Power Short Inspection (P-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 .

G13617059

Courtesy of SUBARU OF AMERICA, INC.

NOTE: Main wiring harness or related lines may be shorted to battery circuit, or shorted to battery circuit in one of the control modules.

CHECK BETWEEN RELATED LINES AND MAIN WIRING HARNESS .
1. Turn the ignition switch to OFF.
2. Turn the ignition switch to ON.
3. Using a tester, measure the voltage between the ECM connector and chassis ground.
  Connector & terminal
  
  (B134) No. 4 (+) - Chassis ground (-):
  
  (B134) No. 15 (+) - Chassis ground (-):
Is the voltage 5 V or less?

Yes : Currently, it is normal.

No : Go to 2.
CHECK CONTROL MODULE .
With the tester connected, disconnect control module.

Connector & terminal

(B134) No. 4 (+) - Chassis ground (-):

(B134) No. 15 (+) - Chassis ground (-):

Did the voltage change to 5 V or less?

Yes : Replace the control module whose voltage has changed.

No : Repair or replace the short circuit of the harness between ECM and Body Control Module.