DTC P1683: Throttle Valve Default Position Spring Performance Problem (2013-15)

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

Do not insert your fingers into the installed throttle body when you press the engine start/stop button to select the ON mode, or while vehicle 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 - Refer to: How to Troubleshoot the Fuel and Emissions Systems (2013-15), or How to Troubleshoot the A/T System (2013-15) .

DTC (PGM-FI)

1. Problem verification:

   Press the engine start/stop button to select the ON mode.

   - 2. Clear the DTC with the HDS - Refer to: How to Troubleshoot the Fuel and Emissions Systems (2013-15), or How to Troubleshoot the A/T System (2013-15) .

   Clear DTC

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

   - 4. Press the engine start/stop button to select the OFF mode, and wait for 10 seconds.

   - 5. Press the engine start/stop button to select 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:

   Press the engine start/stop button to select the OFF mode.

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

   - 3. Push the throttle valve closed as shown.

   Courtesy 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:

   Press the engine start/stop button to select the ON mode.

   - 2. Reset the PCM with the HDS - Refer to: How to Troubleshoot the Fuel and Emissions Systems (2013-15), or How to Troubleshoot the A/T System (2013-15) .

   Reset PCM

   - 3. Do the PCM idle learn procedure .

   - 4. Press the engine start/stop button to select the OFF mode, and wait for 10 seconds.

   - 5. Press the engine start/stop button to select 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.