Inspection And Verification
WARNING: This page is about a different car, the 2019 Jaguar XJ and 2018 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT
acceptable. Substitution of control modules does not guarantee confirmation of a fault and may also cause additional faults in the vehicle being checked and/or the donor vehicle.
NOTE:
Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.
For additional information, refer to Diagnosis and Testing, Engine - V6 3.0L S/C. REFER to: ENGINE - V6 S/C 3.0L PETROL
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical damage.
Visual Inspection
VISUAL INSPECTIONMECHANICAL - Engine oil level
- Engine (turns freely)
- Coolant level
- Transmission fluid level
- Fuel level
- Coolant leaks
- Oil leaks
- Fuel leaks
- Visibly damaged or worn parts
- Loose or missing nuts or bolts
- Fuel contamination/grade/quality
- Sensor installation/condition
- If an obvious cause for an observed or reported condition is found, correct the cause (if possible) before proceeding to the symptom chart.
- If the cause is not visually evident, verify the symptom and refer to the Symptom Chart, alternatively check for Diagnostic Trouble Codes (DTCs) and refer to the DTC Index.