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Home >> Suzuki >> 2004 >> Aerio S, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Electrical Devices >> Repair Instructions >> Throttle Position (TP) Sensor On-Vehicle Inspection >> Using SUZUKI Scan Tool >> Notes
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Using SUZUKI Scan Tool: Notes

  1. Connect SUZUKI scan tool to DLC (1) with ignition switch OFF.
  2. Check "TP Sensor Volt" value displayed on scan tool under the following each condition.

    If measured value is out of specified range, check TP sensor referring to Step 12 of DTC P0121: THROTTLE POSITION SENSOR CIRCUIT RANGE/PERFORMANCE .

    If OK, check wire harness of TP sensor.

    Also check that "TP Sensor Volt" value varies according to throttle valve opening linearly. If not, it is possible that TP sensor has failed. Replace.

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