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.
System Description: Inputs
Power is supplied at all times
- through 50A fusible link (letter j, located in the fuse and fusible link box)
- to BCM terminal 70
- through 10A fuse [No. 21, located in the fuse block (J/B)]
- to BCM terminal 57.
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied
- through 10A fuse [No. 19, located in the fuse block (J/B)]
- through key switch terminals 2 and 1
- to BCM terminal 37.
When the ignition switch is ACC or ON, power is supplied
- through 10A fuse [No. 6, located in the fuse block (J/B)]
- to BCM terminal 11.
When the ignition switch is ON or START, power is supplied
- through 10A fuse [No. 12, located in the fuse block (J/B)]
- to BCM terminal 38.
Ground is supplied
- to BCM terminal 67
- through body grounds M57 and M61.
When the front door switch LH is ON (door is OPEN), ground is supplied
- to BCM terminal 47
- through front door switch LH terminal 2
- through front door switch LH case ground.
When the front door switch RH is ON (door is OPEN), ground is supplied
- to BCM terminal 12
- through front door switch RH terminal 2
- through front door switch RH case ground.
When the rear door switch LH is ON (door is OPEN), ground is supplied
- to BCM terminal 48
- through rear door switch LH terminal 2
- through rear door switch LH case ground.
When the rear door switch RH is ON (door is OPEN), ground is supplied
- to BCM meter terminal 13
- through rear door switch RH terminal 2
- through rear door switch RH case ground.
When the trunk room lamp switch is ON (trunk is OPEN), ground is supplied
- to BCM terminal 42
- through trunk room lamp switch terminals 1 and 2
- through body grounds B7 and B19.
Keyfob signal is inputted to BCM from remote keyless entry receiver.
The remote keyless entry system controls operation of the
- power door lock
- hazard reminder
- auto door lock
- panic alarm
- room lamp
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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