Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2009CAMRY HYBRIDREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSDOOR LOCK (HYBRID)POWER DOOR LOCK CONTROL SYSTEMPROBLEM SYMPTOMS TABLE
2009 Toyota Camry Hybrid
Problem Symptoms Table
2009 Toyota Camry HybridSECTION Problem Symptoms Table
POWER DOOR LOCK CONTROL SYSTEM:
PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See Procedure |
|---|---|---|
| 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. Multiplex network master switch assembly | TERMINALS OF ECU | |
| 3. 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) | 1. Door courtesy switch circuit (Driver side) | DOOR COURTESY SWITCH CIRCUIT |
| 2. Smart key system (Entry) | SMART KEY SYSTEM | |
| 3. Replace main body ECU (Instrument panel J/B) | - | |
| Shift-linked automatic door lock does not operate | 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 | WIRELESS DOOR LOCK CONTROL SYSTEM |
| 2. Driver side door unlock detection switch circuit | DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 3. Front passenger door unlock detection switch circuit | FRONT PASSENGER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 4. Rear door unlock detection switch LH circuit | REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT | |
| 5. Rear door unlock detection switch RH circuit | REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT | |
| 6. 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.