Problem Symptoms Table
POWER DOOR LOCK CONTROL SYSTEM
SYMPTOM REFERENCE CHART
| Symptom | Suspected Area | See |
|---|---|---|
| All doors cannot be locked/unlocked simultaneously (door control switch) | 1. Power source circuit (Body ECU) | POWER SOURCE CIRCUIT |
| 2. Door lock control switch circuit (Master switch) | DOOR LOCK CONTROL SWITCH CIRCUIT | |
| 3. Body ECU | - | |
| All doors cannot be locked/unlocked simultaneously (driver door key cylinder) | 1. Power source circuit (Body ECU) | POWER SOURCE CIRCUIT |
| 2. Door lock control switch circuit (Master switch) | DOOR LOCK CONTROL SWITCH CIRCUIT | |
| 3. Door key lock and unlock switch circuit (Driver side) | DOOR KEY LOCK / UNLOCK SWITCH CIRCUIT | |
| 4. Body ECU | - | |
| Driver side door lock does not operate | 1. Power source circuit (Body ECU) | POWER SOURCE CIRCUIT |
| 2. Door lock motor circuit (Driver side) | DRIVER SIDE DOOR LOCK MOTOR CIRCUIT | |
| 3. Door key lock and unlock switch circuit (Driver side) | DOOR KEY LOCK / UNLOCK SWITCH CIRCUIT | |
| 4. Body ECU | - | |
| Passenger side door lock does not operate | 1. Power source circuit (Body ECU) | POWER SOURCE CIRCUIT |
| 2. Door lock motor circuit (Passenger side) | FRONT PASSENGER SIDE DOOR LOCK MOTOR CIRCUIT | |
| 3. Body ECU | - | |
| Rear LH side door lock does not operate | 1. Power source circuit (Body ECU) | POWER SOURCE CIRCUIT |
| 2. Door lock motor circuit (Rear LH side) | REAR DOOR LOCK MOTOR LH CIRCUIT | |
| 3. Body ECU | - | |
| Rear RH side door lock does not operate | 1. Power source circuit (Body ECU) | POWER SOURCE CIRCUIT |
| 2. Door lock motor circuit (Rear RH side) | REAR DOOR LOCK MOTOR RH CIRCUIT | |
| 3. Body ECU | - | |
| Key lock-in prevention function does not work properly (manual operation and key-linked lock are active) | 1. Door courtesy light switch assembly (Driver side) | DRIVER SIDE DOOR COURTESY SWITCH CIRCUIT |
| 2. Door key lock and unlock switch circuit (Driver side) | DOOR KEY LOCK / UNLOCK SWITCH CIRCUIT | |
| 3. Body ECU | - | |
| On or more doors cannot be lock/unlock simultaneously (Smart key operation) | 1. Troubleshooting | PROBLEM SYMPTOMS TABLE |
| 2. Door unlock detection switch circuit (Driver side) | DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 3. Door unlock detection switch circuit (Front passenger side) | FRONT PASSENGER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 4. Door unlock detection switch circuit (Rear door LH) | REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT | |
| 5. Door unlock detection switch circuit (Rear door RH) | REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT | |
| 6. Body ECU | - | |
| On or more doors cannot be lock/unlock simultaneously (Wireless key operation) | 1. Troubleshooting | PROBLEM SYMPTOMS TABLE |
| 2. Door unlock detection switch circuit (Driver side) | DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 3. Door unlock detection switch circuit (Front passenger side) | FRONT PASSENGER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 4. Door unlock detection switch circuit (Rear door LH) | REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT | |
| 5. Door unlock detection switch circuit (Rear door RH) | REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT | |
| 6. Body ECU | - | |
| On or more doors cannot be lock/unlock simultaneously (Theft deterrent operation) | 1. Troubleshooting | HOW TO PROCEED WITH TROUBLESHOOTING |
| 2. Door unlock detection switch circuit (Driver side) | DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 3. Door unlock detection switch circuit (Front passenger side) | FRONT PASSENGER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 4. Door unlock detection switch circuit (Rear door LH) | REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT | |
| 5. Door unlock detection switch circuit (Rear door RH) | REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT | |
| 6. Body ECU | - |