2002 Infiniti Q45FACTORY OEM SERVICE PROCEDURE

Multi-Remote Control Receiver Check

  1. CHECK MULTI-REMOTE CONTROL RECEIVER HARNESS 
    1. Remove electronic key from ignition key cylinder.
    2. Disconnect multi-remote control receiver and BCM connector.
    3. Check continuity between multi-remote control receiver harness connector B246 terminals 1 (Y), 2(BR/W), 4(L) and BCM harness connector M4 terminals 27 (BR/W), 28(L), 44(Y).
      1. 1(Y) - 44(Y) :Continuity should exist. 
      2. 2(BR/W) - 27(BR/W) :Continuity should exist. 
      3. 3(L) - 28(L) :Continuity should exist. 
    4. Check continuity between multi-remote control receiver harness connector B246 terminals 1 (Y), 2 (BR/W), 4 (L) and body ground.
      1. : Continuity should not exist. 

    OK or NG? 

    1. OK >> GO TO 2.
    2. NG >> Repair or replace harness.
    Fig 1: Checking Multi-Remote Control Receiver Harness
    G02018117Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK MULTI-REMOTE CONTROL RECEIVER GROUND CIRCUIT 
    1. Connect BCM control unit connector.
    2. Check continuity between multi-remote control receiver harness connector B246 terminal 1(Y) and body ground.

      : Continuity should exist. 

    OK or NG? 

    1. OK >> GO TO 3.
    2. NG >> Repair or replace harness.
    Fig 2: Checking Multi-Remote Control Receiver Ground Circuit
    G02018118Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK MULTI-REMOTE CONTROL RECEIVER POWER SUPPLY CIRCUIT 
    1. Connect multi-remote control receiver connector.
    2. Check the voltage between multi-remote control receiver harness connector B246 terminal 4(L) and body ground.
    Fig 3: Multi-Remote Control Receiver Harness Connector B246 Terminal 4(L) And Body Ground Voltage
    G02018119Courtesy of NISSAN MOTOR CO., U.S.A.
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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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