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:

• The hazard warning light answer-back function is not normal (the theft warning ECU's turn signal flasher relay output may be malfunctioning).

• The security horn answer back function is not normal (the security horn signal output may be malfunctioning)*.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK WIRELESS DOOR LOCK

   
   

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

      Result:

      Result	Proceed to
      Wireless door lock functions are normal but hazard warning lights' answer-back does not occur	A
      Wireless door lock functions are normal but security horn's answer-back does not occur*	B
      Wireless door lock functions are abnormal	C

      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

   C

   GO TO FLOWCHART (ONLY WIRELESS CONTROL FUNCTION IS INOPERATIVE)

   A

2. CHECK HAZARD WARNING LIGHT

   
   

   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

   OK

3. CHECK WIRE HARNESS (THEFT WARNING ECU - TURN SIGNAL FLASHER RELAY)

   
   

   1. Disconnect the T16 ECU connector.

   2. Disconnect the T23 relay connector.

   3. 

      Measure the resistance of the wire harness side connectors.

      Standard resistance
      Tester Connection Specified Condition T16-28 (HAZD) - T23-8 (HAZ) Below 1 Ω

   
   

   OK

   REPAIR OR REPLACE HARNESS AND CONNECTOR

   OK

   REPLACE THEFT WARNING ECU ASSEMBLY