Check Door Request Switch

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR REQUEST SWITCH
With CONSULT-III

Display "DR REQ SW" (driver door), "AS REQ SW" (passenger door) and "BD/TR REQ SW" (back door) on DATA MONITOR screen, and check if ON-OFF display is linked to door request switch operation.

Press door request switch. : ON

Release door request switch. : OFF

OK or NG

OK: Door request switch is OK.

NG: GO TO 2.
CHECK DOOR REQUEST SWITCH SIGNAL
1. Turn ignition knob LOCK position.
2. Disconnect door request switch connector.
3. Check voltage between door request switch connector D12 (driver door), D42 (passenger door), D113 (back door) terminal 1 and ground.
  Driver 1 (SB) - Ground : Approx. 5V
  
  Passenger 1 (GY) - Ground : Approx. 5V
  
  Back door 1 (GY) - Ground : Approx. 5V
  
  Fig 1: Identifying Voltage Between Door Request Switch Connector D12, D42, D113 Terminal 1 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 3.

NG: GO TO 5.

CHECK DOOR REQUEST SWITCH OPERATION

Check continuity between door request switch D12 (driver door), D42 (passenger door), D113 (back door) terminals 1 and 2.

Fig 2: Identifying Continuity Between Door Request Switch Terminals 1 And 2

Courtesy of NISSAN MOTOR CO., U.S.A.

DOOR REQUEST SWITCH OPERATION

Terminal		Condition	Continuity
1	2	Press door request switch	Yes
1	2	Return door request switch	No

OK or NG

OK: GO TO 4.

NG: Replace door request switch.

CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between door request switch connector D12 (driver side), D42 (passenger side), D113 (back door) terminal 2 (B) and ground.

2 (B) - Ground : Continuity should exist.

OK or NG

OK: Check harness connection.

NG: Repair or replace door request switch ground circuit.

Fig 3: Identifying Continuity Between Door Request Switch Connector D12, D39, D108 Terminal 2 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminals 5 (driver door), 25 (passenger door), and 29 (back door) and door request switch connector D12 (driver door), D42 (passenger door), D113 (back door) terminal 1.
  Driver 5 (W/L) - 1 (SB) : Continuity should exist.
  
  Passenger 25 (W/R) - 1 (GY) : Continuity should exist.
  
  Back door 29 (GY) - 1 (GY) : Continuity should exist.
3. Check continuity between door request switch connector D12 (driver door), D42 (passenger door), D113 (back door) terminal 1 and ground.
  1 - Ground : Continuity should not exist.
  
  Fig 4: Identifying Door Request Switch Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: Replace Intelligent Key unit.

NG: Repair or replace harness between Intelligent Key unit and door request switch.