2003 Toyota Highlander Alarm/Remote Start Wiring

Function

Start:

Ignition  #1:

Ignition  #2:

Ignition  #3:

Accessory:

Brake  Light:

Tach  Signal:

Parking Lights:

Headlights:

Diesel  Glow Plug:

Clutch  Bypass Wire:

NOTES: *This vehicle is equipped with a Transponder Anti-Theft security system. Use Universal Alarm Bypass Module part #2x402 where X can be any number. **The Engine Control Module (ECM) is behind the glove box, it is the module to the left of the glove box. *** The key sense wire will measure 12 volts all the time till you place the key inside the ignition switch and the key sense wire will ground. Connect the WHITE/ black wire from the unit (ignition 3) to the wire and that will disarm the OEM factory alarm.

Alarm and Keyless Entry Wiring Colors

Function

Constant  +12 Volts:

White & Blue / YELLOW (+)

Ignition switch harness

OEM Alarm Disarm:

Use key sense wire

Dome  Lights/Superv:

Comes on with unlock

OEM Horn:

WHITE/ Red (-)

Steering column harness

Power  Lock:

See note below

***

Power  Unlock:

See note below

***

Trunk  Release:

N/A

Alarm  Input Wire:

Comes on with unlock

NOTES: ***See Installation Note #212 Modern Toyota Door Locks Diagram.

Installation Note #212

Interfacing to Lexus and Toyota Door Lock Systems