Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

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1.CHECK DTC.

Is engine DTC displayed- Read Diagnostic Trouble Code (DTC)

Check the appropriate DTC using the “List of Diagnostic Trouble Code (DTC)”. List of Diagnostic Trouble Code (DTC)

Oil Pressure System > INSPECTION

2.CHECK COMBINATION METER.

1) Turn the ignition switch to ON. (Engine OFF)

2) Check the warning light in the combination meter.

Does the warning light illuminate-

Oil Pressure System > INSPECTION

Repair or replace the combination meter. Combination Meter System > INSPECTION

3.CHECK POWER SUPPLY TO OIL PRESSURE SWITCH.

1) Turn the ignition switch to OFF.

2) Disconnect the terminal from oil pressure switch.

3) Turn the ignition switch to ON.

4) Measure the voltage of harness between oil pressure switch harness terminal and chassis ground.

Terminals

(E11) No. 1 (+) — Chassis ground (−):

Is the voltage 10 V or more-

Replace the oil pressure switch. Oil Pressure Switch

Oil Pressure System > INSPECTION

4.CHECK COMBINATION METER.

Perform the self-diagnosis of combination meter to check if there are any faults in the combination meter. Combination Meter System > OPERATION

Is combination meter OK-

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit of harness between combination meter and oil pressure switch

Poor contact of combination meter connector

Poor contact of oil pressure switch terminal

Poor contact of coupling connector

Repair or replace the combination meter. Combination Meter System > INSPECTION

Wiring diagram
Oil pressure warning system Oil Pressure Warning Light System > WIRING DIAGRAM ...

Oil pump
...

Other materials:

Caution
1. Never connect the battery in reverse polarity.• Doing so may immediately damage the A/C CM.2. Do not disconnect the battery terminals while the engine is running.• A large counter electromotive force will be generated in the generator, and this voltage may damage electronic parts such ...

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