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Subaru Legacy Service Manual: Dtc p2008 tgv control circuit/open bank 1

DTC DETECTING CONDITION:

Immediately at fault recognition

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 HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ASSEMBLY RH CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from the ECM and tumble generator valve assembly RH.

3) Measure the resistance of harness between ECM connector and tumble generator valve assembly RH connector.

Connector & terminal

(E158) No. 52 — (E55) No. 5:

(E158) No. 13 — (E55) No. 4:

Is the resistance less than 1 --

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P2008 TGV CONTROL CIRCUIT/OPEN BANK 1

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit in harness between ECM connector and tumble generator valve assembly RH connector

Poor contact of coupling connector

2.CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ASSEMBLY RH CONNECTOR.

Measure the resistance between ECM connector and chassis ground.

Connector & terminal

(E158) No. 52 — Chassis ground:

(E158) No. 13 — Chassis ground:

Is the resistance 1 M- or more-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P2008 TGV CONTROL CIRCUIT/OPEN BANK 1

Repair the short circuit to ground in harness between ECM connector and tumble generator valve assembly RH connector.

3.CHECK FOR POOR CONTACT.

Check for poor contact of tumble generator valve assembly RH connector.

Is there poor contact of the tumble generator valve assembly RH connector-

Repair the poor contact of tumble generator valve assembly RH connector.

Replace the tumble generator valve assembly RH. Tumble Generator Valve

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of tumble generator valve motor.

Judge as NG when the open signal is sent from IC after tumble generator valve driving IC diagnosis.

2. COMPONENT DESCRIPTION

(1)

Engine control module (ECM)

(2)

Tumble generator valve

3. EXECUTION CONDITION

Secondary Parameters

Execution condition

Battery voltage

≥ 10.9 V

Tumble generator valve drive duty

≤ 79.17%

4. GENERAL DRIVING CYCLE

Perform the diagnosis continuously after the enable conditions have been established.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Malfunction Criteria

Threshold Value

Output voltage

> Battery voltage - 0.55

Time Needed for Diagnosis: 96 ms - 20 time(s)

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Dtc p2009 tgv control circuit low bank 1
DTC DETECTING CONDITION:Immediately at fault recognitionCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mod ...

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DTC DETECTING CONDITION:Immediately at fault recognitionCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mod ...

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