Nissan Altima 2007-2012 Service Manual: U1000 can comm circuit

Description

Refer to LAN-7, "System Description".

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure

1.PERFORM SELF DIAGNOSTIC

1. Turn ignition switch ON and wait for 2 second or more.

2. Check “Self Diagnostic Result”.

Is “CAN COMM CIRCUIT” displayed? YES >> Refer to LAN-8, "CAN Communication Control Circuit".

NO >> Refer to GI-42, "Intermittent Incident".

    U1010 control unit (CAN)
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1. REPLACE BCM When DTC U1010 is detected, replace BCM. >> Replace BCM. Refer to BCS-96, "Removal and Installation". ...

    Other materials:

    B261A push-button ignition switch
    Description IPDM E/R transmits the push-button ignition switch status via CAN communication to BCM. BCM receives push-button ignition switch status by hardwire input. BCM compares the 2 signals for mismatch. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B261A is displayed with DTC U1000, ...

    B2617 starter relay circuit
    Description Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2617 is displa ...

    Seat belts with pretensioners (Front seats)
    WARNING ● The pretensioners cannot be reused after activation. They must be replaced together with the retractor and buckle as a unit. ● If the vehicle becomes involved in a collision but a pretensioner is not activated, be sure to have the pretensioner system checked and, if nec ...