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2009 lexus gx470 diagram


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KaMLuNg 
Copper - Posts: 70
Copper spacespace
Joined: May 28, 2003
Location: United States
Posted: December 08, 2014 at 4:18 PM / IP Logged Link to Post Post Reply Quote KaMLuNg
will be doing a alarm w/ RS, can someone please help me out with the wiring diagram? it won't matter for the security but it is with the Mark Levi sound system...
cheers
tonanzith 
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Joined: July 18, 2008
Location: Washington, United States
Posted: December 09, 2014 at 2:27 PM / IP Logged Link to Post Post Reply Quote tonanzith
12 Volts     WHITE/ red (30A)     +     ignition switch, white 8 pin plug, pin 7
Second 12 Volts     WHITE/ blue (50A)     +     ignition switch, white 8 pin plug, pin 2
Starter     GREEN/ black     +     ignition switch, white 8 pin plug, pin 8
Second Starter     N/A
Ignition     BLACK/ red     +     ignition switch, white 8 pin plug, pin 6
Second Ignition     blue / YELLOW     +     ignition switch, white 8 pin plug, pin 4
Third Ignition     N/A
Accessory     WHITE/ green     +     ignition switch, white 8 pin plug, pin 3
Second Accessory     N/A
Third Accessory     N/A
Keysense     GREEN/ YELLOW     -     Body ECU, white 26 pin plug, pin 14
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Data Bus     yellow (RX), yellow/black (TX)     data     Transponder Key Amplifier, black 7 pin plug, pins 4 and 5
The Transponder Key Amplifier is around the key switch. The security/immobilizer light wire is PURPLE / white (+) at the instrument cluster, white 20 pin plug, pin 20. The IMO - IMI wires are blue/red - WHITE/ red at the Engine Control Module, white 35 pin plug (E8, second from top), pins 15 and 16. The Engine Control Module is under the passenger dash, behind the glove box.
Can Bus High     pink     data     data link connector, white 16 pin plug, pin 6
Can Bus Low     purple     data     data link connector, white 16 pin plug, pin 14
Can Bus Sw     black (door lock data)     data     Body ECU, white 30 pin plug, pin 24
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Power Lock     blue/white (test with passenger switch)     -     dash fuse box, rear, white 16 pin plug, pin 5
This wire is only needed if the door locks do not function with the aftermarket system while the vehicle is running. All other times just use the factory alarm arm wire.
Power Unlock     blue/orange (test with passenger switch)     -     dash fuse box, rear, white 16 pin plug, pin 1
This wire is only needed if the door locks do not function with the aftermarket system while the vehicle is running. All other times just use the factory alarm disarm wire.
Lock Motor     RED / black to blue/red     5 wire     driver kick, white 13 pin plug, pin 6
Driver Unlock Motor     BLACK/ white to blue/orange     5 wire     driver kick, white 13 pin plug, pin 7
Passenger Unlock Motor     blue/black     5 wire     driver kick, harness to rear
Parking Lights (-)     green     -     Body ECU, white 26 pin plug, pin 8
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Parking Lights (+)     green     +     dash fuse box, white 16 pin plug, pin 13
Hazards     white     -     hazard switch, black 5 pin plug, pin 2
Turn Signal (Left)     blue/black (F); blue/black (R)     +     dr kick, wh/gry 43 pin plg, pin 33; dash fusebox, wh 16 pin plg, pin 9
Turn Signal (Right)     blue / YELLOW (F); blue / YELLOW (R)     +     dr kick, wh/gry 43 pin plg, pin18; dash fusebx, wh 16 pin plg, pin15
Headlight     red     -     Body ECU, white 26 pin plug, pin 1
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
AutoLights     GREEN/ orange (interrupt to turn off autolights)     -     Body ECU, white 26 pin plug, pin 3
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Reverse Light     RED / black to RED / yellow     +     driver kick, WHITE/ gray 43 pin plug, pin 11
Left Front Door Trigger     RED / yellow     -     Body ECU, white 24 pin plug, pin 23
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Right Front Door Trigger     RED / yellow     -     Body ECU, white 24 pin plug, pin 24
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Left Rear Door Trigger     pink/black     -     Body ECU, white 24 pin plug, pin 11
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Right Rear Door Trigger     pink/blue     -     Body ECU, white 24 pin plug, pin 12
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Dome Supervision     white     -     dash fuse box, white 20 pin plug, pin 8
Trunk/Hatch Pin     RED / blue     -     Body ECU, white 24 pin plug, pin 7
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Rear Glass Pin     N/A
Hood Pin     RED / white     -     driver kick, WHITE/ gray 43 pin plug, pin 41
Trunk/Hatch Release     locks/unlocks along with doors
Trunk Release Motor     N/A
Fuel Door Release     N/A
Power Sliding Door (Left)     N/A
Power Sliding Door (Right)     N/A
Factory Alarm Arm     blue     -     power window master switch, white 20 pin plug, pin 4
Meter this wire while turning the key in the driver door key cylinder. This wire will also lock the doors.
