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Problem Symptoms Table

PROBLEM SYMPTOMS TABLE - POWER DOOR LOCK CONTROL SYSTEM

Symptom Suspected Area
All doors cannot be locked/unlocked simultaneously (door control switch)
  1. Power source circuit (Body ECU)
  2. Door lock control switch circuit (Master switch)
  3. Body ECU
All doors cannot be locked/unlocked simultaneously (driver door key cylinder)
  1. Power source circuit (Body ECU)
  2. Door lock control switch circuit (Master switch)
  3. Door key lock and unlock switch circuit (Driver side)
  4. Body ECU
Driver side door lock does not operate
  1. Power source circuit (Body ECU)
  2. Door lock motor circuit (Driver side)
  3. Door key lock and unlock switch circuit (Driver side)
  4. Body ECU
Passenger side door lock does not operate
  1. Power source circuit (Body ECU)
  2. Door lock motor circuit (Passenger side)
  3. Body ECU
Rear LH side door lock does not operate
  1. Power source circuit (Body ECU)
  2. Door lock motor circuit (Rear LH side)
  3. Body ECU
Rear RH side door lock does not operate
  1. Power source circuit (Body ECU)
  2. Door lock motor circuit (Rear RH side)
  3. Body ECU
Key lock-in prevention function does not work properly (manual operation and key-linked lock are active)
  1. Door courtesy lamp switch assy (Driver side)
  2. Door key lock and unlock switch circuit (Driver side)
  3. Body ECU
On or more doors cannot be lock/unlock simultaneously (Smart key operation)
  1. Troubleshooting
  2. Door unlock detection switch circuit (Driver side)
  3. Door unlock detection switch circuit (Front passenger side)
  4. Door unlock detection switch circuit (Rear door LH)
  5. Door unlock detection switch circuit (Rear door RH)
  6. Body ECU
On or more doors cannot be lock/unlock simultaneously (Wireless key operation)
  1. Troubleshooting
  2. Door unlock detection switch circuit (Driver side)
  3. Door unlock detection switch circuit (Front passenger side)
  4. Door unlock detection switch circuit (Rear door LH)
  5. Door unlock detection switch circuit (Rear door RH)
  6. Body ECU
On or more doors cannot be lock/unlock simultaneously (Theft deterrent operation)
  1. Troubleshooting
  2. Door unlock detection switch circuit (Driver side)
  3. Door unlock detection switch circuit (Front passenger side)
  4. Door unlock detection switch circuit (Rear door LH)
  5. Door unlock detection switch circuit (Rear door RH)
  6. Body ECU
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