Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p2022 tgv position sensor/switch circuit high bank 2

DTC DETECTING CONDITION:

Immediately at fault recognition

TROUBLE SYMPTOM:

Improper idling

Engine stalls.

Poor driving performance

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.

WIRING DIAGRAM:

Engine Electrical System ENGINE TYPE FB (WITHOUT PUSH BUTTON START) Engine Electrical System > WIRING DIAGRAM

Engine Electrical System ENGINE TYPE FB (WITH PUSH BUTTON START) Engine Electrical System > WIRING DIAGRAM

STEPCHECKYESNO

1.CHECK CURRENT DATA.

1) Start the engine.

2) Read the value of «TGV Position Sensor L» using the Subaru Select Monitor.

NOTE:

For detailed operation procedures, refer to “Current Data Display For Engine”. Subaru Select Monitor

Is the value of «TGV Position Sensor L» 5 V or more-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P2022 TGV POSITION SENSOR/SWITCH CIRCUIT HIGH BANK 2

Even if DTC is detected, 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.

2.CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ACTUATOR LH CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from tumble generator valve actuator LH.

3) Start the engine.

4) Read the value of «TGV Position Sensor L» using the Subaru Select Monitor.

NOTE:

For detailed operation procedures, refer to “Current Data Display For Engine”. Subaru Select Monitor

Is the value of «TGV Position Sensor L» 5 V or more-

Repair the short circuit to power in harness between ECM connector and tumble generator valve actuator LH connector.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P2022 TGV POSITION SENSOR/SWITCH CIRCUIT HIGH BANK 2

3.CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ACTUATOR LH CONNECTOR.

1) Turn the ignition switch to OFF.

2) Measure the resistance of harness between tumble generator valve actuator LH connector and engine ground.

Connector & terminal

(E51) No. 2 — Engine ground:

Is the resistance less than 5 --

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P2022 TGV POSITION SENSOR/SWITCH CIRCUIT HIGH BANK 2

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit in harness between ECM connector and tumble generator valve actuator LH connector

Poor contact of ECM connector

4.CHECK FOR POOR CONTACT.

Check for poor contact of tumble generator valve actuator LH connector.

Is there poor contact of the tumble generator valve actuator LH connector-

Repair the poor contact of tumble generator valve actuator LH connector.

Replace the tumble generator valve actuator LH. Tumble Generator Valve

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC P2017. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P2017 TGV POSITION SENSOR/SWITCH CIRCUIT HIGH BANK 1

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Other materials:

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