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.
Diagnosis Procedure
- CHECK "AUTOMATIC LOCK/UNLOCK SELECT" SETTING IN "WORK SUPPORT"
- Select "DOOR LOCK" of "BCM" using CONSULT.
- Select "AUTOMATIC LOCK/UNLOCK SELECT" in "WORK SUPPORT" mode.
- Check "AUTOMATIC LOCK/UNLOCK SELECT" in "WORK SUPPORT".
Refer to "DOOR LOCK: CONSULT FUNCTION (BCM - DOOR LOCK) ".
Is the inspection result normal?
YES: GO TO 2.
NO: Set "AUTOMATIC LOCK/UNLOCK SELECT" in "WORK SUPPORT".
- CHECK "AUTOMATIC DOOR UNLOCK SELECT" SETTING IN "WORK SUPPORT"
- Select "DOOR LOCK" of "BCM" using CONSULT.
- Select "AUTOMATIC DOOR UNLOCK SELECT" in "WORK SUPPORT" mode.
- Check "AUTOMATIC DOOR UNLOCK SELECT" in "WORK SUPPORT".
Refer to "DOOR LOCK: CONSULT FUNCTION (BCM - DOOR LOCK) ".
Is the inspection result normal?
YES: GO TO 3.
NO: Set "AUTOMATIC DOOR UNLOCK SELECT" in "WORK SUPPORT".
- REPLACE BCM
- Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
- Confirm the operation after replacement.
Is the result normal?
YES: INSPECTION END
NO: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".
NO RELATED
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.