Check Door Switch (Except Back Door Switch)

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR SWITCH INPUT SIGNAL
1. Turn ignition knob LOCK position.
2. Check voltage between BCM connector and ground.
Fig 1: Connector Terminal Reference Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Door switch circuit is OK.
2. NG : GO TO 2.
Fig 2: Checking Voltage Between BCM Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DOOR SWITCH CIRCUIT
1. Disconnect door switch and BCM connector.
2. Check continuity between door switch connector B26, B36, B46, B206 terminals 1 and BCM connector M3, B14 terminals 62, 12, 63, 13.
  1. Driver side door 1 (W) -62 (W) : Continuity should exist.
  2. Passenger side door 1 (SB) - 12 (P/B) : Continuity should exist.
  3. Rear door LH 1 (P) - 63 (P) : Continuity should exist.
  4. Rear door RH 1 (P) - 13 (P/L) : Continuity should exist.
3. Check continuity between door switch connector B26, B36, B46, B206 terminal 1 and ground.
  1. 1 (W, SB, P) - Ground : Continuity should not exist.
OK or NG
1. OK : GO TO 3.
2. NG : Repair or replace harness.
Fig 3: Checking Door Switch Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DOOR SWITCH
Check continuity between door switch terminal 1 and ground part of door switch.

Fig 4: Connector Terminal Reference Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Check door switch case ground condition.
2. NG : Replace door switch.
Fig 5: Checking Continuity Between Door Switch Terminal 1 And Ground Part Of Door Switch
Courtesy of NISSAN MOTOR CO., U.S.A.