Door Key Cylinder Switch Check

WARNING: This page is about a different car, the 2005 Nissan 350Z. 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.
  Fig 1: Scan Tool Display "Data Monitor KEY CYL LK-SW"
  Courtesy of NISSAN MOTOR CO., U.S.A.
- 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 2: Scan Tool Display "Data Monitor KEY CYL UN-SW "
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 3: Power Window Main Switch (Door Lock & Unlock Switch) Connector Terminals 6, 7 & Ground Voltage Specifications Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Power Window Main Switch (Door Lock & Unlock Switch) Connector Terminals 6, 7 & Ground Voltage Test
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK : Further inspection is necessary. Refer to SYMPTOM CHART .
- 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) harness connector D7 terminals 6, 7 and door key cylinder switch harness connector D12 terminals 1, 3.
  - 6 (R) - 3 (R) : Continuity should exist.
  - 7 (SB) - 1 (SB) : Continuity should exist.
OK or NG
- OK : GO TO 3.
- NG : Repair or replace harness between power window main switch and door key cylinder switch.
Fig 5: Power Window Main Switch (Door Lock And Unlock Switch) Harness Connector Terminals 6, 7 & Door Key Cylinder Switch Harness Connector Terminals 1, 3 Continuity Test
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between door key cylinder switch harness connector D12 terminal 2 and ground.
- 2 (B) - Ground : Continuity should exist.
OK or NG
- OK : GO TO 4.
- NG : Repair or replace harness.
Fig 6: Door Key Cylinder Switch Harness Connector D12 Terminal 2 & Ground Continuity Test
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 7: Door Key Cylinder Switch Terminals 1, 3 & 2 Continuity Specifications Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 8: Door Key Cylinder Switch Terminals 1, 3 & 2 Continuity Test
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK : Further inspection is necessary. Refer to SYMPTOM CHART .
- NG : Replace door key cylinder switch.