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

U1000 CAN comm circuit

Description DTC Logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic sy ...

B2553 ignition relay

Description BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON. Ignition relay-1 (inside IPDM E/R) Ignition relay-2 (inside fuse bl ...

Other materials:

Body control system
System Description OUTLINE ECU DIAGNOSIS INFORMATION controls the various electrical components. It inputs the information required to the control from CAN communication and the signal received from each switch and sensor. BCM has combination switch reading function for reading the ...

Unit removal and installation
EPS CONTROL UNIT Removal and Ins REMOVAL Disconnect negative battery terminal. Refer to PG-67, "Removal and Installation (Battery)". Remove audio display unit. Refer to AV-73, "Removal and Installation" (BASE AUDIO), AV-161, "Removaland Installation" (BOSE W/MONOCHROME DISPLAY), A ...

Power supply and ground circuit
AV CONTROL UNIT AV CONTROL UNIT : Diagnosis Procedure 1.CHECK FUSES Check that the following fuses of the AV control unit are not blown. 2.POWER SUPPLY CIRCUIT CHECK Disconnect AV control unit connectors M115 and M119. Check voltage between the AV control unit connectors M115 and ...