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.
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HOMESERVICE MANUALSSATURN2002SL1 L4-1.9L SOHC VIN 8REPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONBRAKE
2002 Saturn SL1 L4-1.9L SOHC VIN 8
Brake
2002 Saturn SL1 L4-1.9L SOHC VIN 8SECTION Brake
CIRCUIT CHART
Circuit assignments for the Body Control Module (BCM) relating to device brake:
PARK BRAKE
When the park brake input circuit 1134 to the BCM is grounded (as when the parking brake is applied), the BCM will turn on the brake telltale by sending a serial data message to the Instrument Panel Cluster (IPC).
If the vehicle is moving at greater than 5 km/h (3 mph) and the park brake input to the BCM is grounded, the BCM will sound the warning chime to notify the driver the parking brake is applied. DTC B0005 - Park Brake Switch Circuit Low will set under these conditions.
Circuit Chart:
Circuit assignments for the Body Control Module (BCM) relating to device brake:
PARK BRAKE
When the park brake input circuit 1134 to the BCM is grounded (as when the parking brake is applied), the BCM will turn on the brake telltale by sending a serial data message to the Instrument Panel Cluster (IPC).
If the vehicle is moving at greater than 5 km/h (3 mph) and the park brake input to the BCM is grounded, the BCM will sound the warning chime to notify the driver the parking brake is applied. DTC B0005 - Park Brake Switch Circuit Low will set under these conditions.
RENDER: 1.0x
NO RELATED
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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.