WIRELESS DOOR LOCK CONTROL SYSTEM (for Built-in Type Door Control Receiver) No Answer-back

DESCRIPTION

In some cases, wireless control functions are normal but one or more of the following may occur:


Tech Tips

*: The security horn applies only if the wireless answer-back function has been customized so that the hazard warning lights flash and the security horn sounds.

WIRING DIAGRAM

A01E0FAE01

INSPECTION PROCEDURE

Note

When replacing the theft warning ECU assembly, refer to the registration procedures Click here.

PROCEDURE


  1. CHECK WIRELESS DOOR LOCK CONTROL FUNCTION


    1. Check the wireless door lock functions by operating the transmitter switches.

      Result
      Result Proceed to
      Only hazard warning light and side turn signal light answer-back does not occur A
      Only security horn answer-back does not occur B

      Tech Tips

      The security horn applies only if the wireless answer-back function has been customized so the hazard warning lights flash and the security horn sounds.


    B

    Go to THEFT DETERRENT SYSTEM Click here

    A

  2. CHECK HAZARD WARNING LIGHTS


    1. Check that the hazard warning lights flash when the hazard warning signal switch is pressed.

      OK
      Hazard warning lights flash.

    NG

    Go to LIGHTING SYSTEM Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (THEFT WARNING ECU - TURN SIGNAL FLASHER)


    1. Disconnect the T36*1 or T39*2 theft warning ECU assembly connector.


      • *1: except 2 Step Unlock Function

      • *2: for 2 Step Unlock Function

    2. Disconnect the T22 turn signal flasher assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      except 2 Step Unlock Function
      Tester Connection Condition Specified Condition
      T36-28 (HAZD) - T22-8 (HAZ) Always Below 1 Ω
      T36-28 (HAZD) or T22-8 (HAZ) - Body ground Always 10 kΩ or higher
      for 2 Step Unlock Function
      Tester Connection Condition Specified Condition
      T39-23 (HAZD) - T22-8 (HAZ) Always Below 1 Ω
      T39-23 (HAZD) or T22-8 (HAZ) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE THEFT WARNING ECU ASSEMBLY