Operation CHARM: Car repair manuals for everyone.

P0703

BRAKE SWITCH INPUT MALFUNCTION - P0703

Function:
Monitoring of brake switch operation.

Possible Causes:
Faulty switch, wiring or connection.

Effects:
Torque converter clutch operation may be abnormal.

Remedy:
Repair or renew switch, wiring or connector.





Connections





Troubleshooting Schematic

Key to Schematic Diagram
1. Transmission Control Module
2. Transmission Unit
3. Brake Switch
4. Pressure Switch - Manifold
5. Transmission Fluid Temperature Sensor
6. Input Speed Sensor
7. Output Speed Sensor
8. Engine Control Module
9. Left-hand Heelboard Fuse-box
10. Torque Control Clutch Solenoid
11. Force Motor
12. Shift Solenoid A
13. Shift Solenoid B
14. ABS/Traction Control Control Module
15. Right-hand Heelboard Fuse-box
16. Kickdown Switch