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Home >> Jaguar >> 2005 >> XJ8 L >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Vehicle Dynamic Suspension (2003.5-09) >> Diagnosis And testing >> Vehicle Dynamic Suspension >> Pinpoint tests >> PINPOINT TEST G256924p2: B1312, B1471; HEADLAMP CIRCUIT MALFUNCTION >> G256924t4: CHECK THE HEADLAMP TO ASU PWM SIGNAL CIRCUIT FOR SHORT TO B+

G256924t4: CHECK THE HEADLAMP TO ASU PWM SIGNAL CIRCUIT FOR SHORT TO B+

  1. Measure the voltage between CR89, pin 03 (Y) and GROUND.
    • Is the voltage greater than 3 volts? 
  1. -> Yes:  REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC. TEST the system for normal operation.
  2. -> No:  CONTACT dealer technical support for confirmation of possible control module failure, and/or raise an EPQR.
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