Nissan Maxima Service and Repair Manual: Power supply and ground circuit

Nissan Maxima Service and Repair Manual / Power outlet / Power control system / 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.

Nissan Maxima. CHECK FUSE AND FUSIBLE LINK

2. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect BCM.
  3. Check voltage between BCM harness connector and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

3. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

BCM : Special Repair Requirement

1. REQUIRED WORK WHEN REPLACING BCM

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Diagnosis Procedure

1. CHECK FUSES AND FUSIBLE LINK

Check that the following IPDM E/R fuses or fusible link are not blown.

Nissan Maxima. CHECK FUSES AND FUSIBLE LINK

2. CHECK POWER SUPPLY CIRCUIT

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

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

3. CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

Check continuity between IPDM E/R harness connectors and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR

Description

The switch that changes the power supply position.

BCM maintains the power supply position status.

BCM changes the power supply position with the operation of the push-button ignition switch.

Component Function Check

1. CHECK FUNCTION

With CONSULT

  1. Check push-button ignition switch ("LOCK INDICATOR","ACC INDICATOR" and "IGNITION ON IND") in Active Test Mode with CONSULT.

Nissan Maxima. CHECK FUNCTION

Diagnosis Procedure

1. CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL

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

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL

2. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT

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

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT

3. CHECK PUSH-BUTTON IGNITION SWITCH

4. CHECK INTERMITTENT INCIDENT

Component Inspection

1. CHECK PUSH-BUTTON IGNITION SWITCH

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH

Check push-button ignition switch.

Nissan Maxima. CHECK PUSH-BUTTON IGNITION SWITCH

    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 ...

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    Nissan Maxima Service and Repair Manual

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