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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 B2614: Acc Relay >> Diagnosis Procedure

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 ACCESSORY RELAY POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect accessory relay.
    3. Check voltage between accessory relay harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

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

    Is the inspection result normal? 

    YES: GO TO  3.

    NO: GO TO  2.

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

      Accessory relay BCM Continuity
      Terminal Connector Terminal
      1 M122 95 Existed
    4. Check continuity between accessory relay harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      Accessory 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 ACCESSORY RELAY GROUND CIRCUIT 

    Check continuity between accessory relay harness connector and ground.

    TERMINALS CONTINUITY REFERENCE

    Accessory relay Ground Continuity
    Terminal
    2 Existed

    Is the inspection result normal? 

    YES: GO TO  4.

    NO: Repair accessory relay ground circuit.

  4. CHECK ACCESSORY RELAY 

    Refer to COMPONENT INSPECTION  .

    Is the inspection result normal? 

    YES: GO TO  5.

    NO: Replace accessory relay.

  5. CHECK INTERMITTENT INCIDENT 

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END



  1. CHECK ACCESSORY RELAY POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect accessory relay.
    3. Check voltage between accessory relay harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

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

    Is the inspection result normal? 

    YES: GO TO  3.

    NO: GO TO  2.

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

      Accessory relay BCM Continuity
      Terminal Connector Terminal
      1 M122 95 Existed
    4. Check continuity between accessory relay harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      Accessory 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 ACCESSORY RELAY GROUND CIRCUIT 

    Check continuity between accessory relay harness connector and ground.

    TERMINALS CONTINUITY REFERENCE

    Accessory relay Ground Continuity
    Terminal
    2 Existed

    Is the inspection result normal? 

    YES: GO TO  4.

    NO: Repair accessory relay ground circuit.

  4. CHECK ACCESSORY RELAY 

    Refer to COMPONENT INSPECTION  .

    Is the inspection result normal? 

    YES: GO TO  5.

    NO: Replace accessory relay.

  5. CHECK INTERMITTENT INCIDENT 

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END

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