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Home >> Nissan-Datsun >> 2012 >> Cube Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System (With Intelligent Key System) >> DTC/Circuit Diagnosis >> DTC B26F4: Starter Control Relay >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK IPDM E/R INPUT SIGNAL
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R connector.
    3. Turn ignition switch ON.
    4. Check voltage between IPDM E/R harness connector and ground.
      (+) (-) Condition Voltage (V) (Approx.)
      IPDM E/R
      Connector Terminal
      E15 47 Ground Selector lever P or N position Battery voltage
      Other than above 0

      Is the inspection result normal? 

      YES >> Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

      NO >> GO TO 2.

  2. CHECK IPDM E/R INPUT SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector.
    3. Check continuity between BCM harness connector and IPDM E/R harness connector.
      BCM IPDM E/R Continuity
      Connector Terminal Connector Terminal
      M71 102 E15 47 Existed
    4. Check continuity between BCM harness connector and ground.
      BCM Ground Continuity
      Connector Terminal
      M71 102 Not existed

      Is the inspection result normal? 

      YES >> Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

      NO >> Repair or replace harness.

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