PRINT
LEXUS GS300
MODEL YEAR(S
GS300 2006-2007
KEY T-HARNESS IMMOBILIZER
N/A N/A LEXUS TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT Connect to BATTERY ONLY
STARTER BLUE (+) @ PSC, ECU 40-Pin Plug, Pin 15, See NOTE #2
STARTER 2 LIGHT BLUE (+) @ PSC, ECU 40-Pin Plug, Pin 17, See NOTE #2
IGNITION 1 YELLOW (+) @ PSC, ECU 40-Pin Plug, Pin 35, See NOTE #2
IGNITION 2 LIGHT BLUE (+) @ PSC, ECU 40-Pin Plug, Pin 34, See NOTE #2
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 GREEN (+) @ PSC, ECU 40-Pin Plug, Pin 11, See NOTE #2
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) N/A
PARKING LIGHTS ( + ) GREEN (+) @ HEADLAMP ASSEMBLY under HOOD
POWER LOCK LIGHT GREEN (TYPE B) See NOTE #3 @ POWER WINDOW Switch in Drivers Door
POWER UNLOCK PINK (TYPE B) Requires Double Pulse @ POWER WINDOW Switch in Drivers Door
LOCK MOTOR WIRE N/A
DOOR TRIGGER See NOTE #4 14301_GS-300_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION BLUE (-) @ BECU (LH), 10-Pin Plug, Pin 2, See NOTE #5
TRUNK RELEASE LIGHT GREEN (-) See NOTE #6 @ BECU (LH), 16-Pin Plug, Pin 13
SLIDING POWER DOOR N/A
HORN YELLOW (-) @ HORN SWITCH in Column Cover.
TACH WHITE @ DATA LINK Connector, Pin 9, See NOTE #7
WAIT TO START LIGHT N/A
BRAKE RED/BLACK (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM DISARMS WITH UNLOCK Single Pulse Disarms
ANTI-THEFT TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1 TRANSPONDER @ IGNITION SWITCH TUMBLER
NOTES
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 # PK-ALL Bypass Module (for REMOTE STARTING ONLY!) KEYLESS BYPASS

NO KEY is required for Operation.



To order the Bypass Module go to the INTERFACE BYPASS MODULE Page on this

website













NOTE #2: the PSC, ECU is located on the FAR RIGHT (PASSENGER SIDE) behind the GLOVE BOX.





NOTE #3: when testing these wires, make sure you meter them while turning the key in the drivers door key cylinder.





NOTE #4: the DRIVERS DOOR is a RED (-) at the BECU (RH) 16-Pin Plug, Pin 14, the PASSENGER DOOR is a RED (-) at the BECU (RH) 28-Pin Plug, Pin 23, the DRIVERS REAR DOOR is a GREEN (-) at the PASSENGER SIDE FUSEBOX, 28-Pin Plug, Pin 23 and the PASSENGER REAR DOOR is a BLUE (-) at the BECU, (RH) 16-Pin Plug, Pin 16. When connecting to an ALARM SYSTEM, use all 4 DOOR TRIGGER wires and DIODE ISOLATE, to connect, See DIAGRAM.





NOTE #5: the BECU (LH) is attached to the DRIVERS SIDE FUSEBOX, under the DRIVERS SIDE of the DASH. The BECU (RH) is attached to the PASSENGER SIDE FUSEBOX, behind the GLOVE BOX.





NOTE #6: meter this wire while opening the trunk from the handle on the trunk.





NOTE #7: the DATA LINK Connector is located under the DRIVERS SIDE of the DASH.
LINK 1 LINK TEXT 1 LINK 2 LINK TEXT 2