Detention Switch Circuit Inspection

WARNING: This page is about a different car, the 2004 Infiniti M45. 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 selector lever is in "P" position, "DETENT SW" on the DATA MONITOR becomes ON.

Fig 1: Checking Function
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: View Of CONSULT-II Screen
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Carry out "SWITCH MONITOR" in the self-diagnosis function, and operate the A/T selector lever to check. Refer to SWITCH MONITOR .

OK or NG
1. OK: System is OK.
2. NG: GO TO 2.
CHECK DETENTION SWITCH POWER SUPPLY CIRCUIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect A/T device (detention switch) connector and "key switch and key lock solenoid" connector.
3. Check continuity harness between A/T device (detention switch) connector M97 terminal 6 (PU/W) and key switch and key lock solenoid connector M64 terminal 4 (PU/W).
  6 (PU/W) - 4 (PU/W): Continuity should exist.
4. Check continuity harness between A/T device (detention switch) connector M97 terminal 6 (PU/W) and body ground.
  6 (PU/W) - Ground: Continuity should not exist.
  
  Fig 3: Checking Detention Switch Power Supply Circuit Harness
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace harness between A/T device (detention switch) and key switch and key lock solenoid.
CHECK DETENTION SWITCH
Check continuity between detection switch.

Fig 4: Checking Detention Switch (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Detention Switch (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 4.
2. NG: Replace detention switch.
CHECK DETENTION SWITCH SIGNAL HARNESS
1. Disconnect BCM connector.
2. Check continuity between BCM connector M4 terminal 8 (G/OR) and A/T device (detention switch) connector M97 terminal 7 (G/OR).
  8 (G/OR) - 7 (G/OR): Continuity should exist.
3. Check continuity harness between BCM connector M4 terminal 8 (G/OR) and body ground.
  8 (G/OR) - Ground: Continuity should not exist.
  
  Fig 6: Checking Detention Switch Signal Harness
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace BCM.
2. NG: Repair or replace harnesses between BCM and A/T device (detention switch).