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:

    Body side trim
    Exploded View Front pillar finisher Dash side lower finisher Front kicking plate Front sill cover Center pillar lower finisher Rear sill cover Rear kicking plate Rear body side welt Rear pillar finisher Screw cover Center pillar upper finisher Front seat belt adju ...

    Rear seat
    Exploded View - Fixed Seatback  Headrest  Headrest holder (free)  Headrest holder (locked)  Bumper  Seatback assembly  Seatback trim  Seatback pad  Seat cushion trim  Seat cush ...

    P0111 IAT sensor
    Description The intake air temperature sensor is built-into the mass air flow sensor (1). The sensor detects intake air temperature and transmits a signal to the ECM. The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance o ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2021 Copyright www.nimainfo.com
    0.0126