Factory Alarm Disarm     green (double pulse)     -     power window master switch, white 20 pin plug, pin 14
Meter this wire while turning the key in the driver door key cylinder. This wire will also unlock the doors.
Disarm No Unlock     use keysense
Trunk Alarm Shunt     N/A
Tachometer     BLACK/ white     ac     data link connector, white 16 pin plug, pin 9
Wait to Start     N/A
Neutral Safety     N/A
Clutch Pedal     N/A
Fuel Pump     BLACK/ red     +     driver kick, white 11 pin plug, pin 3
Rear Defroster     red     - latched     passenger kick, white 22 pin plug, pin 7
Mirror Defroster     red     - latched     mirror heater switch, black 5 pin plug, pin 4
Left Front Heated Seat     RED / green     +     left front seat heater switch, black 6 pin plug, pin 4
Right Front Heated Seat     blue/black     +     right front seat heater switch, white 6 pin plug, pin 4
Speed Sense     PURPLE / red     ac     dash fuse box, white 20 pin plug, pin 5
Also found at the amplifier, white 24 pin plug, pin 11. The amplifier is under the driver seat.
Brake Wire     GREEN/ YELLOW     +     dash fuse box, white 16 pin plug, pin 16
Parking Brake     GREEN/ red     -     Body ECU, white 24 pin plug, pin 2
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Horn Trigger     GREEN/ red     -     horn switch, black 12 pin plug, pin 6
Wipers     blue/black (L), blue/red (H)     +     driver kick, WHITE/ gray 43 pin plug, pins 14 and 13
Left Front Window (Up/Down)     use factory alarm arm/disarm
Right Front Window (Up/Down)     see left front window
Left Rear Window (Up/Down)     see left front window
Right Rear Window (Up/Down)     see left front window
Sun Roof (Open/Close)     use factory alarm arm/disarm
Sun Roof (Limit/Close)     N/A
Memory Seat 1     blue/orange     -     Body ECU, white 30 pin plug, pin 20
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Memory Seat 2     blue/black     -     Body ECU, white 30 pin plug, pin 2
The Body ECU is under the driver dash, attached to the rear right side of the dash fuse box.
Memory Seat 3     N/A
Radio 12V     blue / YELLOW     +     radio, white 20 pin plug, pin 1
Radio Ground     brown     -     radio, white 20 pin plug, pin 20
Radio Ignition     gray     +     radio, white 20 pin plug, pin 11
Radio Illumination     green (parking lights), WHITE/ green (dimmer)     +,-     radio, white 20 pin plug, pins 2 and 12
Factory Amp Turn-on     N/A
Power Antenna     black     +     radio, white 20 pin plug, pin 13
Left Front Speaker (+/-)     pink - purple (mid and high); grn - grn/blk (low)     +,-     amplifier, wht 10 pin plug, pins 2, 6; wht 10 pin plug, pins 2, 9
The amplifier is under the driver seat.
Right Front Speaker (+/-)     yellow - black (mid and high); blu - lt. grn (low)     +,-     amplifier, wht 10 pin plug, pins 8, 7; wht 10 pin plug, pins 1, 5
The amplifier is under the driver seat.
Left Rear Speaker (+/-)     black - yellow (door); black - yellow (tailgate)     +,-     amplifier, wht 10 pin plug, pins 3, 9; wht 10 pin plug, pins 8, 7
The amplifier is under the driver seat.
Right Rear Speaker (+/-)     red - white (door); red - white (tailgate)     +,-     amplifier, wht 10 pin plug, pins 4, 10; wht 10 pin plug, pins 2, 6
The amplifier is under the driver seat.
Center Channel (+/-)     green - GREEN/ black     +,-     amplifier, white 10 pin plug, pins 3 and 9
The amplifier is under the driver seat.
Subwoofer (+/-)     blue/red - blue/black (1); blue - lt. green (2)     +,-     amplifier, white 10 pin plug, pins 1 and 5 (1); 2 and 6 (2)
The amplifier is under the driver seat.
