Outline Of Diagnosis

Diagnosis 1

• Detect the ground short of the transmission line pressure solenoid drive circuit.
• Judge as NG if the transmission line pressure solenoid drive current is higher than the predetermined value.

Diagnosis 2

• Detect the ground short of the transmission line pressure solenoid drive circuit.
• Judge as NG when an abnormal signal is received from the solenoid driver IC of the transmission line pressure solenoid drive circuit.