Diagnostic Test
CHECK FOR AN ACTIVE DTC
NOTE:
After erasing ACTIVE DTCs it may be necessary for the Anti-lock Brake System (ABS) Module to go to sleep before the DTCs are cleared. IF the DTC is still ACTIVE after the clear command then Turn the ignition off, disconnect the Scan Tool, close the doors and wait until all indicators on the Cluster have gone out, typically about 30 seconds.
NOTE:
This DTC must be active for the results of this test to be valid.
- Turn the ignition on.
- With the scan tool, read ABS DTCs and record on the repair order.
- With the scan tool, read and record Freeze Fame information.
- With the scan tool, erase DTCs.
- Start the engine.
- Press the brake pedal firmly and release.
- With the scan tool, read ABS DTCs and record on the repair order.
Is the DTC active?
Yes
- Replace the Integrated Control Unit (ICU) in accordance with the Service Information.
- Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
No
- Perform the ABS-INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .