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Home >> Jaguar >> 2003 >> XJ8 Base >> Repair and Diagnosis >> Engine Performance >> System >> Acceleration Control (2003.5-09) >> Diagnosis and Testing >> Acceleration Control >> PINPOINT TEST G240070p4 : DTC P1251, P1658, P1631, P1657 >> G240070t22 : CHECK THE POWER SUPPLY CIRCUIT TO THE THROTTLE MOTOR RELAY COIL

G240070t22 : CHECK THE POWER SUPPLY CIRCUIT TO THE THROTTLE MOTOR RELAY COIL

  1. Turn the ignition switch to the RUN position.
  2. Measure the voltage between the throttle motor relay connector FH 32D pin 1 (GR) and ground.
    • Is the voltage greater than 10 volts? 
  1. -> Yes :  GO to G240070t23 : CHECK CONTINUITY OF THE THROTTLE MOTOR RELAY COIL .
  2. -> No :  REPAIR the throttle motor relay coil power supply circuit from the engine compartment fuse box. CLEAR the DTC. TEST the system for normal operation.
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