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 7
- through 50A fusible link [letter FΒ , located in the fuse block (J/B)].
- to key switch terminal 3
- through 10A fuse (No. 21, 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 62
- through key switch terminal 4.
When the ignition switch is ACC or ON, power is supplied
- to BCM terminal 36
- 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 35
- through 10A 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 14 and unified meter and A/C amp. terminal 8
- through front door switch (driver side) terminal 4 and 5
- through grounds M14 and M78.
When the front door switch (passenger side) is ON (door is OPEN), ground is supplied
- to BCM terminal 10 and unified meter and A/C amp. terminal 7
- through front door switch (passenger side) terminal 4 and 5
- through grounds M14 and M78.
When the rear door switch LH is ON (door is OPEN), ground is supplied
- to unified meter and A/C amp. terminal 18
- through rear door switch LH terminal 4 and 5
- through grounds B7 and B20.
When the rear door switch RH is ON (door is OPEN), ground is supplied
- to unified meter and A/C amp. terminal 17
- through rear door switch RH terminal 4 and 5
- through grounds B105 and B116.
Combination meter send door open signal to BCM with CAN communication system. When the back door switch is ON (back door OPEN), ground is supplied
- to BCM terminal 18
- through back door switch terminal 1 and 3
- through grounds B7 and B20.
Key fob signal is inputted to BCM (the antenna of the system is combined with BCM). The remote keyless entry system controls operation of the
- power door lock
- hazard and horn reminder
- auto door lock
- room lamp and ignition keyhole illumination
- panic alarm
- keyless power window down (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:
- 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.
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