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:

Key slot
Description Detects whether Intelligent Key is inserted. Immobilizer antenna amp checks Intelligent Key transponder. Component Function Check 1. CHECK FUNCTION With CONSULT Check KEY SW -SLOT in Data Monitor mode with CONSULT. Diagnosis Procedure 1. CHECK KEY SLOT POWER SUPPLY CIRCU ...

Front fog lamp circuit
Description The IPDM E/R (intelligent power distribution module engine room) controls the front fog lamp relay based on inputs from the BCM over the CAN communication lines. When the front fog lamp relay is energized, power flows from the front fog lamp relay in the IPDM E/R to the front fog ...

Maintenance under severe operating conditions
Severe driving conditions The maintenance intervals shown on the preceding pages are for normal operating conditions. If the vehicle is mainly operated under severe driving conditions as shown below, more frequent maintenance must be performed on the following items as shown in the table. ...