Vehicle
Wiring Details for your
2010- Lexus Rx450h Wiring Diagram |
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Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2010- Lexus Rx450h . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.
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| PART |
COLOR |
LOCATION |
| 12 VOLT
CONSTANT |
BLACK (+) |
@ DASH FUSE BOX, (WHITE, 1-PIN PLUG(K) PIN 1 |
| STARTER |
LT. GREEN (-) |
@ ENGINE SWITCH, (BLACK, 14-PIN PLUG) PIN 7 |
| STARTER
2 |
BLACK (-) |
@ ENGINE SWITCH, (BLACK, 14-PIN PLUG) PIN 2 |
| IGNITION
1 |
BLACK (+) |
@ PMCU, (GRAY, 35-PIN PLUG) PIN 2, NOTE #6 |
| IGNITION
2 |
GREEN (+) |
@ PMCU, (GRAY, 31-PIN PLUG) PIN 2, NOTE #6 |
| IGNITION
3 |
N/A |
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| ACCESSORY/HEATER
BLOWER 1 |
GRAY (+) |
@ PMCU, (GRAY, 31-PIN PLUG) PIN 1, NOTE #3 |
| ACCESSORY/HEATER
BLOWER 2 |
N/A |
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| KEYSENSE |
N/A |
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| PARKING
LIGHTS ( - ) |
PURPLE (-) |
@ BECU, (BLACK, 30-PIN PLUG) PIN 30, NOTE #3 |
| PARKING
LIGHTS ( + ) |
PURPLE (+) |
@ DASH FUSE BOX, (WHITE, 36-PIN PLUG(H) PIN 5 |
| POWER LOCK |
LT. GREEN (TYPE B), (TEST with PASSENGER Switch) NOTE #4 |
@ BECU, (BLACK, 30-PIN PLUG) PIN 9, NOTE #3 |
| POWER UNLOCK |
BLUE (TYPE B), (TEST with PASSENGER Switch) NOTE #5 |
@ BECU, (BLACK, 30-PIN PLUG) PIN 10, NOTE #3 |
| DOOR TRIGGER |
BLACK (-) |
@ DASH FUSE BOX, (WHITE, 36-PIN PLUG(H) PIN 26 |
| DOMELIGHT
SUPERVISION |
LT. GREEN (-) |
@ DASH FUSE BOX, (WHITE, 36-PIN PLUG(H) PIN 24 |
| TRUNK RELEASE |
GRAY (-) (without POWER LIFTGATE) NOTE #7 |
in REAR HALF of DRIVERS Running Board, Harness to REAR of Vehicle |
| SLIDING
POWER DOOR |
N/A |
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| HORN |
WHITE or RED (-) |
@ HORN SWITCH or DASH FUSE BOX, (WHITE, 40-PIN PLUG(F) PIN 24 |
| TACH |
N/A |
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| WAIT TO
START LIGHT |
N/A |
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| BRAKE |
YELLOW or BROWN (+) |
@ BRAKE SWITCH or DASH FUSE BOX, (WHITE, 36-PIN PLUG(H) PIN 24 |
| FACTORY
ALARM DISARM |
BLUE to GRAY (-) NOTE #2 |
in DRIVERS KICK PANEL, (WHITE, 17-PIN PLUG) PIN 4 or BECU, (BLACK, 30-PIN PLUG) PIN 24, NOTE #3 |
| ANTI-THEFT |
TOYOTA'S TRANSPONDER SYSTEM, See NOTE #1 |
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| EXTRA
INFORMATION |
| NOTE #1: LEXUS TRANSPONDER ANTI-THEFT SYSTEM, Requires Bypass Module,
Part # 791 Bypass Module (for REMOTE STARTING ONLY!) an Extra Ignition key is
required to be placed inside this module for Operation.
Part # DB-ALL Bypass Module, this Module is a KEYLESS BYPASS MODULE and DOES
NOT require a Key to be placed inside the Module for Operation, this module will also
do the Keyless Entry.
To order the Bypass Module go to the INTERFACE BYPASS MODULE Page on this
website
NOTE #2: TEST this wire while turning the Key in the Drivers Door.
NOTE #3: the BECU, (Body Electronic Control Unit) is located under the DRIVERS Dash and
is attached to the RIGHT side of the DASH FUSE BOX.
NOTE #4: 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.
NOTE #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 Disarm wire.
NOTE #6: the PMCU, (Power Management Control Unit) is located under the Drivers Dash, and
to the LEFT of the DASH FUSE BOX.
NOTE #7: TEST this wire while opening the Liftgate from the Handle on the Rear of the Vehicle.
on vehicles with POWER LIFTGATE, the open/close wire is a PURPLE (-) at the Switch
on the Dash or BECU, (WHITE, 28-PIN PLUG) PIN 5
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