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DTC 3

BME090267000205

DTC 3 | ID number is not input into immobilizer unit after cranking engine.
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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
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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. (See Key Replacement or Addition.)
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.