Related Lines, More Than 52 Ω And Less Than 62 Ω (TCM)

Wiring diagram: 

CAN communication system Ref. to WIRING SYSTEM>CAN Communication System>WIRING DIAGRAM .

Courtesy of SUBARU OF AMERICA, INC.

Courtesy of SUBARU OF AMERICA, INC.

1. CHECK BETWEEN RELATED LINES AND MAIN WIRING HARNESS  .
   1. Disconnect the TCM connector.
   2. Using a tester, measure the resistance between terminals in TCM connector.

      Connector & terminal 

      (B54) No. 43 - (B54) No. 44:

      Is the resistance 400 Ω or more?

      Yes  : A related line between TCM and main wiring harness is open, or main wiring harness is open at two places or more.

      No  : Go to  2.

2. CHECK RELATED LINES  .
   1. Disconnect the steering angle sensor connector.
   2. Using a tester, measure the resistance between the TCM connector and steering angle sensor connector.

      Connector & terminal 

      (B54) No. 43 - (i74) No. 3:

      (B54) No. 44 - (i74) No. 2:

      Is the resistance 10 Ω or more?

      Yes  : Repair or replace the open circuit of TCM related lines.

      No  : Check DTC of TCM. Ref. to TRANSMISSION (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .