Related Line 53 - 61 Ω (A/C Control Panel): Wiring diagram

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

• Non-turbo model

Fig 1: A/C Control Panel System Wiring Diagram Non-Turbo Model (1 Of 2)

Courtesy of SUBARU OF AMERICA, INC.

Fig 2: A/C Control Panel System Wiring Diagram Non-Turbo Model (2 Of 2)

Courtesy of SUBARU OF AMERICA, INC.

• Turbo model

Fig 3: A/C Control Panel System Wiring Diagram Turbo Model (1 Of 2)

Courtesy of SUBARU OF AMERICA, INC.

Fig 4: A/C Control Panel System Wiring Diagram Turbo Model (2 Of 2)

Courtesy of SUBARU OF AMERICA, INC.

1. CHECK BETWEEN RELATED LINES AND MAIN WIRING HARNESS. 
   1. Disconnect the A/C control panel connector.
   2. Using the tester, measure the resistance between terminals.

      Connector & terminal 

      (i88) No. 19 - No. 20:

   Is the resistance 400 Ω or more?

   • Yes  : Related lines between A/C control panel 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. 

   Using the tester, measure the resistance between terminals.

   Connector & terminal 

   (i88) No. 19 - (B40) No. 14:

   (i88) No. 20 - (B40) No. 6:

   Is the resistance 10 Ω or more?

   • Yes  : Repair or replace the open circuit of A/C control panel related lines.
   • No  : Check the DTC of A/C control panel. Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Trouble Code (DTC) .