1994 Lexus ES 300FACTORY OEM SERVICE PROCEDURE

Miscellaneous Components

MISCELLANEOUS COMPONENT LOCATIONS

Component Location
A/C Idle-Up Valve On top of air intake manifold. See Figure.
Blower Motor Low Resistor Behind right side of dash, on evaporator case. See Figure.
Data Link Connectors (DLC)
DLC No. 1 On bracket, behind right strut tower.
DLC No. 2 Under left side of dash.
Power Transistor Mounted on evaporator case. See Figure.
Radio Power Amplifier Under front passenger's seat.
Vacuum Switching Valves (VSV)
ACIS VSV On top of air intake manifold. See Figure.
Fuel Pressure Control VSV On top of air intake manifold. See Figure.
EGR VSV On top of air intake manifold. See Figure.
Factory Service Tools

Use the Manual With the Right Hardware

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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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