Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
POWER DOOR LOCK CONTROL SYSTEM
| Symptom | Suspected Area | Refer to |
|---|---|---|
| All doors cannot be locked/unlocked simultaneously by either door control switch or door key cylinder | Power source circuit (Main body ECU) | Refer to TERMINALS OF ECU |
| Main body ECU | Refer to TERMINALS OF ECU | |
| All doors cannot be locked/unlocked simultaneously by driver side door control switch | Door control switch circuit (Driver side) | Refer to DESCRIPTION |
| Main body ECU | Refer to TERMINALS OF ECU | |
| All doors cannot be locked/unlocked simultaneously by front passenger side door control switch | Door control switch circuit (front passenger side) | Refer to DESCRIPTION |
| Main body ECU | Refer to TERMINALS OF ECU | |
| All doors cannot be locked/unlocked simultaneously by door key cylinder | Driver side door key lock and unlock switch circuit | Refer to DESCRIPTION |
| Main body ECU | Refer to TERMINALS OF ECU | |
| Driver side door lock does not operate | Driver side door lock motor circuit | Refer to DESCRIPTION |
| Main body ECU | Refer to TERMINALS OF ECU | |
| Passenger side door lock does not operat | Front passenger side door lock motor circuit | Refer to Front Passenger Side Door Lock Motor Circuit |
| Main body ECU | Refer to TERMINALS OF ECU | |
| Rear LH side door lock does not operate | Rear door lock motor circuit | Refer to Rear Door Lock Motor Circuit |
| Main body ECU | Refer to TERMINALS OF ECU | |
| Rear RH side door lock does not operate | Rear door lock motor circuit | Refer to Rear Door Lock Motor Circuit |
| Main body ECU | Refer to TERMINALS OF ECU | |
| Back door lock does not operate | Back door lock motor circuit | Refer to Back Door Lock Motor Circuit |
| Main body ECU | Refer to TERMINALS OF ECU | |
| Key lock-in prevention function does not work properly (manual operation and key-linked lock are active) | Door courtesy light switch circuit (Driver side) | Refer to Door Courtesy Switch Circuit |
| Unlock warning switch circuit | Refer to Key Reminder Buzzer does not Sound | |
| Main body ECU | Refer to TERMINALS OF ECU | |
| One or more doors cannot be locked/unlocked simultaneously | Driver side door unlock detection switch circuit | Refer to DESCRIPTION |
| Front passenger side door unlock detection switch circuit | Refer to DESCRIPTION | |
| Main body ECU | Refer to TERMINALS OF ECU | |
| Only back door cannot be opened (Unlocked) | Back door opener switch circuit | Refer to Back Door Opener Switch Circuit |
| Back door lock motor circuit | Refer to Back Door Lock Motor Circuit | |
| Main body ECU | Refer to TERMINALS OF ECU |