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:

    Bose speaker AMP\
    Removal and Installation Bose speaker amp. Screws REMOVAL NOTE: If removing the BOSE speaker amp. bracket, it is necessary to remove the parcel shelf finisher. The BOSE speaker amp. can be removed without removing the BOSE speaker amp. bracket. Disconnect the battery negativ ...

    Front fog lamp
    System Diagram System Description BCM (Body Control Module) controls front fog lamp operation. IPDM E/R (Intelligent Power Distribution Module Engine Room) operates front fog lamp according to CAN communication signals from BCM. Combination meter operates front fog lamp indicator accor ...

    Main line between hvac and ABS 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 loose connection (connector side and harness side). Harness connec ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2021 Copyright www.nimainfo.com
    0.0132