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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 >> Ground Short Inspection (C-Can)

Ground Short Inspection (C-Can)

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 .

G13617068Courtesy of SUBARU OF AMERICA, INC.
NOTE: Main wiring harness or related lines may be shorted to ground, or shorted to ground in one of the control modules.
  1. CHECK BETWEEN RELATED LINES AND MAIN WIRING HARNESS  .
    1. Turn the ignition switch to OFF.
    2. Disconnect the central gateway Control Module connector.
    3. Using a tester, measure the resistance between the central gateway Control Module connector and chassis ground.

      Connector & terminal 

      (i366) No. 8 - Chassis ground:

      (i366) No. 23 - Chassis ground:

    Is the resistance less than 10 Ω?

    Yes  : Go to  2.

    No  : Currently, it is normal.

  2. CHECK CONTROL MODULE  .

    With the tester connected, disconnect control module.

    Connector & terminal 

    (i366) No. 8 - Chassis ground:

    (i366) No. 23 - Chassis ground:

    Did the resistance change to 10 Ω or more?

    Yes  : Replace the control module whose resistance has changed.

    No  : Repair or replace the short circuit of the main wiring harness or related lines between the central gateway Control Module and VDC Control Module & H/U.