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Honda Fit/Jazz - DTC Troubleshooting: P1683 (40) (With ETCS)

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

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DTC Troubleshooting: P1683 (40)

DTC P1683: Throttle Valve Neutral Position Malfunction




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Do not insert your fingers into installed throttle body when you turn the ignition switch ON (II) or while the ignition switch is ON (II). Otherwise, you will have serious injury to your fingers if the throttle body was activated.



NOTE: If the DTCs listed below are stored at the same time as DTC P1683, troubleshoot those DTCs first, then recheck for P1683.
P0121, P0122, P0123: Throttle position (TP) sensor A
P0221, P0222, P0223: Throttle position (TP) sensor B
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 P1683 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.Turn the ignition switch OFF.

Remove the air cleaner.

7.Check for sludge or carbon on the throttle bore.

Is there sludge or carbon on the throttle bore?


YES - Do the throttle body cleaning, then go to 10.


NO - Go to 8.

8.Turn the ignition switch OFF.

Replace the throttle body.

Install the air cleaner.

11.Turn the ignition switch ON (II).

12.Do the ECM RESET in the CLEAR MENU with the HDS.

13.Do the ETCS learn procedure.

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

Are any Temporary DTCs or DTCs indicated?


YES - If DTC P1683 is indicated, check for sludge or carbon on the throttle bore again, then go to 11. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting.


NO - Troubleshooting is complete.n

2. Do


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