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.
Terminals Of Ecu
2008 Toyota Camry XLE, 2.4 ESECTION Terminals Of Ecu
- CHECK MAIN BODY ECU (INSTRUMENT PANEL J/B)Β
- Disconnect the main body ECU (instrument panel J/B) connectors.
- Measure the resistance and voltage between each terminal of the wire harness side connectors and body ground.VOLTAGE AND RESISTANCE SPECIFICATION
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition RCTY (E6-5) - Body ground GR - Body ground Rear courtesy light switch RH input Rear door RH CLOSED (OFF) β OPEN (ON) 10 kΞ© or higher β Below 1 Ξ© PCTY (E6-21) - Body ground Y - Body ground Passenger side courtesy light switch input Passenger side door CLOSED (OFF) β OPEN (ON) 10 kΞ© or higher β Below 1 Ξ© LGCY (E6-25) - Body ground W - Body ground Luggage compartment door courtesy light switch input Luggage compartment door CLOSED (OFF) β OPEN (ON) 10 kΞ© or higher β Below 1 Ξ© DCTY (E7-24) - Body ground L - Body ground Driver side door courtesy light switch input Driver side door CLOSED (OFF) β OPEN (ON) 10 kΞ© or higher β Below 1 Ξ© KSW (E9-5) - Body ground L - Body ground Unlock warning switch input No key in ignition key cylinder (OFF) β Key inserted (ON) 10 kΞ© or higher β Below 1 Ξ© ACC (IA-1) - Body ground B - Body ground Ignition power supply (ACC signal) Ignition switch ACC β OFF 10 to 14 V β Below 1 V IG (IA-1) - Body ground B - Body ground Ignition power supply (IG signal) Ignition switch ON β OFF 10 to 14 V β Below 1 V ALTB (ID-16) - Body ground W - Body ground +B (power system alternator system) power supply Always 10 to 14 V GND1 (IF-10) - Body ground W-B - Body ground Ground Always Below 1 Ξ© BECU (ID-10) - Body ground O - Body ground +B power supply Always 10 to 14 V GND2 (IM-9) - Body ground W-B - Body ground Ground Always Below 1 Ξ© LCTY (IO-7) - Body ground LG - Body ground Rear courtesy light switch LH input Rear door LH CLOSED (OFF) β OPEN (ON) 10 kΞ© or higher β Below 1 Ξ© If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the main body ECU (instrument panel J/B) connectors.
- Measure the voltage between each terminal of the wire harness side connectors and body ground.VOLTAGE SPECIFICATION
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition TR+ (E7-1) - Body ground B - Body ground Luggage compartment door opener motor input Luggage compartment door CLOSED (LOCKED) β OPEN (UNLOCKED) Below 1 V β 10 to 14 V*1 HAZ (E8-4) - Body ground W - Body ground Turn signal flasher relay signal Any transmitter switch is pressed β not pressed Below 1 V β 10 to 14 V*2 BZR (E9-7) - Body ground O - Body ground Wireless door lock buzzer Wireless door lock buzzer OFF β ON 0 V β Pulse generation HINT: - *1: When operating the motor.
- *2: When operating the answer back function.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.