Honda Fit/Jazz - DTC Troubleshooting: P0121 (7), P0221 (7) (With ETCS)
DTC Troubleshooting: P0121 (7), P0221 (7)
| DTC P0121: | TP Sensor A Range/Performance Problem |
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| 1. | Turn the ignition switch ON (II).
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| 2. | Do the DTC CLEAR in the CLEAR MENU with the HDS.
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| 3. | Do the ETCS TEST in the INSPECTION MENU with the HDS.
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| 4. | Open the throttle to full position several times.
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| 5. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.
Is DTC P0121 and/or P0221 indicated?
YES - Go to Connect the ECM test harness and the test pin box to the wire harness only, not to the ECM. |
| 9. | Check for continuity between test pin box terminals No. 65 and No. 78.
Is there continuity?
YES - Go to Do the ETCS learn procedure.
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| 17. | Do the ETCS TEST in the INSPECTION MENU with the HDS.
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| 18. | Open the throttle to full position several times.
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| 19. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P0121 and/or P0221 indicated, check for poor connections or loose terminals at the throttle body and the ECM, then go to Substitute a known-good ECM.
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| 21. | Do the ETCS TEST in the INSPECTION MENU with the HDS.
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| 22. | Open the throttle to full position several times.
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| 23. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P0121 and/or P0221 indicated, check for poor connections or loose terminals at the throttle body and the ECM, then go to Replace the original ECM. |
Honda Fit/Jazz 02-05 Workshop Manual
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