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Honda Fit/Jazz - DTC Troubleshooting: P0490 (12) (With ETCS)

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

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Snip from the Manual


DTC Troubleshooting: P0490 (12)

DTC P0490: EGR Valve Circuit High Voltage


1.Turn the ignition switch ON (II).

2.Do the DTC CLEAR in the CLEAR MENU with the HDS.

3.Start the engine.

4.Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

Is STC P0490 indicated?


YES - Go to 5.


NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the EGR valve and the ECM.n


5.Turn the ignition switch OFF, and wait 10 seconds.

6.Disconnect the EGR valve 6P connector.

7.Connect the ECM test harness and the test pin box to the wire harness only,


Honda Fit/Jazz 02-05 Workshop Manual    Back to all Manuals