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:

ECU diagnosis information
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) Reference Value VALUES ON THE DIAGNOSIS TOOL CAUTION: The display shows the control unit calculation data, so a normal value might be displayed even in the event the output circuit (harness) is open or short-circuited. Note 1: C ...

Daytime running light system
Wiring Diagram ...

Main line between HVAC and A-bag circuit
Diagnosis Procedure 1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT) Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect the following harness connectors. A/C auto amp. Harness connectors M1 and E30 Check the continuity between the A/C au ...