U0422
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn power switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.
2. CHECK DTC DETECTION
With CONSULT
1.Turn the power switch OFF to ON.
2.Perform self-diagnosis for "EHS/PKB".
Is DTC "U0422" detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END
Diagnosis Procedure
1. CHECK DATA MONITOR
With CONSULT
1.Select "EHS/PKB", "DATA MONITOR" according to this order.
2.Select "BRAKE SWITCH FROM BCM", and check that data monitor displays. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES- INSPECTION END
NO- Check the BCM. Refer to "COMMON ITEM : CONSULT Function (BCM COMMON ITEM)" Common Item.