B2188-IGNITION START CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition in the Start position.
- Set Condition:
The TIPM detects a short to ground condition in the (F962) Fused Ignition Switch Output (Start) circuit.
| Possible Causes |
| (F962) FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT SHORT TO GROUND |
| TRANSMISSION RANGE SENSOR |
| TIPM |
Diagnostic Test
1.CHECK FOR ACTIVE DTCDoes the scan tool display this DTC as active?
Yes
- Go To 2
No
- If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
2.TRANSMISSION RANGE SENSOR
Does the scan tool display this DTC as active?
Yes
- Replace the Transmission Range Sensor in accordance with the service information.
- Perform BODY VERIFICATION TEST VER 1 (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Go To 3
3.
Does the scan tool display this DTC as active?
Yes
- Replace the ECM in accordance with the service information.
- Perform BODY VERIFICATION TEST VER 1 (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Go To 4
4.(F962) FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT SHORT TO GROUND
Is the resistance below 10K ohms?
Yes
- Repair the (F962) Fused Ignition Switch Output (START) circuit for a short to ground.
- Perform BODY VERIFICATION TEST VER 1 (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the TIPM in accordance with the service information.
- Perform BODY VERIFICATION TEST VER 1 (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)