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 SECURITY LIGHT: DTC 11 (WDS OR EQUIVALENT: DTC -/B1681)

SECURITY LIGHT: DTC 11 (WDS OR EQUIVALENT: DTC -/B1681)

id0902i8914200

DTC 11

(-/B1681)

Communication error between the keyless control module and the PCM.

POSSIBLE CAUSE

• Defective keyless control module
• Defective PCM
• Defective wiring harness

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT COMMUNICATION CIRCUIT FOR CONTINUITY
• Disconnect keyless control module and PCM connectors.
• Is there continuity between the following terminals?
L8, LF, L3 Engine
- 3A-1E
- 3C-1F
MZR-CD (RF Turbo) Engine
- 3A-89
- 3C-112
Yes
Replace keyless control module, then go to the next step.
No
Repair the wiring harness between the keyless control module and PCM, then go to the next step.
2
INSPECT KEYLESS CONTROL MODULE
• Turn the ignition switch to the ON position.
• Is the DTC displayed?
- Security light: 11
- WDS or equivalent: -/B1681
Yes
Replace PCM and reprogram immobilizer system.
No
DTC troubleshooting completed.