Wireless Door Lock Control System (For Built-In Type Door Control Receiver) No Answer-Back

Vehicle Interior. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Door Lock. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK WIRELESS DOOR LOCK CONTROL FUNCTION

CHECK HAZARD WARNING LIGHT OPERATION

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

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:
  1. The hazard warning light and side turn signal light answer-back function is not normal (the theft warning ECU's turn signal flasher output may be malfunctioning).
  2. The security horn answer-back function is not normal (the security horn signal output may be malfunctioning)*.
HINT:
*: The security horn assembly applies only if the wireless answer-back function has been customized so that the hazard warning lights and side turn signal lights flash and the security horn assembly sounds.

WIRING DIAGRAM


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (For Built-In Type Door Control Receiver) No Answer-Back


INSPECTION PROCEDURE

NOTICE:
When replacing the theft warning ECU assembly, refer to the registration procedures (HILUX_TGN26 RM000000Z4Z01KX.html).
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
    HINT:
    *: The security horn assembly applies only if the wireless answer-back function has been customized so that the hazard warning lights and side turn signal lights flash and the security horn assembly sounds.


B
Go to THEFT DETERRENT SYSTEM (HILUX_TGN26 RM000001J8Q019X.html)
A


2.CHECK HAZARD WARNING LIGHT OPERATION

  1. Check that the hazard warning lights and side turn signal lights flash continuously when the hazard warning signal switch assembly is pressed.

    OK:
    Hazard warning lights and side turn signal lights flash when hazard warning signal switch assembly is pressed.


NG
Go to LIGHTING SYSTEM (HILUX_TGN26 RM000002CE20FBX.html)
OK


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

  1. Disconnect the G29 theft warning ECU assembly connector.

  1. Disconnect the G54 turn signal flasher assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G29-28 (HAZD) - G54-8 (HAZ)
    		Always
    		Below 1 Ω
    G29-28 (HAZD) or G54-8 (HAZ) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE THEFT WARNING ECU ASSEMBLY (HILUX_TGN26 RM000004QXI00GX.html)