Nissan Maxima Service and Repair Manual: System description

Power control system

...

Relay control system

System Diagram System Description IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request sign ...

Other materials:

P0840 transmission fluid pressure SEN/SW A
The secondary pressure sensor detects secondary pressure of CVT and sends a signal to the TCM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE NOTE: Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF. Then wait at least 10 seconds b ...

System maintenance
The sensor for the ICC system A is located on the front of the vehicle. To keep the ICC system operating properly, be sure to observe the following: Always keep the sensor area clean. Do not strike or damage the areas around the sensor. Do not touch or remove the screw located on ...

Periodic maintenance
IN-CABIN MICROFILTER Removal and Installation REMOVAL Disengage the filter cover tab (1) by pushing up and pull out to remove the filter cover. Remove the in-cabin microfilter from the blower unit. INSTALLATION Installation is in the reverse order of removal. ...