1997 Lexus SC 300 AutomaticFACTORY OEM SERVICE PROCEDURE

Connector Identification

CONNECTOR IDENTIFICATION

Description See Fig.
ABS Electronic Control Unit 11-13
Check Harness 14
Electronic Control Module (ECM) 15-17
Sub-Throttle Actuator 18
TRAC Actuator 19
TRAC Motor Relay 20
TRAC Pump Motor 21
Throttle Valve Motor Driver 22
Fig 1: Identifying ABS/TRAC ECU Connector GS300
G96B19647Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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