Troubleshooting |
Symptom | Possible cause | Remedy |
Speedometer does not operate | Cluster fuse (10A) blown | Check for short and replace fuse |
Speedometer faulty | Check speedometer | |
CAN line faulty | Check the EMS | |
Wiring or ground faulty | Repair if necessary | |
Tachometer does not operate | Cluster fuse (10A) blown | Check for short and replace fuse |
Tachometer faulty | Check tachometer | |
CAN line faulty | Check the EMS | |
Wiring or ground faulty | Repair if necessary | |
Fuel gauge does not operate | Cluster fuse (10A) blown | Check for short and replace fuse |
Fuel gauge faulty | Check gauge | |
Fuel sender faulty | Check fuel sender | |
Wiring or ground faulty | Repair if necessary | |
Low fuel warning lamp does not light up | Cluster fuse (10A) blown | Check for short and replace fuse |
Bulb burned out | Replace bulb | |
Fuel sender faulty | Check fuel sender | |
Wiring or ground faulty | Repair if necessary | |
Water temperature gauge does not operate | Cluster fuse (10A) blown | Check for short and replace fuse |
Water temperature gauge faulty | Check gauge | |
Water temperature sender faulty | Check sender | |
CAN line faulty | Check the EMS | |
Wiring or ground faulty | Repair if necessary | |
Oil pressure warning lamp does not light up | Cluster fuse (10A) blown | Check for short and replace fuse |
Bulb burned out | Replace bulb | |
Oil pressure switch faulty | Check switch | |
Wiring or ground faulty | Repair if necessary | |
Parking brake warning lamp does not light up | Cluster fuse (10A) blown | Check for short and replace fuse |
Bulb burned out | Replace bulb | |
Brake fluid level warning switch faulty | Check switch | |
Parking brake switch faulty | Check switch | |
Wiring or ground faulty | Repair if necessary | |
Open door warning lamp and tailgate warning lamp do not light up | Memory fuse (15A) blown | Check for short and replace fuse |
Bulb burned out | Replace bulb | |
Door switch faulty | Check switch | |
Wiring or ground faulty | Repair if necessary | |
Seat belt warning lamp does not light up | Cluster fuse (10A) blown | Check for short and replace fuse |
Bulb burned out | Replace bulb | |
Seat belt switch faulty | Check switch | |
Wiring or ground faulty | Repair if necessary | |
Speedometer and odometer does not operate | CAN line faulty | Check the ABS ECU |
Wheel speed sensor faulty | Check the wheel speed sensor |
Body Control Module (BCM): Schematic Diagrams
Circuit Diagram
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Components and Components Location
Components
1. Telematics unit (TMU)2. Roof Antenna (GPS)3. AUX jack4. AVN head unit5. Mic
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