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Home >> Infiniti >> 2013 >> FX37 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Automatic Transmission) >> DTC/Circuit Diagnosis >> DTC P0615: Starter Relay >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK STARTER RELAY SIGNAL 
    1. Turn ignition switch ON.
    2. Check voltage between IPDM E/R connector terminal and ground.
      IPDM E/R connector Ground Condition Voltage (Approx.)
      Connector Terminal
      E5 30 Selector lever in "P" and "N" positions. Battery voltage
      Selector lever in other positions. 0 V

      Is the inspection result normal? 

      YES: Check starter relay circuit. Refer to "WIRING DIAGRAM - STARTING SYSTEM - ".

      NO: GO TO 2.

  2. CHECK HARNESS BETWEEN A/T ASSEMBLY AND IPDM E/R (PART 1) 
    1. Turn ignition switch OFF.
    2. Disconnect A/T assembly connector and IPDM E/R connector.
    3. Check the continuity between A/T assembly vehicle side harness connector terminal and IPDM E/R vehicle side harness connector terminal.
      A/T assembly vehicle side harness connector IPDM E/R vehicle side harness connector Continuity
      Connector Terminal Connector Terminal
      F51 9 E5 30 Existed

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace damaged parts.

  3. CHECK HARNESS BETWEEN A/T ASSEMBLY AND IPDM E/R (PART 2) 

    Check the continuity between A/T assembly vehicle side harness connector terminal and ground.

    A/T assembly vehicle side harness connector Ground Continuity
    Connector Terminal
    F51 9 Not existed

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair or replace damaged parts.

  4. CHECK JOINT CONNECTOR 
    1. Remove joint connector. Refer to "EXPLODED VIEW ".
    2. Check the continuity between joint connector terminals.
      A/T assembly harness connector side TCM harness connector side Continuity
      Terminal Terminal
      9 9 Existed

      Is the inspection result normal? 

      YES: GO TO 5.

      NO: Repair or replace damaged parts.

  5. CHECK INTERMITTENT INCIDENT 

    Refer to "INTERMITTENT INCIDENT ".

    Is the inspection result normal? 

    YES: Replace control valve & TCM. Refer to "EXPLODED VIEW ".

    NO: Repair or replace damaged parts.