DTC U0423:68 [LASER SENSOR]

id0402c4895300

DTC
U0423:68
Abnormal message from instrument cluster
DETECTION CONDITION
•  Correct data cannot be received from instrument cluster
FAIL-SAFE FUNCTION
•  Inhibits the Smart City Brake Support (SCBS) controls.
•  Illuminates the Smart City Brake Support (SCBS) indicator light (amber)
POSSIBLE CAUSE
•  Instrument cluster malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
INSPECT FOR INSTRUMENT CLUSTER MALFUNCTION
•  Switch the ignition off.
•  Using the M-MDS, perform the DTC inspection for the instrument cluster .
•  Are any DTCs detected?
Yes
Go to applicable DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
Go to the next step.
2
VERIFY THAT SAME DTC IS NOT PRESENT
•  Clear the DTCs from the memory.
•  Are the same DTCs present?
Yes
Configure the instrument cluster, then repeat the inspection from Step 1.
(See INSTRUMENT CLUSTER CONFIGURATION (USING READ/WRITE FUNCTION).)
(See INSTRUMENT CLUSTER CONFIGURATION (USING AS-BUILT DATA).)
If the malfunction recurs, replace the instrument cluster, then go to the next step.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
No
Go to the next step.
3
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS [LASER SENSOR].)
No
DTC troubleshooting completed.