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Home >> Subaru >> 2020 >> Crosstrek Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (LAN Communication System (Diagnostics) (HEV)) >> CAN Communication Circuit Check >> Inspection >> RELATED LINES, MORE THAN 52 Ω AND LESS THAN 62 Ω (MAIN-CAN_AIRBAG Control MODULE)

RELATED LINES, MORE THAN 52 Ω AND LESS THAN 62 Ω (MAIN-CAN_AIRBAG Control MODULE)

WARNING: This page is about a different variant/trim than selected.

Wiring diagram: 

CAN communication system Ref. to WIRING SYSTEM (CROSSTREK MODEL (HEV))>CAN COMMUNICATION SYSTEM>WIRING DIAGRAM .

G13617033Courtesy of SUBARU OF AMERICA, INC.
G13617034Courtesy of SUBARU OF AMERICA, INC.
  1. CHECK BETWEEN RELATED LINES AND MAIN WIRING HARNESS  .
    1. Disconnect the airbag Control Module connector.
    2. Using a tester, measure the resistance between terminals in airbag Control Module connector.
      CAUTION: To measure the voltage and resistance of airbag system component, be sure to use the specified test harness. Ref. to AIRBAG (DIAGNOSTICS)>GENERAL DESCRIPTION>PREPARATION TOOL .

      Connector & terminal 

      (AB6) No. 13 - (AB6) No. 22:

    Is the resistance 400 Ω or more?

    Yes  : A related line between airbag 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  .
    1. Disconnect the steering sensor connector.
    2. Using a tester, measure the resistance between the steering sensor connector and airbag Control Module connector.
      CAUTION: To measure the voltage and resistance of airbag system component, be sure to use the specified test harness. Ref. to AIRBAG (DIAGNOSTICS)>GENERAL DESCRIPTION>PREPARATION TOOL .

      Connector & terminal 

      (AB6) No. 13 - (i74) No. 3:

      (AB6) No. 22 - (i74) No. 2:

    Is the resistance 10 Ω or more?

    Yes  : Repair or replace the open circuit portion of airbag Control Module related lines.

    No  : Check DTC of airbag Control Module. Ref. to AIRBAG (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .