Engine Lubrication System Symptom Troubleshooting - Low oil pressure indicator stays on CR-V

Engine Lubrication System Symptom Troubleshooting - Low oil pressure indicator stays on

ElectronicCircuitSchematics-button

Low oil pressure indicator stays on

1- Gauge control module test:

Gauge control module test

1- Connect the HDS to the DLC- 2- Check for DTCs. If a DTC is present, diagnose, and repair the cause before continuing with this test- DTC (PGM-FI)

3- Start the engine, and check the parameter(s) below with the HDS- Signal

Threshold

Current conditions

Values

Unit

Values

Unit

OIL PRESSURE SWITCH

OFF

Do the current condition(s) match the threshold

YES

Replace the gauge control module.

NO

Go to step 2- 2- Oil pressure switch test:

Oil pressure switch test

1- Turn the vehicle to the OFF (LOCK) mode- 2- Check the oil pressure switch- Is the oil pressure switch OK

YES (1.5 L engine)

Go to step 3-

YES (2.4 L engine)

Go to step 4-

NO

Do the oil pressure test. If the oil pressure is OK, replace the oil pressure switch.

3- Shorted wire check (ENG OPSW line):

Shorted wire check (ENG OPSW line)

1- Turn the vehicle to the OFF (LOCK) mode- 2- Jump the SCS line with the HDS, and wait more than 1 minute- NOTE: This step must be done to protect the PCM from damage- SCS Short

3- Disconnect the following connectors- PCM connector E (80P)

Oil pressure switch 1P connector

4- Check for continuity between test points 1 and 2- Test condition

Vehicle OFF (LOCK) mode

PCM connector E (80P) : disconnected

Oil pressure switch 1P connector: disconnected

Test point 1

Oil pressure switch 1P connector (female terminals) No. 1:

Test point 2

Body ground

Is there continuity

YES

Repair a short to ground in the ENG OPSW wire between the oil pressure switch and the PCM.

NO

Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If the PCM was substituted, and the symptom/indication goes away, replace the original PCM.

4- Shorted wire check (ENG OP SW line):

Shorted wire check (ENG OP SW line)

1- Turn the vehicle to the OFF (LOCK) mode- 2- Jump the SCS line with the HDS, and wait more than 1 minute- NOTE: This step must be done to protect the PCM from damage- SCS Short

3- Disconnect the following connectors- PCM connector B (51P)

Oil pressure switch 1P connector

4- Check for continuity between test points 1 and 2- Test condition

Vehicle OFF (LOCK) mode

PCM connector B (51P): disconnected

Oil pressure switch 1P connector: disconnected

Test point 1

Oil pressure switch 1P connector (female terminals) No. 1:

Test point 2

Body ground

Is there continuity

YES

Repair a short to ground in the ENG OP SW wire between the oil pressure switch and the PCM.

NO

Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If the PCM was substituted, and the symptom/indication goes away, replace the original PCM.

Troubleshooting Start
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