Operation CHARM: Car repair manuals for everyone.

Intermittent Circuit Check

NOTE: The Intermittent Circuit Check cannot be started without erasing all stored DTCs. Record all DTCs or repair the fault(s) before starting the Intermittent Circuit Check.

1. Configure the vehicle:
- Open any door.
- Ignition switch is in the RUN position.
- The vehicle is in PARK.
- The ride control switch is in the OFF ROAD position.
- The brake pedal is fully depressed.
- The accelerator pedal is fully depressed.

2. Connect New Generation STAR (NGS) Tester.





3. Enter the PID monitor and select the following PIDs (make sure that the listed states are displayed before continuing).
4. Enter NGS Tester "I/O Circuit Check" in the ARC module menu. All inputs should indicate NO CHANGE. If not, then restart the I/O Circuit Check.
5. Wiggle the wire harness for the selected circuits, without disturbing the vehicle configuration.
6. If any PIDs indicate CHANGED, an intermittent fault exists near the location of the wiggling of the wire harness, REPAIR the circuits as necessary.