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HOMESERVICE MANUALSHONDA2000INSIGHTREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMINTAKE AIR SYSTEMTHROTTLE POSITION SENSOR SIGNAL INSPECTION
2000 Honda Insight

Throttle Position Sensor Signal Inspection

2000 Honda InsightSECTION Throttle Position Sensor Signal Inspection
NOTE:
  • This procedure check the throttle position sensor in its fully closed position. In any other position, the throttle position sensor stores DTCs which are covered in other troubleshooting procedures.
  • Check for Temporary DTCs or DTCs with the HDS before doing this procedure. If any DTCs indicated, troubleshoot them first, then do this procedure.
  • Press the accelerator pedal several times, to check its operation. If it does not operate properly check the pedal, the throttle cable, and the throttle linkage individually. If you find a problem in one of them, replace the part(s) that caused the problem.
  1. Connect the HDS to the data link connector (DLC) (A) located under the driver's (passenger's)* side of the dashboard.

    *: 2000 model

    2000 model 

    Fig 1: Identifying Data Link Connector Location (2000 Model)
    G03681082Courtesy of AMERICAN HONDA MOTOR CO., INC.

    2001-2006 models 

    Fig 2: Identifying Data Link Connector Location (2001-2006 Model)
    G03681083Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Turn the ignition switch ON (II).
  3. Make sure the accelerator pedal is not pressed, then check the TP SENSOR in the DATA LIST with the HDS.
    • If it is below 0.5 V, the throttle position sensor is OK.
    • If it is above 0.5 V, adjust the throttle cable (see THROTTLE CABLE ADJUSTMENT  ), then go to step 4.
  4. Make sure the accelerator pedal is not pressed, then check the TP SENSOR in the DATA LIST with the HDS.
    • If it is below 0.5 V, the throttle position sensor is OK.
    • If it is above 0.5 V, update the ECM if it does not have the latest software, or substitute a known-good ECM (see HOW TO TROUBLESHOOT CIRCUITS AT THE ECM ), then go to step 5.
  5. Make sure the accelerator pedal is not pressed, then check the TP SENSOR in the DATA LIST with the HDS.
    • If it is below 0.5 V, the throttle position sensor is OK.
    • If it is above 0.5 V, replace the throttle body assembly (see THROTTLE BODY REMOVAL/INSTALLATION  ), then go to step  1 .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.