Problem Symptoms Table

2008 Toyota Camry XLE, 2.4 ESECTION Problem Symptoms Table

POWER DOOR LOCK CONTROL SYSTEM: 

POWER DOOR LOCK CONTROL SYSTEM

Symptom Suspected Area See
All doors cannot be locked/unlocked simultaneously by neither door control switch nor door key cylinder 1. Power source circuit (Main body ECU) TERMINALS OF ECU 
2. Replace main body ECU (Instrument panel J/B) -
All doors cannot be locked/unlocked simultaneously by driver side door control switch 1. Door control switch circuit (Driver side) DOOR CONTROL SWITCH CIRCUIT 
2. Replace main body ECU (Instrument panel J/B) -
All doors cannot be locked/unlocked simultaneously by front passenger side door control switch 1. Door control switch circuit (Front passenger side door) DOOR CONTROL SWITCH CIRCUIT 
2. Replace main body ECU (Instrument panel J/B) -
All doors cannot be locked/unlocked simultaneously by door key cylinder 1. Driver side door key lock and unlock switch circuit DRIVER SIDE DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT 
2. Door key lock and unlock switch circuit DOOR KEY LOCK / UNLOCK SWITCH CIRCUIT 
3. Multiplex network master switch assembly TERMINALS OF ECU 
4. Replace main body ECU (Instrument panel J/B) -
Driver side door lock does not operate 1. Driver side door lock motor circuit DRIVER SIDE DOOR LOCK MOTOR CIRCUIT 
2. Replace main body ECU (Instrument panel J/B) -
Passenger side door lock does not operate 1. Front passenger side door lock motor circuit FRONT PASSENGER SIDE DOOR LOCK MOTOR CIRCUIT 
2. Replace main body ECU (Instrument panel J/B) -
Rear LH side door lock does not operate 1. Rear door lock motor LH circuit REAR DOOR LOCK MOTOR CIRCUIT 
2. Replace main body ECU (Instrument panel J/B) -
Rear RH side door lock does not operate 1. Rear door lock motor RH circuit REAR DOOR LOCK MOTOR RH CIRCUIT 
2. Replace main body ECU (Instrument panel J/B) -
Luggage compartment door unlock does not operate 1. Luggage compartment door lock circuit LUGGAGE COMPARTMENT DOOR LOCK CIRCUIT 
2. Luggage compartment door courtesy switch circuit LUGGAGE COMPARTMENT DOOR COURTESY SWITCH CIRCUIT 
3. Luggage compartment door key cylinder switch circuit LUGGAGE COMPARTMENT DOOR KEY CYLINDER SWITCH CIRCUIT 
4. Replace main body ECU (Instrument panel J/B) -
Key lock-in prevention function does not work properly (manual operation and key-linked lock are active) w/ Smart Key System 1. Door courtesy switch circuit (Driver side) DOOR COURTESY SWITCH CIRCUIT
2. Smart key system PROBLEM SYMPTOMS TABLE 
3. Replace main body ECU (Instrument panel J/B) -
Key lock-in prevention function does not work properly (manual operation and key-linked lock are active) w/o Smart Key System 1. Door courtesy switch circuit (Driver side) DOOR COURTESY SWITCH CIRCUIT
2. Unlock warning switch circuit UNLOCK WARNING SWITCH CIRCUIT 
3. Replace main body ECU (Instrument panel J/B) -
Shift-linked automatic door lock does not operate (A/T) 1. CAN communication system HOW TO PROCEED WITH TROUBLESHOOTING
2. Replace main body ECU (Instrument panel J/B) -
One or more doors cannot be locked/unlocked simultaneously (Wireless key operation) 1. Wireless door lock system (w/ smart key system) CUSTOMIZE PARAMETERS 
2. Wireless door lock system (w/o smart key system) CUSTOMIZE PARAMETERS 
3. Driver side door unlock detection switch circuit DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT 
4. Front passenger door unlock detection switch circuit FRONT PASSENGER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT 
5. Rear door unlock detection switch LH circuit REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT 
6. Rear door unlock detection switch RH circuit REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT 
7. Replace main body ECU (Instrument panel J/B) -
One or more doors cannot be locked/unlocked simultaneously (Theft deterrent operation) 1. Theft deterent system (w/ smart key system) PROBLEM SYMPTOMS TABLE
2. Theft deterent system (w/o smart key system) PROBLEM SYMPTOMS TABLE
3. Driver side door unlock detection switch circuit DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT 
4. Front passenger door unlock detection switch circuit FRONT PASSENGER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT 
5. Rear door unlock detection switch LH circuit REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT 
6. Rear door unlock detection switch RH circuit REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT 
7. Replace main body ECU (Instrument panel J/B) -
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.