Communication Signals

Transmitter

Receiver

Signal

Communication Line

ECM

Skid Control ECU

• Intake air temperature signal

• Check mode signal

• Engine rpm signal

• Throttle position signal

• Cruise control operation signal

• VSC prohibition requirement signal

• Shift position signal

• Destination signal

• Engine system malfunction signal

• Ignition timing signal

CAN

Skid Control ECU

• VSC/TRC system malfunction signal

• Fuel cut requirement signal

• Cruise control cancel requirement signal

• Torque requirement signal

CAN

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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