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Home >> Jaguar >> 2017 >> XJR L >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Electronic Engine Controls - V6 S/C 3.0L Petrol -- XJ/X351) >> Electronic Engine Controls - V6 S/C 3.0 L Petrol >> Diagnosis And Testing >> Inspection And Verification >> Visual Inspection

Visual Inspection

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  1. Visually inspect for obvious signs of damage and system integrity.
  2. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  3. 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 .
  4. Check DDW for open campaigns. Refer to the corresponding bulletins and SSMs which may be valid for the specific customer complaint and carry out the recommendations as required.

Visual Inspection 

MECHANICAL ELECTRICAL
  • Engine oil level
  • Cooling system coolant level
  • Fuel level
  • Fuel contamination
  • Fuel leaks
  • Accessory drive belt
  • Vacuum hoses
  • Fuel injectors
  • High pressure fuel pumps
  • Fuel metering valve
  • Turbine bypass control actuator
  • Fuses
  • Wiring harnesses and connectors
  • Powertrain control module
  • Transmission control module
  • Crankshaft position sensor
  • Accelerator pedal position sensor
  • Camshaft position sensors
  • Engine coolant temperature sensor
  • Knock sensors
  • Mass air flow and temperature sensor
  • Low fuel pressure sensor
  • Ambient air temperature sensor
  • Radiator outlet temperature sensor
  • Fuel rail pressure sensor
  • Charge air pressure sensor
  • Oil level and temperature sensor
  • Heated oxygen sensors
  • Ignition coils
  • Electric throttle
  • Fuel pump module
  • Variable camshaft timing actuators
  • Purge valve