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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1124, P1126: Throttle Control Motor Relay >> Diagnostic Procedure >> 1. Check Throttle Control Motor Relay Power Supply
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1. Check Throttle Control Motor Relay Power Supply

  1. Turn ignition switch OFF
  2. Disconnect throttle control motor relay harness connector.
    Fig 1: Identifying Throttle Control Motor Relay
    G00796250Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check voltage between throttle control motor relay terminals 2, 5 and ground with CONSULT-II or tester.
    Fig 2: Checking Voltage Between Throttle Control Motor Relay Terminals 2, 5 & Ground
    G00796251Courtesy of NISSAN MOTOR CO., U.S.A.

    Voltage: Battery voltage 

OK or NG 

  1. OK: GO TO 3. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT .
  2. NG: GO TO 2.