DTC B1D9F-12: Engine Speed Input - Circuit Short To Battery: Action
NOTE:
When checking the audio amplifier module crank signal input circuit for a short circuit to power the engine must be off with the crank signal input connector disconnected from the audio amplifier module
- Refer to the appropriate SYSTEM WIRING DIAGRAMS and check the audio amplifier module crank signal input circuit for short circuit to power, repair the harness as required. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
- Use an oscilloscope to examine the signals from the Powertrain Control Module (PCM). Using the Jaguar Land Rover approved diagnostic equipment check for related PCM DTCs and rectify as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, reconfigure the audio amplifier module with the latest level software
- Using the Jaguar Land Rover approved diagnostic equipment, check and up-date the car configuration file as necessary. Clear the DTCs and re-test
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new audio amplifier module