Vehicle
Wiring Details for your
2009-2011 Lexus IS250 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 2009-2011 Lexus IS250 . 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 |
WHITE (+) |
@ DASH FUSE BOX, (WHITE, 1-PIN PLUG(M), PIN 1 |
| STARTER |
BLACK (-) and LT. BLUE (-) |
@ ENGINE SWITCH, (BLACK, 14-PIN PLUG), PINS 7 and 2 |
| STARTER
2 |
PURPLE (+) |
BLUE 22-PIN PLUG, PIN 10, in DRIVERS KICK |
| IGNITION
1 |
RED/WHITE (+) |
@ PASSENGER DASH FUSE BOX, (GRAY, 10-PIN PLUG(K) PIN 3 |
| IGNITION
2 |
PINK (+) |
@ PSCM, (WHITE, 40-PIN PLUG) PIN 34, NOTE #5 |
| IGNITION
3 |
N/A |
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| ACCESSORY/HEATER
BLOWER 1 |
LT. GREEN (+) |
@ PSCM, (WHITE, 40-PIN PLUG) PIN 1, NOTE #5 |
| ACCESSORY/HEATER
BLOWER 2 |
N/A |
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| KEYSENSE |
N/A |
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| PARKING
LIGHTS ( - ) |
BLUE (-) |
@ HEADLIGHT SWITCH, (WHITE, 20-PIN PLUG) PIN 18 |
| PARKING
LIGHTS ( + ) |
BROWN (+) (REAR) NOTE #6 |
@ DRIVERS DASH FUSE BOX, (GRAY, 30-PIN PLUG(J) PIN 24 |
| POWER LOCK |
BROWN (TYPE B), (TEST with PASSENGER Switch) NOTE #2 |
@ PASSENGER DASH FUSE BOX, (GRAY, 30-PIN PLUG(J) PIN 7 |
| POWER UNLOCK |
BLACK (TYPE B), (TEST with PASSENGER Switch) NOTE #3 |
@ PASSENGER DASH FUSE BOX, (GRAY, 30-PIN PLUG(J) PIN 10 |
| DOOR TRIGGER |
WHITE (-) |
@ BECU, (RH), (WHITE, 16-PIN PLUG) PIN 14, NOTE #7 |
| DOMELIGHT
SUPERVISION |
PURPLE (-) |
@ BECU, (LH), (WHITE, 10-PIN PLUG) PIN 2, NOTE #8 |
| TRUNK RELEASE |
PINK (-) |
@ RELEASE SWITCH or BECU, (RH), (WHITE, 28-PIN PLUG) PIN 3, NOTE #7 |
| SLIDING
POWER DOOR |
N/A |
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| HORN |
WHITE (-) |
@ HORN SWITCH, (BLACK, 12-PIN PLUG) PIN 8 |
| TACH |
WHITE (AC) |
@ DATA LINK Connector, (WHITE, 16-PIN PLUG) PIN 9 |
| WAIT TO
START LIGHT |
N/A |
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| BRAKE |
RED/BLACK to RED (+) |
@ BRAKE SWITCH or DRIVERS KICK PANEL, (BLUE, 22-PIN PLUG) PIN 12 |
| FACTORY
ALARM DISARM |
WHITE (-) Requires Double Pulse, NOTE #4 |
@ POWER WINDOW MASTER SWITCH, (WHITE, 20-PIN PLUG) PIN 13 |
| ANTI-THEFT |
TOYOTA'S TRANSPONDER SYSTEM, Requires Bypass Module, See NOTE #1 |
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| EXTRA
INFORMATION |
| NOTE #1: TOYOTA'S TRANSPONDER ANTI-THEFT SYSTEM, Requires part #791 Bypass Module and
an extra ignition key for remote starting.
Part # PK-ALL Bypass, NO EXTRA KEY REQUIRED!!
To order go to the INTERFACE Bypass Module Page on this website.
NOTE #2: 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 #3: 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 #4: TEST this wire while turning the Key in the Drivers Door, this wire will also Unlock
the Doors.
NOTE #5: the PSCM (Power Source Control Module) is located under the PASSENGER Dash and
above the GLOVE BOX.
NOTE #6: the FRONT PARKING LIGHT wire is a BLUE (+) @ the DRIVERS side HEADLIGHT
Assembly or in he ENGINE Compartemnt FUSE BOX, (BLACK, 13-PIN PLUG(G) PIN 9
NOTE #7: the BECU (RH) (Body Electronic Control Unit ( Right Hand) is part of the PASSENGER
DASH FUSE BOX, located under the PASSENGER DASH.
NOTE #8: the BECU (LH) (Body Electronic Control Unit ( Left Hand) is part of the DRIVERS side
FUSE BOX, located under the Drivers side of the Dash.
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