DTC Troubleshooting
P0010 DIAGNOSIS PROCEDURE
| Step |
Action |
YES |
NO |
| 1 |
Was "Engine and Emission Control System Check" performed? |
Go to Step 2. |
Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK:J24B . |
| 2 |
OCV drive circuit and OCV ground circuit check
- Turn OFF ignition switch and disconnect connectors from ECM and OCV.
- Check for proper terminal connection to ECM connectors and OCV connector.
- If connections are OK, check that OCV drive circuit (A1) and OCV ground circuit (B1) are as follows.
- Wiring harness resistance of OCV drive circuit and OCV ground circuit is less than 3 Ω.
- Insulation resistance between OCV drive circuit and vehicle body ground is infinity
- Insulation resistance of wire harness is infinity between OCV drive circuit terminal and each terminal at OCV connector.
- Circuit voltage of OCV drive circuit and OCV ground circuit is 0 - 1 V with ignition switch in ON position.
Are they in good condition? |
Go to Step 3. |
Repair or replace defective wire harness. |
| 3 |
OCV check
- Check OCV, see OCV (OIL CONTROL VALVE) INSPECTION
.
Is it in good condition? |
Substitute a known-good ECM and recheck. |
Replace OCV. |