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. (See ON-BOARD DIAGNOSIS [DSC/RSC].) • 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 {20 mph} 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.