Rear Power Window Regulator (LH) Circuit Check

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK REAR POWER WINDOW SWITCH (LH) OUTPUT SIGNAL

Turn ignition switch OFF.
Disconnect rear power window regulator (LH).
Turn ignition switch ON.
Check voltage between rear power window switch (LH) connector D52 terminals 1 and 2 and ground.

CONNECTOR TERMINAL VOLTAGE

Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
D52	1 (G)	Ground	Closing	0
	1 (G)		Opening	Battery voltage
	2 (L)		Closing	Battery voltage
	2 (L)		Opening	0

OK or NG

OK : Replace rear power window motor (LH).
NG : GO TO 2.

Fig 1: Checking Voltage Between Rear Power Window Switch (LH) Connector D52 Terminals 1 And 2 And Ground

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

CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect rear power window switch (LH) connector.
3. Check continuity between rear power window switch (LH) connector D55 terminal 4, 5 and rear power window regulator (LH) connector D52 terminals 1, 2.
  1. 4 (G) - 1 (G) : Continuity should exist.
  2. 5 (L) - 2 (L) : Continuity should exist.
OK or NG
1. OK : GO TO 3.
2. NG : Repair or replace harness between rear power window switch (LH) and rear power window regulator (LH).
Fig 2: Checking Continuity Between Rear Power Window Switch (LH) Connector D55 Terminal 4, 5 And Rear Power Window Regulator (LH) Connector D52 Terminals 1, 2
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK REAR POWER WINDOW SWITCH (LH) POWER SUPPLY
1. Connect rear power window switch (LH) connector.
2. Turn ignition switch ON.
3. Check voltage between rear power window switch (LH) connector D55 terminal 1 and ground.
  1. 1 (W/L) - Ground : Battery voltage
OK or NG
1. OK : GO TO 4.
2. NG : Repair or replace harness.
Fig 3: Checking Voltage Between Rear Power Window Switch (LH) Connector D55 Terminal 1 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK REAR POWER WINDOW SWITCH LH

Turn igniting switch OFF.
Disconnect rear power window switch (LH) connector.
Check continuity between rear power window switch (LH) connector D55 terminals 1, 2, 3 and 4, 5.

CONNECTOR TERMINAL CONTINUITY

Terminal		Switch condition	Continuity
1	4	DOWN position	Yes
3	4	Free
1	5	UP position
2	5	Free

OK or NG

OK : GO TO 5.
NG : Replace rear power window switch (LH).

Fig 4: Checking Continuity Between Rear Power Window Switch (LH) Connector D55 Terminals 1, 2, 3 And 4, 5

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

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL

Turn ignition switch ON.
Power window main switch is operated, check voltage between power window main switch connector D6 terminals 1 and 3.

CONNECTOR TERMINAL VOLTAGE

Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
D6	1 (Y)	Ground	Closing	Battery voltage
	1 (Y)		Opening	0
	3 (R)		Closing	0
	3 (R)		Opening	Battery voltage

OK or NG

OK : GO TO 6.
NG : Replace power window main switch.

Fig 5: Checking Voltage Between Power Window Main Switch Connector D6 Terminals 1 And 3 And Ground

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

CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window main switch connector.
3. Check continuity between power window main switch connector D6 terminals 1, 3 and rear power window switch (LH) connector D55 terminals 2, 3.
  1. 1 (Y) - 2 (Y) : Continuity should exist.
  2. 3 (R) - 3 (R) : Continuity should exist.
OK or NG
1. OK : Check the condition of the harness and the connector.
2. NG : Repair or replace harness between power window main switch and rear power window switch (LH).
Fig 6: Checking Continuity Between Power Window Main Switch Connector D6 Terminals 1, 3 And Rear Power Window Switch (LH) Connector D55 Terminals 2, 3
Courtesy of NISSAN MOTOR CO., U.S.A.