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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> LAN Communication System (Diagnostics) >> CAN Communication Circuit Check >> Inspection >> RELATED LINES, MORE THAN 52 Ω AND LESS THAN 62 Ω (EyeSight ASSIST MONITOR)

RELATED LINES, MORE THAN 52 Ω AND LESS THAN 62 Ω (EyeSight ASSIST MONITOR)

Wiring diagram: 

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

G13203246Courtesy of SUBARU OF AMERICA, INC.
  1. CHECK BETWEEN RELATED LINES AND MAIN WIRING HARNESS  .
    1. Disconnect the EyeSight assist monitor connector.
    2. Using a tester, measure the resistance between terminals in EyeSight assist monitor connector.

      Connector & terminal 

      (i336) No. 4 - (i336) No. 5:

      Is the resistance 400 Ω or more?

      Yes  : Related lines between EyeSight assist monitor 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 audio or navigation unit connector.
    2. Using a tester, measure the resistance between EyeSight assist monitor connector and audio or navigation unit connector.

      Connector & terminal 

      (i336) No. 4 - (i87) No. 9:

      (i336) No. 5 - (i87) No. 10:

      Is the resistance 10 Ω or more?

      Yes  : Repair or replace the open circuit of EyeSight assist monitor related lines.

      No  : The communication harness is normal. Check DTC of EyeSight assist monitor. Ref. to EyeSight ASSIST MONITOR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .