Honda Civic manuals

Subaru Legacy Service Manual: Dtc p0152 a/f / o2 sensor circuit high voltage bank 2 sensor 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 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 FRONT OXYGEN (A/F) SENSOR CONNECTOR AND COUPLING CONNECTOR.

Has water entered the connector-

Completely remove any water inside.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0152 A/F / O2 SENSOR CIRCUIT HIGH VOLTAGE BANK 2 SENSOR 1

2.CHECK HARNESS BETWEEN ECM AND FRONT OXYGEN (A/F) SENSOR CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from front oxygen (A/F) sensor.

3) Turn the ignition switch to ON.

4) Measure the voltage between ECM connector and chassis ground.

Connector & terminal

(E158) No. 45 (+) — Chassis ground (−):

(E158) No. 44 (+) — Chassis ground (−):

Is the voltage 8 V or more-

Repair the short circuit to power in the harness between ECM connector and front oxygen (A/F) sensor connector.

Replace the front oxygen (A/F) sensor. Front Oxygen (A/F) Sensor

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC P0132. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0132 A/F / O2 SENSOR CIRCUIT HIGH VOLTAGE BANK 1 SENSOR 1

Dtc p0154 a/f / o2 sensor circuit no activity detected bank 2 sensor 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 ...

Dtc p0151 a/f / o2 sensor circuit low voltage bank 2 sensor 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 ...

Other materials:

Operation
1. BRAKE LAMP LIGHTING OPERATION MODE BY SUBARU SELECT MONITORCAUTION:By executing the compulsory operation for the brake lamp relay, the electronic parking brake warning light may illuminate. After the brake light relay compulsory operation is executed, refer to “Basic Diagnostic Procedure&rd ...

© 2017-2019 Copyright www.sulegacy.com