Four Wheel Anti-Lock Brake System (4WABS)

RETRIEVE DIAGNOSTIC TROUBLE CODE (DTC)

^ Connect the New Generation STAR (NGS) Tester or equivalent.

^ Retrieve DTCs.

^ Is the DTC the same as before and is the entire Pinpoint Test for the DTC completed?

> Yes
Diagnose the intermittent fault. Intermittent Diagnosis Procedure

> No
If the Pinpoint Test is not complete, return to the test step last completed.

If the DTC retrieved is not the same, Go to the Pinpoint Test for the DTC retrieved.

If the module does not respond, Go to the System Precheck. Initial Inspection and Diagnostic Overview