Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

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

CHECK REAR POWER VENT WINDOW RELAY (OPEN) POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect rear power vent window relay (OPEN).
Turn ignition switch ON.

Check voltage between rear power vent window relay (OPEN) connector and ground.

Connector	Terminals		Voltage (V) (Approx.)
Connector	(+)	(-)	Voltage (V) (Approx.)
M87	1	Ground	Battery voltage
M87	5	Ground	Battery voltage

Fig 1: Checking Voltage Between Rear Power Vent Window Relay Connector And Ground

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: GO TO 2

NO: Repair or replace harness.

CHECK REAR POWER VENT WINDOW RELAY (OPEN)

Check continuity between rear power vent window relay (OPEN) terminals 3 and 4, 3 and 5.

Terminals		Condition	Continuity
3	4	12V direct current supply between terminals 1 and 2	No
3	4	No current supply	Yes
3	5	12V direct current supply between terminals 1 and 2	Yes
3	5	No current supply	No

Fig 2: Checking Continuity Between Rear Power Vent Window Relay Terminals 3 And 4, 3 And 5

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: GO TO 3

NO: Replace rear power vent window relay (OPEN).

CHECK REAR POWER VENT WINDOW RELAY (OPEN) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear power vent window relay (OPEN) connector M87 terminal 4 and ground.
  4 - Ground: Continuity should exist.
  
  Fig 3: Checking Continuity Between Rear Power Vent Window Relay Connector M87 Terminal 4 And Ground
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection result normal?
  
  YES: GO TO 4
  
  NO: Repair or replace harness.
CHECK REAR POWER VENT WINDOW RELAY (OPEN) CIRCUIT
1. Disconnect rear power vent window switch.
2. Check continuity between rear power vent window relay (OPEN) connector M87 terminal 2 and rear power vent window switch connector M95 terminal 3.
  2 - 3: Continuity should exist.
  
  Fig 4: Checking Continuity Between Rear Power Vent Window Relay Connector M87 Terminal 2 And Rear Power Vent Window Switch Connector M95 Terminal 3
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection result normal?
  
  YES: Replace rear power vent window switch. Refer to "REMOVAL AND INSTALLATION ".
  
  NO: Repair or replace harness.