Nissan Versa (N17): Heater & air conditioning control system (HAC)

Other materials:

Compression pressure
Inspection Warm up engine and then turn it off. Release fuel pressure. Remove ignition coil and spark plug from each cylinder. Connect engine tachometer (not required in use of CONSULT). Install compression gauge (B) with an adapter (A) (commercial service tool) onto spark plug hole. ...

P074C Unable to engage 4GR
Description This malfunction is detected when the A/T does not shift into 4GR position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc. DTC ...