DTC P0108: MAP Sensor Circuit High Voltage Honda Fit I

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

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1. Turn the ignition switch ON (II).
2. Check the MAP SENSOR in the DATA LIST with the HDS. Is about 160 kPa (47.1 in.Hg, 1,197 mmHg), or 4.49 V or more indicated? YES - Go to step 3 . NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the ECM/PCM.
3. Turn the ignition switch OFF.
4. Disconnect the MAP sensor 3P connector.
5. Connect MAP sensor 3P connector terminals No. 2 and No. 3 with a jumper wire.
6. Turn the ignition switch ON (II).
7. Check the MAP SENSOR in the DATA LIST with the HDS. Is about 160 kPa (47.1 in.Hg, 1,197 mmHg), or 4.49 V or more indicated? YES - Go to step 8 . NO - Go to step 19 .
8. Remove the jumper wire from the MAP sensor 3P connector.
9. Measure voltage between MAP sensor 3P connector terminals No. 1 and No. 3. Is there about 5 V? YES - Go to step 15 . NO - Go to step 10 .
10. Turn the ignition switch OFF.
11. Jump the SCS line with the HDS.
12. Disconnect ECM/PCM connector A (31P).
13. Connect MAP sensor 3P connector terminal No. 3 to body ground with a jumper wire.
14. Check for continuity between ECM/PCM connector terminal A24 and body ground. Is there continuity? YES - Go to step 27 . NO - Repair open in the wire between the ECM/PCM (A24) and the MAP sensor, then go to step 21 .
15. Turn the ignition switch OFF.
16. Connect ECM/PCM connector terminals A24 and A30 with a jumper wire.
17. Turn the ignition switch ON (II).
18. Check the MAP SENSOR in the DATA LIST with the HDS. Is about 160 kPa (47.1 in.Hg, 1,197 mmHg), or 4.49 V or more indicated? YES - Go to step 26 . NO - Repair open in the wire between the ECM/PCM (A30) and the MAP sensor, then go to step 21 .
19. Turn the ignition switch OFF.
20. Replace the MAP sensor (see «MAP SENSOR REPLACEMENT»(ref-291411-S29101893712008072800000) ).
21. Reconnect all connectors.
22. Turn the ignition switch ON (II).
23. Reset the ECM/PCM with the HDS.
24. Do the ECM/PCM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(ref-291413-S23447131872008072800000) ).
25. Check for Temporary DTCs or DTCs with the HDS. Is DTC P0108 indicated? YES - Check for poor connections or loose terminals at the MAP sensor and the ECM/PCM, then go to step 1 . NO - Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTCs troubleshooting.
26. Turn the ignition switch OFF.
27. Reconnect all connectors.
28. Update the ECM/PCM if it does not have the latest software (see «UPDATING THE ECM/PCM»(ref-291410-S41633658632008072800000) ), or substitute a known-good ECM/PCM (see «SUBSTITUTING THE ECM/PCM»(ref-291410-S09944723422008072800000) ).
29. Check for Temporary DTCs or DTCs with the HDS. Is DTC P0108 indicated? YES - Check for poor connections or loose terminals at the MAP sensor and the ECM/PCM. If the ECM/PCM was updated, substitute a known-good ECM/PCM (see «SUBSTITUTING THE ECM/PCM»(ref-291410-S09944723422008072800000) ), then recheck. If the ECM/PCM was substituted, go to step 1 . NO - If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM (see «ECM/PCM REPLACEMENT»(ref-291411-S17209936142008072800000) ). If any other Temporary DTCs or DTCs are indicated, go to the indicated DTCs troubleshooting.