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Wireless Door Lock Control Receiver Circuit

WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connector Disconnected -  Inspect the wireless door lock control receiver circuit. See WIRELESS DOOR LOCK TUNER CIRCUIT under CIRCUIT TESTS under BODY CONTROL SYSTEM article under COMMUNICATION DEVICES in ACCESSORIES & EQUIPMENT. Disconnect the connector from the receiver and inspect the connector on the wire harness side. See CONNECTOR IDENTIFICATION . See INSPECTING WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT (CONNECTOR DISCONNECTED)  table. If the circuit is not as specified, inspect the circuits connected to other parts.
    INSPECTING WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT (CONNECTOR DISCONNECTED)

    Tester Connection Condition Specified Condition
    1 - Ground Constant Continuity
  2. Connector Connected -  Inspect the wireless door lock control receiver circuit. Connect the wire harness side connector to the receiver and inspect the wire harness side connector from the back side. See CONNECTOR IDENTIFICATION . See INSPECTING WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT (CONNECTOR CONNECTED)  table.
    INSPECTING WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT (CONNECTOR CONNECTED)

    Tester Connection Condition Specified Condition
    3 - Ground All Doors Are Closed & Key Removed 5 Volts Intermittently
    4 - Ground All Doors Are Closed, Key Removed & Transmitter OFF/ON Transmitter ON: Changes Between 0-5 Volts, Transmitter OFF: Below 1 Volt