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Home >> Jaguar >> 2009 >> XJR >> Repair and Diagnosis >> Engine Performance >> System >> Acceleration Control (2003.5-09) >> Diagnosis and Testing >> Acceleration Control >> PINPOINT TEST G240070p4 : DTC P1251, P1658, P1631, P1657 >> G240070t21 : CHECK FUSE 18 FOR A SHORT TO GROUND

G240070t21 : CHECK FUSE 18 FOR A SHORT TO GROUND

  1. Measure the resistance between fuse 18 and ground.
    • Is the resistance greater than 10,000 ohms? 
  1. -> Yes :  INSTALL a new fuse. CLEAR the DTC. TEST the system for normal operation.
  2. -> No :  REPAIR short to ground between engine compartment fuse box and the throttle motor relay. INSTALL a new fuse. CLEAR the DTC. TEST the system for normal operation.
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