Related Lines, More Than 52 Ω And Less Than 62 Ω (Rear View Mirror)

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 rear view mirror connector.
   2. Using a tester, measure the resistance between terminals in rear view mirror connector.

      Connector & terminal 

      (R416) No. 9 - (R416) No. 10:

      Is the resistance 400 Ω or more?

      Yes  : Related lines between rear view mirror 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 rear view mirror connector and steering angle sensor connector.

      Connector & terminal 

      (R416) No. 9 - (i74) No. 3:

      (R416) No. 10 - (i74) No. 2:

      Is the resistance 10 Ω or more?

      Yes  : Repair or replace the open circuit of rear view mirror related lines.

      No  : The communication harness is normal. Check DTC of body integrated unit. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .