal (wiring harness-side) and body ground:
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― Keyless control module terminal 3R
― Keyless control module terminal 3S
― Keyless control module terminal 3U
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to ground, then go to Step 9.
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No
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Go to the next step.
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5
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INSPECT WHEEL UNIT SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
• Keyless receiver, keyless control module and instrument cluster connectors are disconnected.
• Reconnect the negative battery cable.
• Turn the ignition switch to the ON position.
• Measure the voltage at the following terminal (wiring harness-side):
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― Keyless control module terminal 3R
― Keyless control module terminal 3S
― Keyless control module terminal 3U
• Is there any voltage?
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Yes
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Repair or replace the wiring harness for a possible short to power supply, then go to Step 9.
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No
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Go to the next step.
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6
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INSPECT WHEEL UNIT SIGNAL CIRCUIT FOR OPEN CIRCUIT
• Keyless receiver, keyless control module and instrument cluster connectors are disconnected.
• Turn the ignition switch to off position.
• Disconnect the negative battery cable.
• Inspect for continuity between the following terminals (wiring harness-side):
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― Keyless control module terminal 3R—Instrument cluster terminal 2V
― Keyless control module terminal 3S—Keyless receiver terminal A
― Keyless control module terminal 3U—Keyless receiver terminal C
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to Step 9.
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7
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INSPECT KEYLESS RECEIVER
• Reconnect the keyless receiver, keyless control module and instrument cluster connectors.
• Inspect the keyless receiver.
• Is there any malfunction?
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Yes
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Replace the keyless receiver, then go to Step 9.
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No
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Go to the next step.
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8
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INSPECT KEYLESS CONTROL MODULE
• Inspect the keyless control module.
• Is there any malfunction?
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Yes
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Replace the keyless control module, then go to the next step.
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No
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Go to the next step.
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9
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Perform the Clearing DTCs Procedure.
• Turn the ignition switch to the ON position and wait for 30 s or more.
• Perform the Reading DTCs Procedure.
• Is the same DTC present?
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Yes
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Repeat the inspection from Step 1.
If the malfunction recurs:
• Replace the instrument cluster, then go to the next step.
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No
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Go to the next step.
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10
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VERIFY AFTER REPAIR PROCEDURE
• Drive the vehicle at a speed of 25 km/h {15.5 mph} or more for 10 min or more.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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