DTC Confirmation Test "A"

WARNING: This page is about a different car, the 2002 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Malfunction "A" is detected when ECM detects an excessively low or high voltage from AP sensor. Possible causes are:

Absolute Pressure (AP) sensor circuit open or shorted.
Defective AP sensor.

To set DTC, turn ignition on. Select DATA MONITOR with scan tool. Wait at least 6 seconds. If first trip DTC is detected, perform DIAGNOSTIC PROCEDURE "A" .