Acura RL. Manual - part 738

REPLACEMENT ).  

3. Disconnect the 14P connector (A) from the left rear power window switch (B). 

Fig. 50: Identifying Left Rear Power Window Switch Connector Terminal (14P) 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

4. Inspect the connector and socket terminals to be sure they are all making good contact. 



If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.  



If the terminals look OK, go to step 5.  

5. With the connector still disconnected, make these input tests at the connector. 



If any test indicates a problem, find and correct the cause, then recheck the system.  



If all the input tests prove OK, go to step 6.  

TEST CONDITION AND POSSIBLE CAUSE REFERENCE CHART 

Cavity Wire

Test condition

Test: Desired result

Possible cause if desired 

result is not obtained

2

GRY

Driver's under-dash 
fuse/relay box connector J 
(21P) disconnected

Check for continuity between 
the No. 2 terminal and driver's 
under-dash fuse/relay box 
connector J (21P) No. 1 
terminal: 
There should be continuity.

An open in the wire

Check for continuity to 

A short to ground in the 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Power Windows - RL

  

me 

 

Friday, June 05, 2009 3:20:28 PM

Page 56 

© 2005 Mitchell Repair Information Company, LLC. 

6. Reconnect the connector to the left rear power window switch, and make these input tests at the 

connector. 



If any test indicates a problem, find and correct the cause, then recheck the system.  



If all the input tests prove OK, the left rear power window switch must be faulty; replace it (see 
POWER WINDOW MASTER SWITCH REPLACEMENT ) and go to step 7.  

TEST CONDITION AND POSSIBLE CAUSE REFERENCE CHART 

ground: 

There should be no continuity.

wire

1

YEL

Connect the No. 8 and No. 1 
terminals with a jumper wire, 
and connect the No. 7 
terminal to body ground.

Check the left rear power 
window motor operation: 
The motor should run (the 
window should go down).



Blown No. 24 
(20A) fuse in the 
driver's under-dash 
fuse/relay box  



Faulty left rear 
power window 
motor  



An open in the wire 

7

BLU

Connect the No. 8 and No. 7 
terminals with a jumper wire, 
and connect the No. 1 
terminal to body ground.

Check the left rear power 
window motor operation: 
The motor should run (the 
window should go up).



Blown No. 24 
(20A) fuse in the 
driver's under-dash 
fuse/relay box  



Faulty left rear 
power window 
motor  



An open in the wire 

Cavity Wire

Test condition

Test: Desired result

Possible cause if 

desired result is not 

obtained

6

BLK Under all conditions

Measure the voltage to 
ground: 
There should be less than 
0.5 V.



Poor ground 
(G602)  



An open in the 
wire  

14

BLK Under all conditions

Measure the voltage to 
ground: 
There should be less than 
0.5 V.



Poor ground 
(G601)  



An open in the 
wire  

8

RED Under all conditions

Measure the voltage to 
ground: 
There should be battery 
voltage.



Blown No. 23 
(P/W) (50A) fuse 
in the under-hood 
fuse/relay box  



Blown No. 24 
(20A) fuse in the 
driver's under-
dash fuse/relay 
box  

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Power Windows - RL

  

me 

 

Friday, June 05, 2009 3:20:28 PM

Page 57 

© 2005 Mitchell Repair Information Company, LLC. 

7. Reset the power window control unit (see RESETTING THE POWER WINDOW CONTROL 

UNIT ).  

RIGHT REAR POWER WINDOW SWITCH INPUT TEST 

1. Turn the ignition switch OFF.  

2. Remove the right rear power window switch (see PASSENGER'S POWER WINDOW SWITCH 

TEST/REPLACEMENT ).  

3. Disconnect the 14P connector (A) from the right rear power window switch (B). 



Faulty driver's 
under-dash 
fuse/relay box  



An open in the 
wire  

3

PNK Ignition switch ON (II)

Measure the voltage to 
ground: 
There should be battery 
voltage.



Faulty left rear 
power window 
switch  



An open in the 
wire  

5

GRN

Ignition switch ON (II) and left 
rear power window motor runs by 
connecting the No. 8 and No. 1 
terminals with a jumper wire, and 
connect the No. 7 terminal to body 
around.

Measure the voltage 
between the No. 5 and No. 
6 terminals: 
There should be 0-about 5 
V - 0-about 5 V 
repeatedly (a digital 
voltmeter reads about 2.5 
V while the window 
moves).



Blown No. 24 
(20A) fuse in the 
driver's under-
dash fuse/relay 
box  



Faulty left rear 
power window 
switch  



Faulty left rear 
power window 
motor  



An open in the 
wire  

4

ORN

Ignition switch ON (II) and left 
rear power window motor runs by 
connecting the No. 8 and No. 1 
terminals with a jumper wire, and 
connect the No. 7 terminal to body 
ground.

Measure the voltage 
between the No. 4 and No. 
6 terminals: 
There should be 0-about 5 
V - 0-about 5 V 
repeatedly (a digital 
voltmeter reads about 2.5 
V while the window 
moves).



Blown No. 24 
(20A) fuse in the 
driver's under-
dash fuse/relay 
box  



Faulty left rear 
power window 
switch  



Faulty left rear 
power window 
motor  



An open in the 
wire  

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Power Windows - RL

  

me 

 

Friday, June 05, 2009 3:20:28 PM

Page 58 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 51: Identifying Right Rear Power Window Switch Connector Terminal (14P) 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

4. Inspect the connector and socket terminals to be sure they are all making good contact. 



If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.  



If the terminals look OK, go to step 5.  

5. With the connector still disconnected, make these input tests at the connector. 



If any test indicates a problem, find and correct the cause, then recheck the system.  



If all the input tests prove OK, go to step 6.  

TEST CONDITION AND POSSIBLE CAUSE REFERENCE CHART 

Cavity Wire

Test condition

Test: Desired result

Possible cause if desired 

result is not obtained

2

GRY

Driver's under-dash fuse/relay 
box connector X (39P) and 
passenger's MPCS unit 
connector A (28P) 
disconnected

Check for continuity between 
the No. 2 terminal and 
driver's under-dash fuse/relay 
box connector X (39P) No. 
15 terminal: 
There should be continuity.



Faulty passenger's 
under-dash 
fuse/relay box  



An open in the wire  

Check for continuity to 



Faulty passenger's 
under-dash 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Power Windows - RL

  

me 

 

Friday, June 05, 2009 3:20:28 PM

Page 59 

© 2005 Mitchell Repair Information Company, LLC.