PINPOINT TEST A: Brake Shift Interlock System
- A1 RETRIEVE AND RECORD ALL DTCS
- Using the diagnostic scan tool, retrieve all DTCs.
IS DTC B1319:11 present?
- Yes : CLEAR the DTC. If the DTC returns, GO to A2 .
- No : The issue may not be the BSIA system. GO to SYMPTOM CHART .
- A2 CHECK BCM FUSE 18 (10A)
- Ignition OFF.
- Remove the BCM fuse 18 (10A).
- Check the BCM fuse 18 (10A).
Is the resistance less than 3 ohms?
- Yes : GO to A3 .
- No : GO to A4.
- A3 CHECK BCM FOR AN INTERNAL SHORT
- Disconnect: BCM C2280B .
- Inspect for damaged or pushed-out terminals.
- Install a new fuse.
Did the fuse fail?
- Yes : INSTALL a new BCM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
- No : GO to A4 .
- A4 CHECK THE BSIA POWER CIRCUIT FOR A SHORT TO GROUND
- Disconnect: Brake Shift Interlock C3245 .
- Inspect for damaged or pushed-out terminals.
- Measure.
Positive Lead Measurement/Action Negative Lead C3245-3 Ground
Is the resistance greater than 10, 000 ohms?
- Yes : INSTALL a new selector lever. REFER to SELECTOR LEVER .
- No : REPAIR the circuit.