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Honda Fit/Jazz - DTC Troubleshooting: P0121 (7), P0221 (7) (With ETCS)
Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.
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Snip from the Manual
DTC Troubleshooting: P0121 (7), P0221 (7)
DTC P0121: TP Sensor A Range/Performance Problem
1.Turn the ignition switch ON (II).
2.Do the DTC CLEAR in the CLEAR MENU with the HDS.
3.Do the ETCS TEST in the INSPECTION MENU with the HDS.
4.Open the throttle to full position several times.
5.Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.
Is DTC P0121 and/or P0221 indicated?
YES - Go to 6.
NO - Intermittent failure, system is OK at this time.Check for poor connections or loose terminals at the throttle body and the ECM.n
6.Check the TP SENSOR-A and TP SENSOR-B in the DATA