BACK DOOR REQUEST SWITCH: Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK BACK DOOR REQUEST SWITCH

   With CONSULT 

   Check back door request switch "BD/TR REQ SW" in "DATA MONITOR" mode.

   Monitor Item	Condition
   BD/TR REQ SW	Back door request switch is pressed: ON
   	Back door request switch is released: OFF

   Without CONSULT 

   1. Turn ignition switch OFF.
   2. Check voltage between Intelligent Key unit harness connector M164 terminal 29 and ground.

   Connector	Item	Terminals		Condition	Voltage (V) (Approx.)
   		(+)	(-)
   M164	Back door request switch	29	Ground	Back door request switch is pressed ↓ Back door request switch is released	0 ↓ 5

   Fig 1: Checking Voltage Between Intelligent Key Unit Harness Connector M164 Terminal 29 And Ground

   Courtesy of NISSAN NORTH AMERICA, INC.

   Is the inspection result normal? 

   YES: Back door request switch is OK.

   NO: GO TO 2

2. CHECK BACK DOOR REQUEST SWITCH CIRCUIT
   1. Turn ignition switch OFF.
   2. Disconnect Intelligent Key unit and back door request switch connectors.
   3. Check continuity between Intelligent Key unit harness connector (A) M164 terminal 29 and back door request switch harness connector (B) D552 terminal 1.

      29 - 1: Continuity should exist  .

   4. Check continuity between Intelligent Key unit harness connector (A) M164 terminal 29 and ground.

      29 - Ground: Continuity should not exist  .

      Is the inspection result normal? 

      YES: GO TO 3

      NO: Repair or replace harness between Intelligent Key unit and back door request switch.

      Fig 2: Checking Continuity Between Intelligent Key Unit Harness Connector M164 And Back Door Request Switch Harness Connector D552 Terminals

      Courtesy of NISSAN NORTH AMERICA, INC.
3. CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT

   Check continuity between back door request switch harness connector D552 terminal 2 and ground.

   2 - Ground: Continuity should exist  .

   Is the inspection result normal? 

   YES: GO TO 4

   NO: Repair or replace back door request switch ground circuit.

   Fig 3: Checking Continuity Between Back Door Request Switch Harness Connector D552 Terminal 2 And Ground

   Courtesy of NISSAN NORTH AMERICA, INC.
4. CHECK BACK DOOR REQUEST SWITCH OPERATION

   Refer to "BACK DOOR REQUEST SWITCH: COMPONENT INSPECTION ".

   Is the inspection result normal? 

   YES: GO TO 5

   NO: Replace back door request switch.

5. CHECK BACK DOOR REQUEST SWITCH SIGNAL
   1. Connect Intelligent Key unit connector.
   2. Check voltage between Intelligent Key unit harness connector M164 terminal 29 and ground.

   Connector	Item	Terminals		Condition	Voltage (V) (Approx.)
   		(+)	(-)
   M164	back door request switch	29	Ground	Back door request switch is pressed ↓ Back door request switch is released	0 ↓ 5

   Fig 4: Checking Voltage Between Intelligent Key Unit Harness Connector M164 Terminal 29 And Ground

   Courtesy of NISSAN NORTH AMERICA, INC.

   Is the inspection result normal? 

   YES: Refer to "INTERMITTENT INCIDENT ".

   NO: Replace Intelligent Key unit. Refer to "REMOVAL AND INSTALLATION ".