A/T Device (Park Switch) Circuit Inspection

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

CHECK FUNCTION
With CONSULT-II

Check that when the A/T shift lever is in P position, "DETENT SW" on the DATA MONITOR becomes OFF.

Fig 1: Monitor Item Contents Chart - DETENT SW
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: CONSULT-II Display - DATA MONITOR
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

GO TO 2.

OK or NG
- OK : A/T device (park switch) circuit is OK.
- NG : GO TO 2.
CHECK A/T DEVICE (PARK SWITCH) HARNESS
1. Turn ignition switch OFF.
2. Disconnect A/T device and driver seat control unit.
3. Check continuity between A/T device (park switch) connector M34 terminal 7 and driver seat control unit connector P2 terminal 21.
  7 (G/Y) - 21 (G/Y) : Continuity should exist.
  
  Fig 3: Checking Continuity Between A/T Device (Park Switch) Connector M34 Terminal 7 And Driver Seat Control Unit Connector P2 Terminal 21
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between A/T device (park switch) connector M57 terminal 5 and ground.
  7 (G/Y) - Ground : Continuity should not exist.
OK or NG
- OK : GO TO 3.
- NG : Repair or replace harness.
CHECK A/T DEVICE (PARK SWITCH)
Check continuity between A/T device (park switch) as follows.

Fig 4: A/T Device (Park Switch) Connector M34 Terminal Continuity Reference Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Continuity Between A/T Device (Park Switch) Connector Terminals 6 & 7
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK : A/T device is OK.
- NG : Replace A/T device.