DTC P1C04: Output Clutch Linear Solenoid Control Circuit Low: Wiring Diagram

WARNING: This page is about a different car, the 2015 Subaru XV Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.

CVT control system < Ref. to WIRING DIAGRAM , CVT Control System.>

Fig 1: Output Clutch Linear Solenoid Control Circuit - Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

DTC PROCEDURE

Step	Check	Yes	No
1 CHECK DTC. Read DTCs of the following system. Transmission < Ref. to appropriate READ DIAGNOSTIC TROUBLE CODE (DTC) in CVT Diagnostics (TR58A) article.>	Is either DTC P2719, P2720, or P2721 detected? (current malfunction)	Perform the diagnosis according to DTC. < Ref. to appropriate LIST OF DIAGNOSTIC TROUBLE CODE (DTC) in CVT Diagnostics (TR58A) article.>	Go to step 2 .
2 CHECK HARNESS (OPEN CIRCUIT). Disconnect the HPCM connector. Remove the output clutch relay. Using a tester, measure the resistance between the HPCM connector and output clutch relay connector. Connector & terminal (B605) No. 1 - (B608) No. 2:	Is the resistance less than 1 Ω?	Go to step 3 .	Repair the open circuit of the harness between the HPCM connector and the output clutch relay connector.
3 CHECK RELAY. Check the output clutch relay. < Ref. to appropriate RELAY AND FUSE in Continuously Variable Transmission TH58A article.>	Is the output clutch relay OK?	Replace the HPCM. < Ref. to HYBRID POWERTRAIN CONTROL MODULE .>	Replace the output clutch relay.