Circuit Description
Signal from A/T CPU retards ignition timing of engine during A/T gear shifting. DTC is set when a fault in communications between engine CPU and A/T CPU in ECM is detected. ECM is only possible cause.
Signal from A/T CPU retards ignition timing of engine during A/T gear shifting. DTC is set when a fault in communications between engine CPU and A/T CPU in ECM is detected. ECM is only possible cause.