Door Key Cylinder Switch Check

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
With CONSULT-II
- Check door key cylinder switch ("KEY CYL LK SW") in "DATA MONITOR" mode with CONSULT-II.
  "KEY CYL LK-SW" should be "ON" when key inserted in door key cylinder is turned to lock.
- Check door key cylinder switch ("KEY CYL UN-SW") in "DATA MONITOR" mode with CONSULT-II.
  "KEY CYL UN-SW" should be "ON" when key inserted in door key cylinder is turned to unlock.
  
  Fig 1: CONSULT-II Data Monitor Display
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II

Check voltage between power window main switch (door lock and unlock switch) connector and ground.

Fig 2: Power Window Main Switch Connector And Ground Voltage Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Voltage Between Power Window Main Switch (Door Lock And Unlock Switch) Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Further inspection is necessary. Refer to symptom chart.
2. NG: GO TO 2.
CHECK DOOR KEY CYLINDER SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window main switch (door lock and unlock switch) and door key cylinder switch connector.
3. Check continuity between power window main switch (door lock and unlock switch) connector D7 terminals 4, 6 and door key cylinder switch connector D12 terminals 1, 3.
  4 (R/W) - 1 (R/W): Continuity should exist.
  
  6 (L/W) - 3 (L/W): Continuity should exist.
4. Check continuity between power window main switch (door lock and unlock switch) connector D7 terminals 4, 6 and ground.
  4 (R/W) - Ground: Continuity should not exist.
  
  6 (L/W) - Ground: Continuity should not exist.
  
  Fig 4: Checking Continuity Between Power Window Main Switch Connector And Door Key Cylinder Switch Connector
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace harness between power window main switch and door key cylinder switch.
CHECK DOOR KEY CYLINDER SWITCH GROUND CHECK
Check continuity between door key cylinder switch connector D12 terminal 2 and ground.

2 (B) - Ground: Continuity should exist.

OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness.
  
  Fig 5: Checking Continuity Between Door Key Cylinder Switch Connector D12 Terminal 2 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DOOR KEY CYLINDER SWITCH
Check continuity between door key cylinder switch terminals 1, 3 and 2.

Fig 6: Door Key Cylinder Switch Terminals 1, 3 And 2 Continuity Table
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Further inspection is necessary. Refer to symptom chart.
2. NG: Replace door key cylinder switch.
  
  Fig 7: Checking Continuity Between Door Key Cylinder Switch Terminals 1, 3 And 2
  Courtesy of NISSAN MOTOR CO., U.S.A.