Check Remote Keyless Entry Receiver

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY CIRCUIT
1. Remove electronic key from ignition key cylinder.
2. Disconnect remote keyless entry receiver connector.
3. Check the voltage between remote keyless entry receiver connector B26 terminal 4 (L) and ground.
  
  Fig 1: Checking Remote Keyless Entry Receiver Power Supply Circuit (1 Of 2)
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Remote Keyless Entry Receiver Power Supply Circuit (2 Of 2)
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: GO TO 5.
CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Connect remote keyless entry receiver connector.
2. Check the voltage between remove keyless entry receiver connector B26 terminal 2 (BR/W) and ground.
  
  Fig 3: Checking Remote Keyless Entry Receiver Output Signal (1 Of 2)
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 4: Checking Remote Keyless Entry Receiver Output Signal (2 Of 2)
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: GO TO 4.
CHECK REMOTE KEYLESS ENTRY RECEIVER HARNESS
1. Disconnect BCM and remote keyless entry receiver connector.
2. Check continuity between BCM connector M4 terminal 44 (Y) and remote keyless entry receiver connector B26 terminal 1 (Y).
  
  Fig 5: Checking Remote Keyless Entry Receiver Harness
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  44 (Y) - 1 (Y): Continuity should exist.
3. Check continuity between BCM connector M4 terminal 44 (Y) and ground.
  44 (Y) - Ground: Continuity should not exist.
OK or NG
1. OK: Remote keyless entry receiver circuit is OK.
2. NG: Repair or replace harness.
CHECK REMOTE KEYLESS ENTRY RECEIVER HARNESS
1. Disconnect BCM and remote keyless entry receiver connector.
2. Check continuity between BCM connector M4 terminal 27 (BR/W) and remote keyless entry receiver connector B26 terminal 2 (BR/W).
  27 (BR/W) - 2 (BR/W): Continuity should exist.
3. Check continuity between BCM connector M4 terminal 27 (BR/W) and ground.
  27 (BR/W) - Ground: Continuity should not exist.
  
  Fig 6: Checking Remote Keyless Entry Receiver Harness
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace remote keyless entry receiver.
2. NG: Repair or replace harness.
CHECK REMOTE KEYLESS ENTRY RECEIVER HARNESS
1. Disconnect BCM and remote keyless entry receiver connector.
2. Check continuity between BCM connector M4 terminal 28 (L) and remote keyless entry connector B26 terminal 4 (L).
  
  Fig 7: Checking Remote Keyless Entry Receiver Harness
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  28 (L) - 4 (L): Continuity should exist.
3. Check continuity between BCM connector M4 terminal 28 (L) and ground.
  28 (L) - Ground: Continuity should not exist.
OK or NG
1. OK: Replace BCM.
2. NG: Repair or replace harness.