No.1 EXTERIOR LIGHT DOES NOT TURN ON/STAYS ON[TNS/LICENSE PLATE LIGHT]
id0903g2816100
POSSIBLE CAUSE
Diagnostic Procedure
STEP |
INSPECTION |
ACTION |
|
---|---|---|---|
1
|
INSPECT TNS RELAY OPERATION
Turn the light switch to the TNS position.
Do the rear lights turn on?
|
Yes
|
Go to the next step.
|
No
|
Go to Step 3.
|
||
2
|
INSPECT RELATED WIRING HARNESS FOR SHORT TO POWER SUPPLY
Disconnect the CJB connector.
Measure the voltage at CJB J-03 terminal J and CJB J-01 terminal D.
Is the voltage more than 10 V?
|
Yes
|
Repair the related wiring harness.
|
No
|
Replace the CJB.
|
||
3
|
INSPECT TNS RELAY
Inspect the TNS relay. (See RELAY INSPECTION.)
Is the TNS relay normal?
|
Yes
|
Go to the next step.
|
No
|
Replace the TNS relay.
|
||
4
|
INSPECT CJB FOR OPEN CIRCUIT
Remove the TNS relay.
Disconnect the CJB connector.
Measure the resistance between TNS relay terminal C and CJB J-05 terminal D.
Is the resistance less than 5 ohms?
|
Yes
|
Go to the next step.
|
No
|
Replace the CJB.
|
||
5
|
INSPECT RELATED WIRING HARNESS FOR OPEN CIRCUIT
Disconnect the GEM connector.
Measure the resistance between CJB J-05 terminal D and GEM terminal 1N.
Is the resistance less than 5 ohms?
|
Yes
|
Go to the next step.
|
No
|
Repair the related wiring harness.
|
||
6
|
INSPECT RELATED WIRING HARNESS FOR OPEN CIRCUIT
Disconnect the light switch connector.
Measure the resistance between GEM terminal 1G and light switch terminal N.
Is the resistance less than 5 ohms?
|
Yes
|
Go to the next step.
|
No
|
Repair the related wiring harness.
|
||
7
|
INSPECT HEADLIGHT RELAY
Inspect the headlight relay. (See RELAY INSPECTION.)
Is the headlight relay switch normal?
|
Yes
|
Go to the next step.
|
No
|
Replace the headlight relay.
|
||
8
|
INSPECT GEM OPERATION
Disconnect all the GEM connectors.
Inspect for the following items:
• Corrosion
• Terminal separation
Connect all the connectors and verify that their positions are correct.
Operate the system and inspect for any malfunction.
Is there any malfunction?
|
Yes
|
Replace the GEM.
Clear the DTC.
Perform the DTC inspection for the GEM.
|
No
|
The malfunction may result from loose connectors or corrosion.
Clear the DTC.
Perform the DTC inspection.
|
||
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