DTC 3


BME090267000205

DTC 3

ID number is not input into immobilizer unit after cranking engine.

POSSIBLE CAUSE

• No transponder in the key
• Defective transponder in the key (ID number is not output.)
• Defective coil at steering lock
• Defective wiring harness between coil and immobilizer unit

Diagnostic procedure

STEP

INSPECTION

ACTION

1
• Does security light indicate DTC 11?
Yes
Go to DTC 11.
No
Go to next step.
2
• Does security light indicate DTC 30?
Yes
Go to DTC 30.
No
Go to next step.
3
INSPECT FOR OTHER PROPER KEYS
• Does engine start with other proper keys?
Yes
Dispose of defective key.
Duplicate key if necessary.
No
Go to next step.
4
INSPECT COIL CIRCUIT FOR SHORT TO GND OR COIL CIRCUIT FOR CONTINUITY
• Disconnect the coil connector.
• Inspect for short circuits between coil
connector terminals A and C and ground, and also between coil connector terminals A and C.
• Is there a short?
Yes
Repair the wiring harness connected to terminals A and/or C.
No
Troubleshooting is completed.