Nissan Rogue (T33) 2021-Present Service Manual: Ignition Signal

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / Ignition Signal

Component Function Check

INSPECTION START

Turn ignition switch OFF, and restart engine.

Does the engine start?

YES-1>>

With CONSULT: GO TO 2.

YES-2>>

Without CONSULT: GO TO 3.

NO>>

Refer to Diagnosis Procedure.

CHECK IGNITION SIGNAL FUNCTION-1

With CONSULT

  1. Perform “POWER BALANCE” in “ACTIVE TEST” mode of “ENGINE” with CONSULT.

  2. Check that each circuit produces a momentary engine speed drop.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Refer to Diagnosis Procedure.

CHECK IGNITION SIGNAL FUNCTION-2

Without CONSULT

  1. Let engine idle.

  2. Read the voltage signal between ECM harness connector terminals with an oscilloscope.

    ECM Voltage signal
    + −
    Connector Terminal Connector Terminal
    F72 36 E21 160

    44
    36

    NOTE:

    The pulse cycle changes depending on rpm at idle.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK IGNITION COIL POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect ignition coil harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between ignition coil harness connector and ground.

    + − Voltage
    Ignition coil
    Cylinder Connector Terminal
    1 F47 3 Ground Battery voltage
    2 F46
    3 F48

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 2.

CHECK FUSE

  1. Turn ignition switch OFF.

  2. Pull out No. 79 fuse (15 A) and check that the fuse is not blowing.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace the fuse after repairing the applicable circuit.

CHECK IGNITION COIL POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect IPDM E/R harness connector.

  3. Check the continuity between IPDM E/R harness connector and ignition coil harness connector.

    Ignition coil IPDM E/R Continuity
    Cylinder Connector Terminal Connector Terminal
    1 F47 3 F35 66 Existed
    2 F46
    3 F48

  4. Check harness for short to ground and to power.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace error-detected parts.

CHECK IPDM E/R POWER SUPPLY AND GROUND CIRCUIT

Check IPDM E/R power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

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

NO>>

Repair or replace error-detected parts.

CHECK IGNITION COIL GROUND

  1. Turn ignition switch OFF.

  2. Check the continuity between ignition coil harness connector and ground.

    + − Continuity
    Ignition coil
    Cylinder Connector Terminal
    1 F47 2 Ground Existed
    2 F46
    3 F48

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace error-detected parts.

CHECK IGNITION SIGNAL CIRCUIT

  1. Disconnect ECM harness connector.

  2. Check the continuity between ignition coil harness connector and ECM harness connector.

    Ignition coil ECM Continuity
    Cylinder Connector Terminal Connector Terminal
    1 F47 1 F72 36 Existed
    2 F46 44
    3 F48 33

  3. Also check harness for short to ground and to power.

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair or replace error-detected parts.

CHECK IGNITION COIL WITH POWER TRANSISTOR

Check ignition coil with power transistor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Replace malfunctioning ignition coil with power transistor. Refer to Removal and Installation.

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