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Home >> Infiniti >> 2010 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 268 (Power Control System) >> Power Distribution System >> DTC/Circuit Diagnosis >> DTC B26F2: Ignition Relay >> Diagnosis Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Juke. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK IPDM E/R SELF-DIAGNOSTIC RESULT
    1. Turn ignition switch ON.
    2. Erase the DTC of IPDM E/R.
    3. Turn ignition switch OFF.
    4. Turn ignition switch ON and check the DTC again.

      Is DTC detected? 

      YES: Repair or replace the malfunctioning part. Refer to , "DTC INDEX ".

      NO: GO TO 2.

  2. CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL
    1. Turn ignition switch OFF.
    2. Check voltage between IPDM E/R harness connector and ground.
      CONNECTOR TERMINALS VOLTAGE REFERENCE CHART

      (+) (-) Condition Voltage (V) (Approx.)
      IPDM E/R
      Connector Terminal
      E17 68 Ground Ignition switch OFF or ACC 12

      Is the inspection result normal? 

      YES: Replace IPDM E/R.

      NO: GO TO 3.

  3. CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT - 1
    1. Turn ignition switch OFF.
    2. Disconnect BCM and IPDM E/R connectors.
    3. Check continuity between IPDM E/R harness connector and ground.
      CONNECTOR TERMINALS CONTINUITY REFERENCE CHART

      IPDM E/R Ground Continuity
      Connector Terminal
      E17 68 Not existed

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: Repair or replace harness.

  4. CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT - 2
    1. Connect IPDM E/R connectors.
    2. Check voltage between IPDM E/R harness connector and ground.
      CONNECTOR TERMINALS VOLTAGE REFERENCE CHART

      (+) (-) Condition Voltage (V) (Approx.)
      IPDM E/R
      Connector Terminal
      E17 68 Ground Ignition switch OFF or ACC 12

      Is the inspection result normal? 

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

      NO: Replace IPDM E/R.