Front Door Request Switch Check

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FRONT DOOR REQUEST SWITCH

With CONSULT-III

Check front door request switch ("DR REQ SW" or "AS REQ SW") in "DATA MONITOR" mode.

FRONT DOOR REQUEST SWITCH

Monitor item	Condition
DR REQ SW AS REQ SW	Front door request switch is pressed: ON
DR REQ SW AS REQ SW	Front door request switch is released: OFF

Without CONSULT-III

Turn ignition switch OFF.
Check voltage between Intelligent Key Unit harness connector M52 terminals 5, 25 and ground.

INTELLIGENT KEY UNIT HARNESS CONNECTOR M52 TERMINALS 5, 25 AND GROUND

Connector	Item	Terminals		Condition	Voltage (V) (Approx.)
Connector	Item	(+)	(-)	Condition	Voltage (V) (Approx.)
M52	Front door request switch LH	5	Ground	Door request switch is pressed ↓ Door request switch is released	0 ↓ Battery voltage
M52	Front door request switch RH	25	Ground		0 ↓ Battery voltage

Fig 1: Checking Voltage Between Intelligent Key Unit Harness Connector M52 Terminals 5, 25 And Ground

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

OK or NG

OK: Front door request switch is OK.

NG: GO TO 2.

CHECK FRONT DOOR REQUEST SWITCH OPERATION

Turn ignition switch OFF.
Disconnect front door request switch connector.
Check continuity between front door request switch terminals 1 and 2.

FRONT DOOR REQUEST SWITCH TERMINALS 1 AND 2

Component	Terminals		Condition	Continuity
Front door request switch (LH or RH)	1	2	Front door request switch is pressed	Yes
Front door request switch (LH or RH)	1	2	Front door request switch is released	No

Fig 2: Checking Continuity Between Front Door Request Switch Terminals 1 And 2

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

OK or NG

OK: GO TO 3.

NG: Replace front door request switch.

CHECK FRONT DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between front door request switch harness connector D62 (driver door), D162 (passenger door) terminal 2 and ground.

2 - Ground: Continuity should exist.

Fig 3: Checking Continuity Between Front Door Request Switch Harness Connector D62 Terminal 2 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 4.

NG: Repair or replace door request switch ground circuit.
CHECK FRONT DOOR REQUEST SWITCH CIRCUIT
1. Disconnect Intelligent Key Unit connector.
2. Check continuity between Intelligent Key Unit harness connector (A) M52 terminals 5 (driver door), 25 (passenger door) and front door request switch harness connector (B) D62 (LH), D162 (RH) terminal 1.
  Driver side 5 - 1: Continuity should exist.
  
  Passenger side 25 - 1: Continuity should exist.
3. Check continuity between front door request switch harness connector D62 (driver door), D162 (passenger door), terminal 1 and ground.
  1 - Ground: Continuity should not exist.
  
  Fig 4: Checking Front Door Request Switch Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  OK or NG
OK: GO TO 5.

NG: Repair or replace harness between Intelligent Key Unit and front door request switch.
CHECK FRONT DOOR REQUEST SWITCH SIGNAL
1. Connect Intelligent Key Unit connector.
2. Check voltage between front door request switch harness connector D62 (driver door), D162 (passenger door) terminal 1 and ground.
  Driver side 1 - Ground: Battery voltage
  
  Passenger side 1 - Ground: Battery voltage
Fig 5: Checking Voltage Between Front Door Request Switch Harness Connector D62 (Driver Door) Terminal 1 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Check condition of harness and connector.

NG: Replace Intelligent Key Unit. Refer to "REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT ".