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Honda Fit/Jazz - DTC Troubleshooting: P0123 (7-2) (L12A/L13A 5MT without ETCS)

Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.

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DTC Troubleshooting: P0123 (7-2)

DTC P0123 (7-2): TP Sensor Circuit High Voltage


1.Turn the ignition switch ON (II).

2.Check the throttle position with the HDS or the scan tool.

Is there about 10% or 0.5 V when the throttle is fully closed and about 90% or 4.5 V when the throttle is fully opened?


YES - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the TP sensor and at the ECM/PCM.n


NO - Go to 3.


3.Turn the ignition switch OFF.

4.Disconnect the TP sensor 3P connector.

5.Turn the ignition switch ON (II).

6. At the


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