DIY     OBD-II Codes     Fix your Car     Repair Manuals     -Forum-

Advertisement  [ ? ]

Site Links

Honda Fit/Jazz - DTC Troubleshooting: P0638 (40) (With ETCS)

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

Full Membership required

We can not locate your Full (Preferred) membership details. Please login to your account first and if necessary upgrade your membership.
24 Hr or Annual Membership required.

Thank you!

Snip from the Manual


DTC Troubleshooting: P0638 (40)

DTC P0638: Throttle Actuator Control 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.Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

Is DTC P0638 indicated?


YES - Go to 5.


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


5.Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS again.

Are DTC P0638, P1683 and P2109


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