2000 Lexus ES 300FACTORY OEM SERVICE PROCEDURE

Passenger's Switch

Remove passenger's switch in question. Using DVOM, check for continuity between passenger's switch terminals. See Fig 1. Ensure continuity is as specified between appropriate terminals in indicated switch positions. See PASSENGER'S SWITCH CONTINUITY SPECIFICATIONSΒ  table. If continuity is not as specified, replace passenger's switch.

PASSENGER'S SWITCH CONTINUITY SPECIFICATIONS

Switch Position Test Between Terminals No. Continuity
Right Front Switch
UP (Manual) 3 & 6 Yes
UP (Auto) 3 & 6; 3 & 5 Yes
OFF (Neutral) Any No
DOWN (Auto) 3 & 4; 3 & 5 Yes
DOWN (Manual) 3 & 4 Yes
Rear Switches
UP 1 & 3; 2 & 5 Yes
OFF 1 & 3; 2 & 4 Yes
DOWN 2 & 4; 3 & 5 Yes
Fig 1: Identifying Passenger's Switch Terminals
G96B07653Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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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.