Aux. Audio Input Left (+/-)     green - (shield)     +,-     radio, white 20 pin plug, pins 17 and 16
Aux. Audio Input Right (+/-)     red - (shield)     +,-     radio, white 20 pin plug, pins 15 and 16
RSE Video (+/-)     yellow - brown     +,-     multi-display, white 6 pin plug, pins 1 and 4
RSE Audio Left (+/-)     red - green     +,-     radio, white 12 pin plug, pins 4 and 5
RSE Audio Right (+/-)     black - white     +,-     radio, white 12 pin plug, pins 2 and 3
Satellite Radio 12 Volts   
Satellite Radio Ground   
Satellite Radio Ignition   
Satellite Radio Antenna   
Satellite Audio Left (+/-)   
Satellite Audio Right (+/-)   
Item     Size     Depth     Location
Headunit     double DIN center of dash
Left Front Speaker     6 x 9 left front door
Left Front Tweeter     0.8 (tweeter), 2.6 (midrange) left front door
Right Front Speaker     6 x 9 right front door
Right Front Tweeter     0.8 (tweeter), 2.6 (midrange) right front door
Left Rear Speaker     6.0 left rear door
Left Rear Tweeter     2.6 left rear tailgate
Right Rear Speaker     6.0 right rear door
Right Rear Tweeter     2.6 right rear tailgate
Center Channel     2.6 top center of dash
Subwoofer     6.0 right rear quarter panel
Left Front Headrest   
Right Front Headrest   
Left Rear Headrest   
Right Rear Headrest   
Satellite Radio Tuner
Gary Sather
KaMLuNg 
Copper - Posts: 70
Copper spacespace
Joined: May 28, 2003
Location: United States
Posted: December 10, 2014 at 10:51 AM / IP Logged Link to Post Post Reply Quote KaMLuNg
thanks!!!
KaMLuNg 
Copper - Posts: 70
Copper spacespace
Joined: May 28, 2003
Location: United States
Posted: November 28, 2016 at 2:01 PM / IP Logged Link to Post Post Reply Quote KaMLuNg
dumb question
Tachometer     BLACK/ white     ac     data link connector, white 16 pin plug, pin 9
that translate to OBD2 port right?
geepherder 
Platinum - Posts: 3,668
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: November 28, 2016 at 4:57 PM / IP Logged Link to Post Post Reply Quote geepherder
Yes, OBD2 port.
My ex once told me I have a perfect face for radio.
KaMLuNg 
Copper - Posts: 70
Copper spacespace
Joined: May 28, 2003
Location: United States
Posted: December 08, 2016 at 9:51 PM / IP Logged Link to Post Post Reply Quote KaMLuNg
Can anyone help me with the dome wire? I have two harnesses on the right side fuse box but can't determine the correct wire...
Also for anyone doing this install,save yourself the hassle and just go into the driver door t fetch the factory arm/disarm wire for your lock and unlock.
KaMLuNg 
Copper - Posts: 70
Copper spacespace
Joined: May 28, 2003
Location: United States
Posted: December 09, 2016 at 6:34 AM / IP Logged Link to Post Post Reply Quote KaMLuNg
2009 lexus gx470 diagram -- posted image.
it looks like the top harness in this pic is the 20 pin... but it doesn't look like normal gauge wire going into it. and its hard to probe with it plugged in because of the clip on the top... any ideas?
dcman41 
Copper - Posts: 211
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Joined: October 21, 2005
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Posted: December 09, 2016 at 8:17 AM / IP Logged Link to Post Post Reply Quote dcman41
turn the dome lights off in the car via the switch on the lights it self. Then use a test light to find the dome light wire, the light should illuminate when you find the correct dome light trigger
KaMLuNg 
Copper - Posts: 70
Copper spacespace
Joined: May 28, 2003
Location: United States
Posted: December 09, 2016 at 9:07 PM / IP Logged Link to Post Post Reply Quote KaMLuNg
thanks i got it.. it was that harness... right row of pins 3rd from the top... i got confused since it looked like ribbon wires...
two more questions...
1.) i used the factory arm/disarm switch as the lock/unlock wire... i don't have to also wire the factory arm/disarm wire as well right???
2.) i'm considering using Aux 1 & 2 for window up/down and the wire scheme says to use the factory arm/disarm wire... again since i have the door locks using those wires, if i want to tie in the aux outputs, should i diode isolate each of the triggers???
dcman41 
Copper - Posts: 211
Copper spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: October 21, 2005
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Posted: December 10, 2016 at 5:09 PM / IP Logged Link to Post Post Reply Quote dcman41
No, you dont need to use the factory arm/disarm wires on the remote start, just the blue and green door lock wires. But make sure you change the unlock output to double pulse in the remote start programming settings otherwise it might not disarm the factory alarm. And for the windowsup and down i normally just tie the aux 1 and aux 2 wires into the appropriate blue and green lock wires so you dont have to run as many wires into the door
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