BTSI Output Circuit Shorted or Open (EATX Only)

Tests 1 - 2:

Tests 3 - 7:

SYMPTOM
BTSI OUTPUT CIRCUIT SHORTED OR OPEN (4.7L EATX ONLY)

WHEN MONITORED
With the ignition in Unlock or ON.

SET CONDITION
The Instrument Cluster detects that the BTSI Output circuit voltage is greater than 10.5 volts (Open) or less than 0.05 volts (Shorted).

POSSIBLE CAUSES
- BTSI output circuit short to ground
- BTSI output circuit open
- Brake sense circuit open
- Brake lamp switch ground circuit open
- BTSI solenoid open
- BTSI solenoid shorted
- Brake lamp switch
- Instrument cluster