Power Door Lock System Symptom Diagnosis
POWER DOOR LOCK SYSTEM SYMPTOM DIAGNOSIS CHART
| Condition | Possible Cause | Action |
|---|---|---|
| Only one door cannot be locked/unlocked | Faulty system circuit (including relays and fuses) | - |
| Faulty door lock assembly (including door lock open rod and door lock wires) | Replace door lock open rod and door lock wires , see FRONT DOOR LOCK ASSEMBLY REMOVAL AND INSTALLATION . | |
| Damaged and deformed inside door handle | Replace inside door handle , see FRONT DOOR LOCK ASSEMBLY REMOVAL AND INSTALLATION . | |
| All doors cannot be locked/unlocked | Faulty BCM | Refer to INSPECTION OF BCM AND ITS CIRCUITS . |
| Faulty keyless push start control module | Refer to INSPECTION OF KEYLESS START CONTROL MODULE AND ITS CIRCUITS . | |
| Faulty system circuit (including relays and fuses) | - | |
| Faulty power door lock switch | Refer to FRONT AND REAR DOOR SWITCH INSPECTION . | |
| Faulty key cylinder | Check key cylinder , see DOOR LOCK SWITCH AND MOTOR ON-VEHICLE INSPECTION . | |
| Door cannot be locked / unlocked by remote controller | Faulty keyless push start system remote controller | Replace battery , see REPLACEMENT OF REMOTE CONTROLLER BATTERY . |
| Faulty registration of remote controller to keyless start | Refer to INSPECTION OF KEYLESS START CONTROL MODULE AND ITS CIRCUITS | |
| Faulty BCM | Refer to INSPECTION OF BCM AND ITS CIRCUITS . | |
| Faulty system circuit (including relays and fuses) | - | |
| Faulty request switch | Refer to FRONT AND REAR DOOR SWITCH INSPECTION . | |
| Faulty keyless push start control module | Refer to INSPECTION OF KEYLESS START CONTROL MODULE AND ITS CIRCUITS . | |
| Faulty keyless entry/TPMS receiver | Replace keyless/TPMS entry receiver, see KEYLESS ENTRY/TPMS RECEIVER INSPECTION . | |
| Faulty answer-back function of interior light | Faulty interior light switch | Check interior light switch is in DOOR position
. Check interior light switch. Check if valve is not blown. |
| Faulty BCM | Refer to INSPECTION OF BCM AND ITS CIRCUITS . | |
| Faulty system circuit (including relays and fuses) | - | |
| Faulty answer-back function of hazard light | Faulty BCM | Check if answer-back function of hazard light is in no-flashing mode. Refer to INSPECTION OF BCM AND ITS CIRCUITS . |
| Faulty system circuit (including relays and fuses) | - |