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
- to BCM terminal 55
- through 50A fusible link (letter M , located in the fuse and fusible link box).
- to BCM terminal 42
- through 15A fuse [No. 22, located in the fuse block (J/B)].
- to Horn relay terminal 2
- through 15A fuse (No. 34, located in the fuse and fusible link box).
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied
- to BCM terminal 37
- through key switch terminal 1 and 2
- through 15A fuse [No. 22, located in the fuse block (J/B)].
When the ignition switch is ACC or ON, power is supplied
- to BCM terminal 11
- through 10A fuse [No. 6, located in the fuse block (J/B)].
When the ignition switch is ON or START, power is supplied
- to BCM terminal 38
- through 15A fuse [No. 1, located in the fuse block (J/B)].
When the front door switch (driver side) is ON (door is OPEN), ground is supplied
- to BCM terminal 62
- through front door switch (driver side) terminal 1
- through front door switch (driver side) case ground.
When the front door switch (passenger side) is ON (door is OPEN), ground is supplied
- to BCM terminal 12
- through front door switch (passenger side) terminal 1
- through front door switch (passenger side) case ground.
When the rear door switch LH is ON (door is OPEN), ground is supplied
- to BCM terminal 63
- through rear door switch LH terminal 1
- 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 1
- through rear door switch RH case ground.
When the back door switch is ON (door is open), ground is supplied
- to BCM terminal 58
- through back door closure motor (door switch) terminals 7 and 8
- through body grounds B15 and B45
Key fob signal is inputted to remote keyless entry receiver (the antenna of the system is built in remote keyless entry receiver).
- to BCM terminal 20
- from remote keyless entry system controls operation of the
The remote keyless entry system controls operation of the
- power door lock
- hazard and horn reminder
- auto door lock
- panic alarm
- keyless power window down (open)
- room lamp and key ring illumination
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.