SECURITY LIGHT: 14, WDS OR EQUIVALENT: B1602

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Detection Condition

• The PCM cannot read key ID number data normally.

Possible Cause

• Transponder (key) malfunction

• Coil malfunction

• PCM malfunction

• Communication error

- If any of the following items are touching or near the key head, the ignition key cannot communicate with the vehicle properly and the engine cannot be started.
• Any metallic object
• Spare keys or ones for other vehicles equipped with an immobilizer system
• Any electronic device, or credit or other cards with magnetic strips

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY WHETHER KEY IS VALID OR NOT
• Using another programmed key, turn the ignition switch to the ON position.
• If there is no other programmed key, program an additional key using the WDS or equivalent and turn the ignition key to the ON position using the programmed key.
• Is the DTC displayed again?
- Security light: 14
- WDS or equivalent: B1602
Yes
Replace the coil antenna, then go to the next step.
No
• Dispose of the malfunctioning key.
• Program a new key if necessary.
2
Inspect the PCM.
• Using another programmed key, turn the ignition switch to the ON position.
• Is the DTC displayed again?
- Security light: 14
- WDS or equivalent: B1602
Yes
Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM.
No
DTC inspection completed.