DTC B1342, C1730 [DSC/RSC]

id0402b3800400

Note
•   Perform the inspection of DTCs other than B1342 and C1730 first when verifying DTCs.

DTC
B1342, C1730
DSC/RSC HU/CM system
DETECTION CONDITION
•  B1342
―  DSC/RSC HU/CM on-board diagnostic function detects control module malfunction.
•  C1730
―  Sensor supply voltage is out of range.
POSSIBLE CAUSE
•  DSC/RSC HU/CM internal malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY DTC INSPECTION
•  Turn the ignition switch off.
•  Using the M-MDS, perform the DTC inspection.
•  Are any DTCs other than B1342 and C1730 output?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS [DSC/RSC].)
No
Go to the next step.
2
VERIFY CURRENT STATUS OF MALFUNCTION
•  Clear the DTC from the memory.
•  Is the same DTC present?
Yes
Replace the DSC/RSC HU/CM, then go to the next step.
(See DSC/RSC HU/CM REMOVAL/INSTALLATION [L.H.D.].)
(See DSC/RSC HU/CM REMOVAL/INSTALLATION [R.H.D.].)
No
Go to the next step.
3
VERIFY THAT NO DTCS ARE OUTPUT AGAIN
•  Drive the vehicle at 32km/h or more.
•  Stop the vehicle and verify the DTCs.
•  Are DTCs output again?
Yes
If DTC B1342 or C1730 is output again, replace the DSC/RSC HU/CM.
(See DSC/RSC HU/CM REMOVAL/INSTALLATION [L.H.D.].)
(See DSC/RSC HU/CM REMOVAL/INSTALLATION [R.H.D.].)
No
DTC troubleshooting completed.