DTC P0103-85: Mass or Volume Air Flow Sensor "A" Circuit High - Signal above allowable range: Action
NOTE:
Monitor description
. Engine control module monitors the input frequency signal from the sensor and sets the DTC if there is electrical failure
- Using the Jaguar Land Rover approved diagnostic equipment, check datalogger signal - Mass Air Flow Sensor Frequency - (0x033D)
- Using the Jaguar Land Rover approved diagnostic equipment, check datalogger signal - Air Flow Rate from Mass Air Flow Sensor - (0xF410)
- Check mass air flow sensor connector is correctly latched
- Refer to the appropriate system wiring diagrams and check power feed to mass air flow sensor for open circuit
- Refer to the appropriate system wiring diagrams and check the mass air flow sensor circuit for short circuit to power
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check and install a new mass air flow sensor as required
- Clear the DTCs and retest