P0703

Tests 1 - 2:

Tests 3 - 6:

Tests 7 - 9:

SYMPTOM
P0703-BRAKE SWITCH #2 CIRCUIT

WHEN MONITORED
TEST #1: Vehicle speed greater than 20 MPH to enable. TEST #2: Speed must be 0 and brake switch indicates ON.

SET CONDITION
TEST #1: If vehicle speed goes to 0 MPH without brake input. Condition must be repeated 15 times to set fault. Two trip fault. TEST #2: If vehicle speed go above 20 MHP for more than 6.0 seconds without a change in brake state. Condition must be repeat 15 times to set fault. Two Trip Fault.

POSSIBLE CAUSES
- Intermittent condition
- Fused B+ circuit
- Brake switch sense circuit shorted to voltage
- Brake switch sense shorted to ground
- Brake switch sense circuit open
- Ground circuit open
- Brake lamp switch operation
- PCM