Nissan Maxima Service and Repair Manual: BCM branch line circuit

Diagnosis Procedure

1.CHECK CONNECTOR

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side).

2.CHECK HARNESS FOR OPEN CIRCUIT

  1. Disconnect the connector of BCM.
  2. Check the resistance between the BCM harness connector terminals.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the BCM. Refer to BCS-36, "Diagnosis Procedure".

    ADP branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and ...

    DLC branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the data link connector for ...

    Other materials:

    Intake sensor
    Removal and Installation REMOVAL Remove the evaporator (2). Refer to HA-48, "EVAPORATOR: Removal and Installation". Release the intake sensor clip (A), then remove the intake sensor (1). CAUTION: Mark the mounting position of the intake sensor. Do not damage the evapora ...

    Optical sensor
    Description The optical sensor converts the outside brightness (lux) to voltage and transmits the optical sensor signal to the BCM. Component Function Check 1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT CONSULT Turn the ignition switch ON. Select "OPTICAL SENSOR" of BCM (HEAD LAMP) DATA MONIT ...

    Horn function
    Symptom Table HAZARD AND HORN REMINDER FUNCTION MALFUNCTION NOTE: Before performing the diagnosis in the following table, check "Work flow". Refer to DLK-9, "Work Flow". If the following symptoms are detected, check systems shown in the "Diagnosis/service procedure" column ...

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    Nissan Maxima Service and Repair Manual

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