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Home >> Nissan-Datsun >> 2004 >> Maxima SL, RE4F04B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC >> DTC P1229: Sensor Power Supply >> Diagnostic Procedure >> 2. Check Throttle Position Sensor Power Supply Circuit

2. Check Throttle Position Sensor Power Supply Circuit

  1. Disconnect electric throttle control actuator harness connector.
  2. Turn ignition switch ON.
    Fig 1: Disconnect Electric Throttle Control Actuator Harness Connector
    G00877461Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check voltage between electric throttle control actuator terminal 1 and ground with CONSULT-II or tester.
    1. Voltage: Approximately 5V 

OK or NG 

  1. OK: GO TO 4 .
  2. NG: GO TO 3.
Fig 2: Check voltage
G00877462Courtesy of NISSAN MOTOR CO., U.S.A.