Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, read DTCs and record on the repair order.
Is the DTC active or pending?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECK THE ANTI-LOCK BRAKE MODULE FOR WHEEL SPEED SENSOR FAULTS
- With the scan tool, read DTCs in the ABS Module.
Is the ABS Module setting any DTCs against a Wheel Speed Sensor?
Yes
- Perform the diagnostic procedure in the ABS Module. Refer to DTC INDEX .
No
- Replace the ABS Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL AND INSTALLATION .
- With the scan tool, read DTCs in the ABS Module.