Scheme 476
Theory Of Operation
The ambient temperature sensor signal is a direct input to the FCM. The FCM sends the PCM the ambient temperature signal over the CAN C bus.
The PCM receives the vehicle speed signal over the CAN C bus from the Anti-lock Brake Module.
The A/C Pressure Transducer signal is a direct input to the FCM. The FCM sends the PCM the A/C Pressure Transducer signal over the CAN C bus.
The PCM receives the vehicle speed signal over the CAN C bus from the Anti-lock Brake Module or FCM (NON-ABS).
The Front Control Module isn't receiving a fuel volume signal over CAN B from the Cluster Module. The FCM has to send the PCM a fuel volume signal over CAN C. The signal the FCM sends over CAN C is implausible.
The Front Control Module isn't receiving a fuel volume signal over CAN B from the Cluster Module. The FCM has to send the PCM a fuel volume signal over CAN C. The signal the FCM sends over CAN C is implausible.
The ABS Module sends vehicle speed information over the CAN C Bus circuit to the PCM.
The Front Control Module isn't receiving an odometer signal over CAN B from the Cluster Module. The FCM has to send the PCM an odometer signal over CAN C. The signal the FCM is sending over CAN C is implausible.
The ABS Module sends an implausible distance signal over the CAN C Bus circuit to the PCM.
The ABS Module sends an implausible distance signal over the CAN C Bus circuit to the PCM.