Monitor Strategy

Shift solenoid valve S4/OFF malfunction Shift solenoid valve S4/ON malfunction

Required sensors/Components

Shift solenoid valve S4, Speed sensor (NT), Speed sensor (NC), Crankshaft position sensor (NE)

Frequency of operation



OFF malfunction (A) and ON malfunction (B) 1 sec.

OFF malfunction (B) 1.2 sec.

ON malfunction (A) 0.8 sec.

MIL operation

2 driving cycles

Sequence of operation


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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