DTC B1506

id0902j0831600

DTC B1506

Light turn signal right circuit short to ground

DETECTION CONDITION

Short to GND in wiring harness between PJB and turn switch (RH)

POSSIBLE CAUSE

• Short to GND in wiring harness between PJB terminal J-04 K and light switch terminal G
• Light switch malfunction
• PJB malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT LIGHT SWITCH CONNECTOR
• Disconnect the light switch connector.
• Inspect the light switch connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 5.
No
Go to the next step.
2
INSPECT PJB CONNECTOR
• Disconnect the PJB connector.
• Inspect the PJB connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 5.
No
Go to the next step.
3
INSPECT LIGHT SWITCH SIGNAL CIRCUIT FOR SHORT TO GND
• Inspect for continuity between following terminals:
- PJB terminal J-04 K (wiring harness-side) - body GND
• Is there continuity?
Yes
Repair or replace the wiring harness for a possible short to GND, then go to Step 5.
No
Go to the next step.
4
INSPECT LIGHT SWITCH
• Inspect the light switch.
• Is there any malfunction?
Yes
Replace the light switch, then go to the next step.
No
Go to the next step.
5
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PJB memory using the WDS or equivalent.
• Perform the self-test.
(See PJB SELF-TEST.)
• Is the same DTC present?
Yes
Replace the PJB.
No
DTC troubleshooting completed.