Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
If DTC C0031-01 is present, perform the diagnostics for this DTC before continuing with this diagnostic procedure.

NOTE:
This DTC must be active for the results of this test to be valid.
1. Turn the ignition on.
2. With the scan tool, read ABS DTCs and record on the repair order.
3. With the scan tool, erase ABS DTCs.
  CAUTION:
  Make sure brake capability is available before road testing.
4. Road test the vehicle over 40 km/h (25 mph).
  NOTE:
  Vehicle must be driven above 40 km/h (25 mph) for two minutes before set conditions are met.
5. With the scan tool, read ABS DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform ABS INTERMITTENT CONDITION diagnostic procedure. Refer to ABS INTERMITTENT CONDITION .
VERIFY THE CORRECT LEFT FRONT WHEEL SPEED SENSOR IS INSTALLED ON THE VEHICLE
NOTE:
This vehicle uses directional front wheel speed sensors and non-directional rear wheel speed sensors.
1. Verify the correct Left Front Wheel Speed Sensor is installed on the vehicle.
  Is the Left Front Wheel Speed Sensor correct?
  
  Yes
  - Replace the Anti-lock Brake System (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
  - Install the correct Left Front Wheel Speed Sensor in accordance with the Service Information. Refer to SENSOR, WHEEL SPEED, FRONT, REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .