Nissan Maxima Service and Repair Manual: U1010 control unit (CAN)

U1000 CAN comm circuit

Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellen ...

B257B, B257C ambient sensor

Description COMPONENT DESCRIPTION Ambient Sensor The ambient sensor (1) is installed to the front bumper reinforcement. It detects ambient temperature and converts it into a resistance va ...

Other materials:

IPDM E/R (intelligent power distribution module engine room)
Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES Fail Safe CAN COMMUNICATION CONTROL When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN communication recovers normally, it also re ...

B terminal C 
Description  The "B" terminal is constantly supplied with battery power. Diagnosis Procedure  CAUTION: Perform diagnosis under the condition that the engine cannot start by the following procedure.  Remove fuel pump fuse.  Crank or start the engine (where possible) unt ...

B2630, B2631 sunload sensor
Description COMPONENT DESCRIPTION Sunload Sensor The sunload sensor (1) is located on the driver side defroster grille. It detects sunload entering through windshield by means of a photo diode. The sensor converts the sunload into a current value, which is then input into the A/C auto ...