| DTC 22-01: | Engine Speed Signal (Initial diagnosis) |
| 1. | Turn the ignition switch OFF. |
| 2. | Connect the HDS to the data link connector (DLC). |
| 3. | Start the engine. |
| 4. | Check the NE in the DATA LIST with the HDS. Is there 0 engine rpm at idle? YES - Go to 5. NO - The system is OK at this time. |
| 5. | Turn the ignition switch OFF. |
| 6. | Disconnect the ECM/PCM connector A (44P) and EPS control unit connector D (28P). |
| 7. | Check for continuity between EPS control unit connector D (28P) terminal No. 3 and body ground.
Is there continuity? YES - Repair short to body in the wire between the EPS control unit and ECM/PCM.n NO - Go to 8. |
| 8. | Connect the ECM/PCM connector A (44P). |
| 9. | Turn the ignition switch ON (II). |
| 10. | Measure the voltage between ECM/PCM connector A (44P) terminal No. 28 and body ground.
Is there battery voltage? YES - Go to 11. NO - Check for loose terminals in the ECM/PCM connector A (44P), and repair if necessary. If no poor connections are found replace the ECM/PCM: R18A1 engine model, K20Z2 engine model.n |
| 11. | Measure the voltage between EPS control unit connector D (28P) terminal No. 3 and body ground.
Is there battery voltage? YES - Check for loose terminals in the EPS control unit D (28P) connector, and repair if necessary. If no poor connections are found, replace the EPS control unit.n NO - Repair open in the wire between the EPS control unit and ECM/PCM.n |