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 FΒ , located in the fuse and fusible link box)
- To BCM terminal 55,
- Through 15A fuse (No. 18, located in the fuse and fusible link box)
- To BCM terminal 42,
- Through 10A fuse (No. 21, located in the fuse and fusible link box)
- To key switch terminal 2
- Through BCM terminal 19
- To remote keyless entry receiver terminal 4.
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied
- Through key switch terminal 1 and 2
- 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. 1, located in the fuse block (J/B)]
- To BCM terminal 38.
Ground is supplied
- To remote keyless entry receiver terminal 1
- Through BCM terminal 18,
- To BCM terminal 52
- Through body grounds M30 and M66.
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 and
- 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 and
- 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 and
- Through rear door switch LH case ground.
When the rear door switch RH is ON (door is OPEN), ground is supplied
- To BCM terminal 13
- Through rear door switch RH terminal 1 and
- Through rear door switch RH case ground.
Key fob signal is inputted to remote keyless entry receiver (the antenna of the system is built in remote keyless entry receiver).
Remote keyless entry receiver sends key fob signal
- To BCM terminal 20
- From remote keyless entry receiver terminal 2.
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
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.
