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Honda Fit/Jazz - DTC Troubleshooting: P0138 (63) (With ETCS)

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

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Snip from the Manual


DTC Troubleshooting: P0138 (63)

DTC P0138: Secondary HO2S (Sensor 2) 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. Hold the engine speed at 3,000 rpm (min-1) with no load (in neutral) until the radiator fan comes on, then let it idle.

4.Check the HO2S S2 in the DATA LIST with the HDS at the engine speed 3,000 rpm (min-1).

Does the voltage stay at 1.0 V or more?


YES - Go to 5.


NO - Intermittent failure, system is OK at this time.Check for poor connections or loose terminals at the secondary HO2S


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