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Home >> Infiniti >> 2012 >> EX35 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Power Control System) >> Power Distribution System >> Component Diagnosis >> DTC B2616: Ignition Relay Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK IGNITION RELAY POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect ignition relay.
    3. Check voltage between ignition relay harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      (+) (-) Condition Voltage (V) (Approx.)
      Ignition relay
      Terminal
      1 Ground Ignition switch OFF or ACC 0
      ON Battery voltage

    Is the inspection result normal? 

    YES: GO TO  3.

    NO: GO TO  2.

  2. CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector.
    3. Check continuity between ignition relay harness connector and BCM harness connector.
      TERMINALS CONTINUITY REFERENCE

      Ignition relay BCM Continuity
      Terminal Connector Terminal
      1 M122 82 Existed
    4. Check continuity between ignition relay harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      Ignition relay Ground Continuity
      Terminal
      1 Not existed

    Is the inspection result normal? 

    YES: Replace BCM. Refer to REMOVAL AND INSTALLATION .

    NO: Repair or replace harness or connector.

  3. CHECK IGNITION RELAY GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Check continuity between ignition relay harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      Ignition relay Ground Continuity
      Terminal
      2 Existed

    Is the inspection result normal? 

    YES: GO TO  4.

    NO: Repair ignition relay ground circuit.

  4. CHECK IGNITION RELAY 

    Refer to COMPONENT INSPECTION  .

    Is the inspection result normal? 

    YES: GO TO  5.

    NO: Replace ignition relay.

  5. CHECK INTERMITTENT INCIDENT 

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END