Circuit Description
WARNING: This page is about a different car, the 2002 Infiniti QX4, 2001 Nissan Pathfinder, and 2001 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
Shift solenoid valves "A" and "B" are turned on and off by TCM in response to output signal from the PNP switch, vehicle speed sensor and throttle position sensor. A voltage drop not within specifications during solenoid operation will set DTC. Shift solenoid valve "A" is normally on in 1st and 4th gear. Shift solenoid valve "B" is normally on in 1st and 2nd gear. For additional information, see SHIFT SOLENOID VALVE OPERATION table under DESCRIPTION & OPERATION.