B2189-IGNITION START CONTROL CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition on.
- Set Condition:
The TIPM detects a short to voltage condition in the Fused Ignition Switch Output (Start) circuit.
| Possible Causes |
| FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT SHORT TO VOLTAGE |
| ENGINE CONTROL MODULE |
| TIPM |
Diagnostic Test
1. CHECK FOR ACTIVE DTCWith the scan tool, read the active DTCs.
Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 10 seconds.
With the scan tool, read the active DTCs.
Does 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. ENGINE CONTROL MODULE
Turn the ignition off.
Disconnect the Engine Control Module harness connectors.
Turn the ignition on, wait 10 seconds.
With the scan tool, read TIPM DTCs.
Did DTC B2188-IGNITION START CONTROL CIRCUIT HIGH change from active to stored?
Yes
- Replace the Engine Control Module in accordance with the service information.
No
- Check the Fused Ignition Switch Output (START) circuit for a short to voltage. If this circuit is not shorted to voltage, replace the TIPM.