Nissan Murano: Dtc/circuit Diagnosis / Push-Button Ignition Switch Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Electrical & Power Control / Power Control System :: Power Distribution System / Dtc/circuit Diagnosis / Push-Button Ignition Switch Circuit

Component Function Check

CHECK FUNCTION

CONSULT

  1. Select “PUSH SW” in “Data Monitor” mode of “BCM(INTELLIGENT KEY)".

  2. Check the push-button ignition switch signal under the following conditions:

Test item Condition Status
PUSH SW Push-button ignition switch is pressed On
Push-button ignition switch is not pressed Off

Is the indication normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL (PUSH-BUTTON IGNITION SWITCH)

  1. Ignition switch OFF.

  2. Disconnect push-button ignition switch connector and IPDM E/R connector.

  3. Check voltage between push-button ignition switch harness connector and ground.

    Push-button ignition switch —

    Voltage

    (Approx.)
    Connector Terminal
    M208 8 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)

  1. Disconnect BCM connector.

  2. Check continuity between BCM harness connector and push-button ignition switch harness connector.

    BCM Push-button ignition switch Continuity
    Connector Terminal Connector Terminal
    M18 1 M208 8 Yes

  3. Check continuity between BCM harness connector and ground.

    BCM — Continuity
    Connector Terminal
    M18 1 Ground No

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Repair or replace harness or connectors.

CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)

Check voltage between IPDM E/R harness connector and ground.

IPDM E/R —

Voltage

(Approx.)
Connector Terminal
E119 38 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 4.

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

  1. Disconnect BCM connector.

  2. Check continuity between IPDM E/R harness connector and BCM harness connector.

    IPDM E/R BCM Continuity
    Connector Terminal Connector Terminal
    E119 38 M18 1 Yes

  3. Check continuity between IPDM E/R harness connector and ground.

    IPDM E/R — Continuity
    Connector Terminal
    E119 38 Ground No

Is the inspection result normal?

YES>>

Replace IPDM E/R. Refer to Removal and Installation.

NO>>

Repair or replace harness or connectors.

CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT

Check continuity between push-button ignition switch harness connector and ground.

Push-button ignition switch — Continuity
Connector Terminal
M208 4 Ground Yes

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace harness or connectors.

CHECK PUSH-BUTTON IGNITION SWITCH

Refer to Component Inspection.

Is the inspection result normal?

YES>>

Refer to Intermittent Incident.

NO>>

Replace push-button ignition switch. Refer to Removal and Installation.

Component Inspection

CHECK PUSH-BUTTON IGNITION SWITCH

  1. Ignition switch OFF.

  2. Disconnect push-button ignition switch connector.

  3. Check continuity between push-button ignition switch terminals.

    Push-button ignition switch Condition Continuity
    Terminals
    4 8 Pressed Yes
    Not pressed No

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace push-button ignition switch. Refer to Removal and Installation.

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