2001 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Wireless Door Lock Control Receiver Circuit

Ensure wireless door lock control receiver circuit 8-pin connector is connected. Measure voltage (backprobe) between specified terminals and ground. See Fig 1. See WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUITΒ  table. Replace wireless door lock control receiver as necessary.

WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT

Terminals No. Condition Voltage
8-Ground Ignition Switch Off, Key Removed, Transmitter Off Zero
Ignition Switch Off, Key Removed, Transmitter On 5
7-Ground Ignition Switch Off, Key Removed, Transmitter Off 10-14
Ignition Switch Off, Key Removed, Transmitter On Less Than One
6-Ground Ignition Switch Off, Key Removed, Transmitter Off 10-14
Ignition Switch Off, Key Removed, Transmitter On Less Than One
Fig 1: Identifying Door Lock Control Receiver Connector Terminals
G00020617Courtesy 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.