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

DTC Logic

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

Diagnosis Procedure

1. REPLACE BCM

When DTC U1010 is detected, replace BCM.

    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:

    Step lamp circuit
    Description Controls the step lamp (ground side) to turn the step lamp ON and OFF. Component Function Check CAUTION: Before performing the diagnosis, check that the following is normal. Battery saver output/power supply Step lamp bulbs 1.CHECK STEP LAMP OPERATION CONSULT Turn igni ...

    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 symptoms and a present DTC by performing the Self Diagnostic Result procedure. Diagnosis Proc ...

    Diagnosis and repair workflow
    Work Flow PRECAUTIONS FOR DIAGNOSIS If steering angle sensor, steering system parts, suspension system parts, ABS actuator and electric unit (control unit) or if wheel alignment has been adjusted, be sure to adjust neutral position of steering angle sensor before driving. Refer to BRC-6, & ...

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    Nissan Maxima Service and Repair Manual

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