Keyless Entry System Symptom Diagnosis (If Equipped)
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Confirm that power door lock system is in good condition before referring to the following possible causes.
- Check each part in the order from the top of the following list.
KEYLESS ENTRY SYSTEM SYMPTOM DIAGNOSIS
| Condition | Possible Cause | Action |
|---|---|---|
| All door can not be locked/unlocked by only keyless entry transmitter | Transmitter battery dead | Replace battery referring to REPLACEMENT OF TRANSMITTER BATTERY (OTHER THAN KEYLESS START MODEL) . |
| Door switch faulty | Check door switch referring to DOOR SWITCH (FRONT/REAR DOOR) INSPECTION and/or REAR END DOOR SWITCH INSPECTION (HATCHBACK) . | |
| Key reminder switch in ignition switch faulty | Check ignition switch referring to IGNITION SWITCH INSPECTION . | |
| Wiring or grounding faulty | Repair circuit . | |
| Keyless entry receiver faulty | Check keyless entry receiver referring to KEYLESS ENTRY RECEIVER AND ITS CIRCUIT INSPECTION (IF EQUIPPED) . | |
| Transmitter faulty | Replace transmitter . | |
| BCM faulty | Replace after making sure that none of above parts is faulty . | |
| Interior light does not light when doors are unlocked by keyless entry transmitter | Wiring or grounding faulty | Repair circuit . |
| BCM faulty | Replace after making sure that none of above parts is faulty . | |
| Hazard warning lights do not light when doors are locked/unlocked by keyless entry transmitter | Turn signal and hazard warning relay faulty | Check turn signal and hazard warning relay referring to TURN SIGNAL AND HAZARD WARNING RELAY INSPECTION . |
| Wiring or grounding faulty | Repair circuit . | |
| BCM faulty | Replace after making sure that none of above parts is faulty . | |
| Transmitter code can not be programmed to BCM | Door switch faulty | Check door switch referring to DOOR SWITCH (FRONT/REAR DOOR) INSPECTION and/or REAR END DOOR SWITCH INSPECTION (HATCHBACK) . |
| Keyless entry receiver faulty | Check keyless entry receiver referring to KEYLESS ENTRY RECEIVER AND ITS CIRCUIT INSPECTION (IF EQUIPPED) . | |
| Key reminder switch in ignition switch faulty | Check ignition switch referring to IGNITION SWITCH INSPECTION . | |
| Wiring or grounding faulty | Repair circuit . | |
| BCM faulty | Replace after making sure that none of above parts is faulty . |