Nissan Maxima Service and Repair Manual: 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 with the actual ignition relay operation status.

DTC Logic

DTC DETECTION LOGIC

NOTE:

  • If DTC B260A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to PCS-44, "DTC Logic".
  • If DTC B260A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to PCS-45, "DTC Logic".
  • If DTC B260A is displayed with DTC B261A, first perform the trouble diagnosis for DTC B261A. Refer to PCS-60, "DTC Logic".

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1. PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.
  • CVT selector lever is in the P or N position.
  • Release the brake pedal.
  1. Check "Self diagnostic result" with CONSULT.

Diagnosis Procedure

1.CHECK DATA MONITOR

  1. Turn ignition switch ON.
  2. Check IGN RLY1-REQ and IGN RLY status with CONSULT

2.CHECK CAN COMMUNICATION

Check CAN communication.

3.CHECK IGNITION RELAY-1 SIGNAL

Nissan Maxima. CHECK IGNITION RELAY-1 SIGNAL

  1. Turn ignition switch OFF.
  2. Check voltage between IPDM E/R harness connector and ground.

Nissan Maxima. CHECK IGNITION RELAY-1 SIGNAL

Nissan Maxima. CHECK IGNITION RELAY-1 SIGNAL

  1. Turn ignition switch ON.
  2. Check voltage between IPDM E/R harness connector and ground.

Nissan Maxima. CHECK IGNITION RELAY-1 SIGNAL

    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 ...

    B2614 ACC relay circuit
    Description BCM controls the various electrical components and simultaneously supplies power according to the power supply position. BCM checks the power supply position internally. DTC Logic ...

    Other materials:

    Settings
    The setting mode allows you to change the information displayed in the vehicle information display as well as the model for several vehicle functions: Driver Assistance Customize Display Vehicle Settings Maintenance Clock TPMS Settings Unit/Language Key-Linked Settings Factory ...

    Rear view monitor system
    System Diagram System Description When the shift selector is in the R position, the display shows a view to the rear of the vehicle. Lines which indicate the vehicle clearance and distances are also displayed. Component Parts Location Tweeter LH M143 Tweeter RH M144 AV control ...

    P0182, P0183 FTT sensor
    Description The fuel tank temperature sensor is used to detect the fuel temperature inside the fuel tank. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the fuel temperature input. The sensor uses a thermistor which is sensitive to the chang ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0065