Related Lines 53 - 61 Ω (Headlight Beam Leveler): Wiring diagram

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

• Non-turbo model

Fig 1: Headlight Beam Leveler System Wiring Diagram Non-Turbo Model (1 Of 2)

Courtesy of SUBARU OF AMERICA, INC.

Fig 2: Headlight Beam Leveler System Wiring Diagram Non-Turbo Model (2 Of 2)

Courtesy of SUBARU OF AMERICA, INC.

• Turbo model

Fig 3: Headlight Beam Leveler System Wiring Diagram Turbo Model (1 Of 2)

Courtesy of SUBARU OF AMERICA, INC.

Fig 4: Headlight Beam Leveler 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 headlight beam leveler Control Module connector.
   2. Using the tester, measure the resistance between terminals.

      Connector & terminal 

      (B150) No. 23 - No. 24:

   Is the resistance 400 Ω or more?

   • Yes  : Related lines between headlight beam leveler Control Module 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 

   (B150) No. 24 - (B40) No. 14:

   (B150) No. 23 - (B40) No. 6:

   Is the resistance 10 Ω or more?

   • Yes  : Repair or replace the open circuit portion of headlight beam leveler Control Module related lines.
   • No  : Check DTC of headlight beam leveler system. Ref. to HEADLIGHT/FOGLIGHT(DIAGNOSTICS)>Basic Diagnostic Procedure .