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DTC P1683: Throttle Valve Default Position Spring Performance Problem (2017)

GHH253567Courtesy 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, review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions Systems (2017) .

DTC Description Confirmed DTC Pending DTC
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. Enter the maintenance mode, then start the engine.

    - 4. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.

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

    - 6. Turn the vehicle to the ON mode.

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

    DTC Description Confirmed DTC Pending DTC
    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. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot - Refer to: How to Troubleshoot the Fuel and Emissions Systems (2017) .

  2. Throttle body default position spring check

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

    - 2. Remove the air cleaner.

    - 3. Push the throttle valve closed as shown.

    GHH258514Courtesy of HONDA, U.S.A., INC.

    - 4. Release the throttle valve.

    Does the throttle valve return?

    YES 

    Clean the throttle body , and recheck. If DTC P1683 is indicated, replace the throttle body .

    NO 

    Replace the throttle body .