Nissan Maxima Service and Repair Manual: BCM (body control module)

Reference Value

NOTE:

The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

  • Activate and display TPMS transmitter IDs

  • Display tire pressure reported by the TPMS transmitter

  • Read TPMS DTCs

  • Register TPMS transmitter IDs

  • Check Intelligent Key relative signal strength

  • Confirm vehicle Intelligent Key antenna signal strength

VALUES ON THE DIAGNOSIS TOOL

Terminal Layout

Physical Values

Fail Safe

DTC Inspection Priority Chart

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

DTC Index

NOTE:

Details of time display

  • CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning ignition switch OFF → ON again.

  • 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases 1 → 2 → 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch OFF → ON after returning to the normal condition if the malfunction is detected again.

    ECU diagnosis information
    ...

    IPDM E/R (intelligent power distribution module engine room)
    Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES Fail Safe CAN COMMUNICATION CONTROL When CAN communication with ECM and BCM is impossible, IPDM E/R ...

    Other materials:

    B2557 vehicle speed
    Description BCM receives the 2 vehicle speed signals via CAN communication. One signal is transmitted by the "combination meter". Another signal is transmitted by "ABS actuator and electric unit (control unit)". BCM compares both signals to detect the vehicle speed. DTC Logic DTC DETECTIO ...

    Stall test
    Inspection and Judgment INSPECTION  Inspect the amount of engine oil. Replenish the engine oil if necessary.  Drive for about 10 minutes to warm up the vehicle so that the CVT fluid temperature is 50 to 80C (122 to 176F). Inspect the amount of CVT fluid. Repleni ...

    B260A 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 block (J/B)) Front blower motor relay BCM checks any ignition relay ON request for consistency wi ...

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