LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Security Control System (With Intelligent Key System) >> DTC/Circuit Diagnosis >> DTC B2605: Shift Position >> Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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
      E5 31 Ground Selector lever P or N position 12
      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 IPDM E/R harness connector and BCM harness connector.
      IPDM E/R BCM Continuity
      Connector Terminal Connector Terminal
      E5 31 M123 102 Existed
    4. Check continuity between IPDM E/R harness connector and ground.
      IPDM E/R Ground Continuity
      Connector Terminal
      E5 31 Not existed

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness.

  3. REPLACE BCM 
    1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

      : INSPECTION END

scientia non olet · About LEMON Manuals