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Home >> Jaguar >> 2011 >> XK 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Battery & Charging System - General Information -- XK/X150) >> Battery And Charging System - General Information >> Charging System >> Diagnosis And Testing >> Symptom Chart

Symptom Chart

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SYMPTOM POSSIBLE CAUSE ACTION
Battery Not Charging warning displayed on message center
  • Fuse 5 RJB
  • Front End Accessory Drive (FEAD) belt tension
  • Generator fault
  • ECM
  • Instrument cluster fault
  • Controller Area Network (CAN) fault
Check Fuse 5 RJB. Check the battery condition and state of charge. Refer to the battery care information: BATTERY AND CHARGING SYSTEM - GENERAL INFORMATION . Check the FEAD belt tension.
Refer to: Accessory Drive (Diagnosis and Testing).
Check ECM and instrument cluster for DTCs and refer to relevant DTC Index.
Refer to: Diagnostic Trouble Code (DTC) Index - DTC: Engine Control Module (PCM) 5.0L NA V8 - AJ133 (Description and Operation)/Diagnostic Trouble Code (DTC) Index - DTC: Instrument Cluster (IPC) (Description and Operation).
Battery keeps discharging, no warning message displayed on message center
  • No ignition power from CJB
  • Battery quiescent drain
  • Battery fault
  • FEAD belt tension
  • Generator pulley fault
  • Generator failure
For ignition power circuit tests. GO to PINPOINT TEST B . Check the quiescent drain. Check the battery condition and state of charge, refer to the battery care information: BATTERY AND CHARGING SYSTEM - GENERAL INFORMATION .
Refer to: Battery Charging  (GENERAL PROCEDURES).
Check the FEAD belt tension.
Refer to: Accessory Drive (Diagnosis and Testing).
Check RJB for DTCs B2A9016, B2A9116,
NOTE: if battery requires replacing and these DTCs were logged, complete and return the battery report form listing the DTCs, see battery care information. Check ECM for DTCs and refer to relevant DTC Index.

Refer to: Diagnostic Trouble Code (DTC) Index - DTC: Engine Control Module (PCM) 5.0L NA V8 - AJ133 (Description and Operation).
Check the generator pulley does not turn independently of the generator
Generator noisy
  • FEAD belt tension
  • FEAD belt
  • FEAD belt tensioner
  • FEAD belt idler pulleys
  • Generator failure
For noisy generator tests. GO to PINPOINT TEST C .
Radio interference
  • Generator
  • Wiring harness
For radio interference tests. GO to PINPOINT TEST D .