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.
Door Switch Check (Without Automatic Back Door System)
- CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-II
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR") in DATA MONITOR mode with CONSULT-II. Refer to DATA MONITOR .
- When any doors are open:
DOOR SW-DR: ON
DOOR SW-AS: ON
DOOR SW-RL: ON
DOOR SW-RR: ON
BACK DOOR SW: ON
- When any doors are closed:
DOOR SW-DR: OFF
DOOR SW-AS: OFF
DOOR SW-RL: OFF
DOOR SW-RR: OFF
BACK DOOR SW: OFF
Without CONSULT-II
Check voltage between BCM connector M18 or M20 terminals 12, 13, 58, 62, 63 and ground.
- When any doors are open:
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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