Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2526 auto closer motor circuit open

Subaru Legacy BN/BS (2015-2019) Service Manual / Power rear gate system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2526 auto closer motor circuit open

DTC DETECTING CONDITION:

When malfunction in the power rear gate auto closer is detected.

TROUBLE SYMPTOM:

The pull-in/release operation of closer is not possible.

WIRING DIAGRAM:

NOTE:

For the coupling connector, refer to “WIRING SYSTEM”.

Power rear gate system Power Rear Gate System > WIRING DIAGRAM

STEP	CHECK	YES	NO
1.CHECK CLOSER UNIT. 1) Turn the ignition switch to OFF. 2) Disconnect the PRG CM connector in the order of (R423) > (R422). 3) Disconnect the PRG auto closer connector. 4) Perform the operation check for the PRG auto closer motor. Power Rear Gate Auto Closer > INSPECTION	Does it operate properly-	Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again. NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2526 AUTO CLOSER MOTOR CIRCUIT OPEN
2.CHECK HARNESS (OPEN CIRCUIT). Using a tester, measure the resistance between the PRG CM connector and PRG auto closer connector. Connector & terminal (R423) No. 2 — (D153) No. 1: (R423) No. 3 — (D153) No. 2: (R422) No. 9 — (D153) No. 4:	Is the resistance less than 10 --	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2526 AUTO CLOSER MOTOR CIRCUIT OPEN	Repair or replace the open circuit of harness.
3.CHECK HARNESS (GROUND SHORT CIRCUIT). Using a tester, measure the resistance between the PRG CM connector and chassis ground. Connector & terminal (R423) No. 2 — Chassis ground: (R423) No. 3 — Chassis ground:	Is the resistance 1 M- or more-	Replace the PRG CM. Power Rear Gate Control Module	Repair or replace the short circuit of the harness.

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