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DTC P1683

DTC P1683  : Throttle Valve Default Position Spring Performance Problem

GHH136666Courtesy of HONDA, U.S.A., INC.
Do not insert your fingers into the installed throttle body when you turn the vehicle to the ON mode, or while the vehicle is in ON mode. If you do, you will seriously injure your fingers if the throttle valve is activated.
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information .
DTC Description Confirmed DTC Pending DTC Freeze Frame
P1683 Throttle Valve Default Position Spring Performance Problem      

DTC (PGM-FI)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Clear the DTC with the HDS.

    -3. Start the engine. Hold the engine speed at 3000 RPM without load (in P or N) until the radiator fan comes on, then let it idle.

    -4. Turn the vehicle to the OFF (LOCK) mode, and wait for 10 seconds.

    -5. Turn the vehicle to the ON mode.

    -6. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P1683 Throttle Valve Default Position Spring Performance Problem      

    Is DTC P1683 indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the throttle body and the PCM.

  2. Throttle body default position spring check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the intake air duct from the throttle body.

    -3. Push the throttle valve closed as shown.

    GHH345148Courtesy of HONDA, U.S.A., INC.

    -4. Release the throttle valve.

    Does the throttle valve return?

    YES 

    Clean the throttle body , then do the repair verification. If DTC P1683 is indicated, replace the throttle body , then do the repair verification.

    NO 

    Replace the throttle body , then do the repair verification.

  3. Repair verification

    -1. Turn the vehicle to the ON mode.

    -2. Reset the PCM with the HDS .

    Reset PCM

    -3. Do the PCM idle learn procedure .

    -4. Turn the vehicle to the OFF (LOCK) mode, and wait for 10 seconds.

    -5. Turn the vehicle to the ON mode.

    -6. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P1683 Throttle Valve Default Position Spring Performance Problem      

    DTC (PGM-FI)

    Is DTC P1683 indicated?

    YES 

    Check for poor connections or loose terminals at the throttle body and the PCM, then go to step 1.

    NO 

    Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.

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