Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2519 power +b open

Subaru Legacy BN/BS (2015-2019) Service Manual / Power rear gate system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2519 power +b open

DTC DETECTING CONDITION:

When power supply malfunction is detected in power system.

TROUBLE SYMPTOM:

When SW is operated, buzzer sounds and PRG auto-operation does not function.

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 AUTO OPERATION. 1) Turn the ignition switch to OFF. 2) Using operation switch, perform power rear gate auto open/close operation from full close position or full open position.	Is auto operation activated-	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 B2519 POWER +B OPEN
2.CHECK DTC. 1) Turn the ignition switch to ON. 2) Using the Subaru Select Monitor, read DTC of PRG CM. Read Diagnostic Trouble Code (DTC)	Is DTC B2519 displayed- (Current malfunction)	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2519 POWER +B OPEN	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.
3.CHECK FUSE. 1) Turn the ignition switch to OFF. 2) Check the fuse. Relay and Fuse	Is the fuse OK-	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2519 POWER +B OPEN	Replace the defective fuse. When the fuse is blown immediately, repair the short circuit.
4.CHECK HARNESS. 1) Disconnect the PRG CM connector (R423). 2) Using a tester, measure the voltage between the PRG CM connector and chassis ground. Connector & terminal (R423) No. 1 (+) — Chassis ground (−):	Is the voltage 9 V or more-	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2519 POWER +B OPEN	Repair or replace the open circuit of harness.
5.CHECK HARNESS (OPEN CIRCUIT). Using a tester, measure the resistance between the PRG CM connector and chassis ground. Connector & terminal (R423) No. 4 — Chassis ground:	Is the resistance less than 10 --	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2519 POWER +B OPEN	Repair or replace the open circuit of harness.
6.CHECK CONNECTOR. 1) Turn the ignition switch to OFF. 2) Disconnect the PRG CM connector (R423).	Is there poor contact of connector-	Repair or replace the poor contact of connector.	Replace the PRG CM. Power Rear Gate Control Module

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DTC DETECTING CONDITION:When LIN communication failure is detected for two seconds or more.TROUBLE SYMPTOM:The power rear gate does not operate.NOTE:For diagnostic procedures, refer to DTC U0230 in BO ...

Dtc b2517 courtesy sw

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Other materials:

Caution
1. When replacing the occupant detection system, or removing or disassembling the passenger’s seat, always perform «Rezero» of the occupant detection system after installing a seat in the vehicle. Rezero2. The occupant detection system (passenger seat only) control module and the occupant d ...