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Subaru Legacy Service Manual: Dtc p0333 knock/combustion vibration sensor 2 circuit high bank 2

Subaru Legacy Service Manual / Engine (diagnostics)(h6do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p0333 knock/combustion vibration sensor 2 circuit high bank 2

DTC DETECTING CONDITION:

Immediately at fault recognition

TROUBLE SYMPTOM:

Driving performance problem

Knocking occurs

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 EZ (WITHOUT PUSH BUTTON START) Engine Electrical System > WIRING DIAGRAM

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

STEPCHECKYESNO

1.CHECK HARNESS BETWEEN ECM AND KNOCK SENSOR CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from ECM.

3) Measure the resistance between ECM connectors.

Connector & terminal

(E158) No. 16 — (E158) No. 34:

Is the resistance 600 k- or more-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0333 KNOCK/COMBUSTION VIBRATION SENSOR 2 CIRCUIT HIGH BANK 2

Repair the poor contact of ECM connector.

2.CHECK KNOCK SENSOR.

1) Disconnect the connector from the knock sensor.

2) Measure the resistance between knock sensor terminals.

Terminals

No. 1 — No. 2:

Is the resistance 600 k- or more-

Replace the knock sensor. Knock Sensor

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit in harness between ECM connector and knock sensor connector

Poor contact of knock sensor connector

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC P0328. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0328 KNOCK/COMBUSTION VIBRATION SENSOR 1 CIRCUIT HIGH BANK 1 OR SINGLE SENSOR

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