Automatic Door Main Switch System Inspection

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

AUTOMATIC DOOR MAIN SWITCH FUNCTION INSPECTION
Check automatic door main switch using switch operation.

OK or NG

OK: Automatic door main switch is OK.

NG: GO TO 2.
AUTOMATIC DOOR MAIN SWITCH POWER SUPPLY CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Check voltage between automatic door main switch connector R10 terminal 8 and ground.
  8 - Ground: Approx. battery voltage
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

Fig 1: Identifying Voltage Between Automatic Door Main Switch Connector R10 Terminal 8 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

AUTOMATIC DOOR MAIN SWITCH SIGNAL INSPECTION

While operating the automatic door main switch, check voltage between back door control unit connector B55 terminal 23 and ground.

TERMINALS VOLTAGE REFERENCE

Terminals		Measuring condition		Voltage (V) (Approx.)
( + )	( - )	Measuring condition		Voltage (V) (Approx.)
23	Ground	Automatic door main switch	ON	0
23	Ground	Automatic door main switch	OFF	5

OK or NG

OK: Switch is OK.

NG: GO TO 4.

Fig 2: Identifying Voltage Between Back Door Control Unit Connector B55 Terminal 23 And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

AUTOMATIC DOOR MAIN SWITCH CIRCUIT INSPECTION
1. Disconnect automatic door main switch and back door control unit.
2. Check continuity between automatic door main switch connector (B) R10 terminal 2 and back door control unit connector (A) B55 terminal 23.
  2 - 23: Continuity should exist.
3. Check continuity between automatic door main switch connector (B) R10 terminal 2 and ground.
  
  Fig 3: Identifying Continuity Between Automatic Door Main Switch Connector R10 Terminal 2 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  2 - Ground: Continuity should not exist.
OK or NG

OK: GO TO 5.

NG: Repair or replace harness.
AUTOMATIC DOOR MAIN SWITCH GROUND INSPECTION
Check continuity between automatic door main switch connector terminal 6 and ground.

6 - Ground: Continuity should exist.

OK or NG

OK: Replace the automatic door main switch.

NG: Repair or replace harness.

Fig 4: Identifying Continuity Between Automatic Door Main Switch Connector Terminal 6 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.