Nissan Maxima Service and Repair Manual: B261A push-button ignition switch

Description

IPDM E/R transmits the push-button ignition switch status via CAN communication to BCM. BCM receives push-button ignition switch status by hardwire input. BCM compares the 2 signals for mismatch.

DTC Logic

DTC DETECTION LOGIC

NOTE:

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

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

  1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.
  • CVT selector lever is in the P position
  • Do not depress brake pedal.
  1. Check "Self diagnostic result" with CONSULT.

Diagnosis Procedure

1. CHECK PUSH-BUTTON IGNITION SWITCH OPERATION

Press push-button ignition switch and check if it turns to ON.

2. CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)

Nissan Maxima. CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)

  1. Turn ignition switch OFF.
  2. Disconnect push-button ignition switch.
  3. Check voltage between IPDM E/R harness connector and ground.

Nissan Maxima. CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)

3. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)

  1. Disconnect IPDM E/R and BCM.
  2. Check continuity between IPDM E/R harness connector (A) and push-button ignition switch harness connector (B).
  3. Check continuity between IPDM E/R harness connector and ground.

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)

4. CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)

  1. Disconnect push-button ignition switch.
  2. Check voltage between BCM harness connector and ground.

Nissan Maxima. CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)

5. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)

  1. Disconnect BCM and IPDM E/R.
  2. Check continuity between BCM harness connector and push-button ignition switch harness connector.
  3. Check continuity between BCM harness connector and ground.

Nissan Maxima.  CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)

Nissan Maxima.  CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)

    B2618 BCM
    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 ...

    Power supply and ground circuit
    BCM BCM : Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blown. 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnec ...

    Other materials:

    Exit assist function
    EXIT ASSIST FUNCTION : System Diagram EXIT ASSIST FUNCTION : System Description OUTLINE When exiting, if the conditions are satisfied, the seat is moved backward from normal sitting position and the steering column is moved up. The seat slide amount at entry/exit operation can be changed ...

    Unit disassembly and assembly
    DOOR MIRROR Exploded View Door mirror glass Actuator assembly Door mirror assembly Disassembly Turn the door mirror glass surface upward. Pull from the bottom to disengage lower clips Lift to disengage the upper mirror hooks (A). Disconnect the harness connect ...

    ABS 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 ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side). ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0133