PCM Replacement
PCM Replacement
Special Tools Required
- Honda diagnostic system (HDS) tablet tester
- Honda interface module (HIM) and an iN workstation with the latest HDS software version
- HDS pocket tester
- GNA600 and an iN workstation with the latest HDS software version
Any one of the above updating tools can be used.
1. Connect HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
3. Make sure the HDS communicates with the PCM and other vehicle systems. If it doesn't, go to the DLC circuit troubleshooting. Testing and Inspection If you are returning from the DLC circuit troubleshooting, skip steps 4 through 9, 17 through 22, and 25 through 27, and do this after replacing the PCM:
- Replace the engine oil Service and Repair and the engine oil filter. Service and Repair
- Replace the ATF. ATF Replacement
- Clean the throttle body. Procedures
4. Select the PGM-FI system with the HDS.
5. Select the INSPECTION MENU with the HDS.
6. Select the ETCS TEST, then select the TP POSITION CHECK, and follow the screen prompts.
NOTE: If the TP POSITION CHECK indicates FAILED, continue with this procedure.
7. Select the REPLACE PCM MENU, then select READ DATA, and follow the screen prompts.
NOTE:
- Doing this step copies (READS) the engine oil life data from the original PCM so you can later download (WRITES) it into the new PCM.
- If READ DATA indicates FAILED, continue with this procedure.
8. Select the A/T system with the HDS.
9. Select the REPLACE TCM/PCM MENU, then select READ DATA, and follow the screen prompts.
NOTE:
- Doing this step copies (READS) the ATF life data from the original PCM so you can later download (WRITES) it into the new PCM.
- If READ DATA indicates FAILED, continue with this procedure.
10. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
11. Jump the SCS line with the HDS.
12. Disconnect PCM connectors A, B, and C, then remove the PCM assembly (D).
NOTE: PCM connectors A, B, and C have symbols (A=(square), B=(triangle) , C=(circle)) embossed on them for identification.
13. Disconnect the cover (A) and the bracket (B) from the PCM (C).
14. Install the PCM in the reverse order of removal.
15. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
16. Manually input the VIN to the PCM with the HDS.
NOTE: DTC P0630 VIN Not Programmed or Mismatch may be stored because the VIN has not been programmed into the PCM; ignore it, and continue this procedure.
17. If the READ DATA (engine oil life) failed in step 7, go to step 20. Otherwise, go to step 18.
18. Select the PGM-FI system with the HDS.
19. Select the REPLACE PCM MENU, then select WRITE DATA, and follow the screen prompts.
NOTE: If the WRITE DATA indicates FAILED, continue with this procedure.
20. If the READ DATA (ATF life) failed in step 9, go to step 23. Otherwise go to step 21.
21. Select the A/T SYSTEM with the HDS.
22. Select the REPLACE TCM/PCM MENU, then select WRITE DATA, and follow the screen prompts.
NOTE: If the WRITE DATA indicates FAILED, continue with this procedure.
23. Select IMMOBI system with the HDS.
24. Enter the immobilizer PCM code that you got from the iN, and use the replacement procedure in the HDS; it allows you to start the engine.
25. If the TP POSITION CHECK failed in step 6 clean the throttle body, Procedures then go to step 26.
26. If the READ DATA failed in step 7 or the WRITE DATA failed in step 19, replace the engine oil Service and Repair and engine oil filter, Service and Repair then go to step 27.
27. If the READ DATA failed in step 9 or the WRITE DATA failed in step 22, replace the ATF, ATF Replacement then go to step 28.
28. Select PGM-FI system, and reset the PCM with the HDS.
29. Update the PCM if it does not have the latest software. PCM Update
30. Do the PCM idle learn procedure. PCM Idle Learn Procedure
31. Do the CKP pattern learn procedure. Initial Inspection and Diagnostic Overview