Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- 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 TESTING FOR AN INTERMITTENT CONDITION .
- CHECK THE ABS MODULE FOR WHEEL SPEED SENSOR FAULTS
- With the scan tool, read DTCs in the ABS Module.
Are any Wheel Speed Sensor DTCs active or stored in the ABS Module?
Yes
- Refer to DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure.
No
- Go To 3
- With the scan tool, read DTCs in the ABS Module.
- CHECK THE WHEEL SPEED SENSOR WIRING AND CONNECTORS FOR DAMAGE OR POOR FIT
- Turn the ignition off.
- Disconnect the Wheel Speed Sensor harness connector.
- Disconnect the appropriate ABS harness connector.
- Check the Wheel Speed Sensor wires:
- for an open condition.
- for a short to voltage.
- for a short to ground.
- for a short to each other.
Were any problems found with the wiring?
Yes
- Perform the appropriate repair of the wiring.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 4
- REPLACE THE WHEEL SPEED SENSOR
- Replace the Wheel Speed Sensor in accordance with the Service Information.
- Reconnect all harness connectors.
- Turn the ignition on.
- With the scan tool, read DTCs and record on the repair order.
Is the DTC still active?
Yes
- Replace the ABS Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL .
- Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST
No
- Repair is complete.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .