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Home >> Nissan-Datsun >> 2003 >> Frontier Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 401 (Engine Control System - KA24DE) >> DTC P0121: TP Sensor >> Component Inspection >> Throttle Position Sensor >> With GST

With GST

WARNING: This page is about a different car, the 2004 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Reconnect all harness connectors disconnected.
  2. Start engine and warm it up to normal operating temperature.
  3. Stop engine and turn ignition switch ON.
  4. Check voltage between ECM terminal 23 (Throttle position sensor signal) and ground under the following conditions.
    NOTE: Voltage measurement must be made with throttle position sensor installed in vehicle.
    Fig 1: Voltage Chart
    G00857043Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Checking Voltage Between ECM Terminal And Ground
    G00857044Courtesy of NISSAN MOTOR CO., U.S.A.

    If NG, adjust closed throttle position switch. Refer to Basic Inspection .

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