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Home >> Honda >> 2013 >> Fit Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission) >> DTC Troubleshooting >> DTC P0716: Problem in Input Shaft (Mainshaft) Speed Sensor Circuit; DTC P0721: Problem in Output Shaft (Countershaft) Speed Sensor Circuit
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DTC P0716: Problem in Input Shaft (Mainshaft) Speed Sensor Circuit; DTC P0721: Problem in Output Shaft (Countershaft) Speed Sensor Circuit

WARNING: This page is about a different variant/trim than selected.
NOTE: This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Raise the front of the vehicle, make sure it is securely supported, and allow the front wheels to rotate freely, or raise the vehicle on a lift.
  4. Start the engine. Disable the VSA by pressing the VSA OFF switch for VSA-equipped model. Run the vehicle in D at speeds above 12 mph (20 km/h) for at least 10 seconds. Slow down and stop the wheels.
  5. Check for pending or Confirmed DTCs with the HDS.

    Is DTC P0718 or P0723 indicate? 

    YES  -Go to the DTC P0718 troubleshooting (see DTC P0717: INPUT SHAFT (MAINSHAFT) SPEED SENSOR CIRCUIT (NO SIGNAL INPUT); DTC P0718: INPUT SHAFT (MAINSHAFT) SPEED SENSOR (INTERMITTENT FAILURE) ) or the DTC P0723 troubleshooting (see DTC P0722: OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR CIRCUIT (NO SIGNAL INPUT); DTC P0723: OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR (INTERMITTENT FAILURE) ).

    NO  -Go to step 6.

  6. Check for pending or Confirmed DTCs with the HDS.

    Is DTC P0716 or P0721 indicated? 

    YES  -Go to step 7.

    NO  -Intermittent failure, the system is OK at this time.

  7. Check for loose or poor connections at the input shaft (mainshaft) speed sensor or the output shaft (countershaft) speed sensor, and check for proper speed sensor installation.

    Are the connections and installation OK? 

    YES  -Replace the input shaft (mainshaft) speed sensor (see INPUT SHAFT (MAINSHAFT) SPEED SENSOR REPLACEMENT ) or the output shaft (countershaft) speed sensor (see OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR REPLACEMENT ), then go to step 8.

    NO  -Install the speed sensor properly, and connect the connector securely, then go to step 8.

  8. Turn the ignition switch to ON (II).
  9. Clear the DTC with the HDS.
  10. Start the engine. Disable the VSA by pressing the VSA OFF switch for VSA-equipped model. Run the vehicle in D at speeds above 12 mph (20 km/h) for at least 10 seconds. Slow down and stop the wheels.
  11. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0716 or P0721 indicated? 

    YES  - go to step  1.

    NO  -Troubleshooting is complete.

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