Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: 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

STEPCHECKYESNO

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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Other materials:

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