DTC C1115, C1185 [DSC/RSC]

id0402b3812000

Note
•  Perform the inspection of DTCs other than C1115 and C1185 first when verifying DTCs.

DTC
C1115, C1185
Valve relay system
DETECTION CONDITION
•  C1115
―  Short circuit in the DSC/RSC HU/CM internal value relay.
•  C1185
―  Open circuit in the DSC/RSC HU/CM internal value relay.
POSSIBLE CAUSE
•  Open or short circuit in the DSC/RSC HU/CM internal valve relay, or stuck valve relay

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 C1115 and C1185 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 {20 mph} or more.
•  Stop the vehicle and verify the DTCs.
•  Are DTCs output again?
Yes
If DTC C1115 or C1185 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.