Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read ABS DTCs and record on the repair order.
3. With the scan tool, read and record the Environmental Data to help identify the conditions in which the DTC was set.
4. With the scan tool, erase the DTCs.
5. Start the engine.
6. With the scan tool, read ABS DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .
(G4) DYNAMICS SENSOR SUPPLY CIRCUIT SHORTED TO VOLTAGE
1. Disconnect the Dynamic Sensor harness connector.
2. Disconnect the ABS Module harness connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the (G4) Dynamics Sensor Supply circuit in the Dynamics Sensor harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the (G4) Dynamics Sensor Supply circuit for a short.
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Go To 3
DYNAMIC SENSOR
1. Replace the Dynamic Sensor in accordance with the Service Information. Refer to SENSOR, DYNAMICS, REMOVAL .
2. Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
3. With the scan tool, read the DTCs.
  Is this DTC still active?
  
  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
  - Test complete.