K5 Verify Integrity of Vehicle Wiring

NOTE: If the previous pinpoint steps have been completed, the most likely cause of the concern is wiring related.

Connector:

- Refer to Pinpoint Test ID, Intermittent Diagnosis Procedure and perform for all affected circuits as shown on the pinpoint test mini-schematic. Intermittent Diagnosis Procedure

- Is resolution achieved?

YES -- Go to K4 for system OK verification. K4 Check For DTC Repeatability

NO -- Most likely concern is in HCU. Replace HCU and perform anti-lock brake bleeding procedure. Go to K4. K4 Check For DTC Repeatability