Wireless Door Lock Control System (W/O Entry And Start System) No Answer-Back

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (DOOR LOCK POSITION SWITCH)

CHECK WIRELESS ANSWER-BACK OPERATION

CHECK HAZARD WARNING LIGHT OPERATION

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (HAZARD WARNING LIGHT)

CHECK HARNESS AND CONNECTOR (TURN SIGNAL FLASHER - MAIN BODY ECU)

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (WIRELESS DOOR LOCK BUZZER)

CHECK HARNESS AND CONNECTOR (WIRELESS DOOR LOCK BUZZER - MAIN BODY ECU)

REPLACE WIRELESS DOOR LOCK BUZZER

CHECK WIRELESS DOOR LOCK BUZZER OPERATION

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

Start troubleshooting after confirming that the customize status of the answer-back function has been switched on.

1. Connect the intelligent tester to the DLC3.
   

2. Turn the ignition switch to ON.
   

3. Turn the intelligent tester on.
   

4. Enter the following menus: Body / Main Body / Data List.
   

5. Read the Data List according to the display on the intelligent tester.
   
   

   Main Body

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Back Door Lock Pos SW	Back door lock position switch status / ON or OFF	ON: Back door unlocked OFF: Back door locked	-
   FR Door Lock Pos	Front RH side door lock position switch signal / UNLOCK or LOCK	UNLOCK: Front RH side door unlocked LOCK: Front RH side door locked	-
   FL Door Lock Pos	Front LH side door lock position switch signal / UNLOCK or LOCK	UNLOCK: Front LH side door unlocked LOCK: Front LH side door locked	-
   RR-Door Lock Pos SW*	Rear RH side door lock position switch signal / ON or OFF	ON: Rear RH side door unlocked OFF: Rear RH side door locked	-
   RL-Door Lock Pos SW*	Rear LH side door lock position switch signal / ON or OFF	ON: Rear LH side door unlocked OFF: Rear LH side door locked	-

   1. *: for 5 Door
      

   OK:

   The intelligent tester should display as shown in the table according to door lock operation.
   

   HINT:

   1. Go to POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Back Door Lock/Unlock Functions do not Operate) (LandCruiser RM0000011GC08GX.html).
      
   2. Go to POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Driver Door Lock/Unlock Functions do not Operate) (LandCruiser RM0000011GC08GX.html).
      
   3. Go to POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Front Passenger Door Lock/Unlock Functions do not Operate) (LandCruiser RM0000011GC08GX.html).
      
   4. Go to POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Rear Door RH Lock/Unlock Functions do not Operate) (LandCruiser RM0000011GC08GX.html).
      
   5. Go to POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Rear Door LH Lock/Unlock Functions do not Operate) (LandCruiser RM0000011GC08GX.html).
      

1. Check the wireless answer-back operation by the wireless door lock control function.
   

   Result

   Result	Proceed to
   Only hazard warning light answer-back does not occur	A
   Only wireless door lock buzzer answer-back does not occur*	B

   1. *: w/ Wireless Buzzer Answer-back
      

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

   OK:

   Hazard warning lights flash continuously.
   

1. Operate the intelligent tester according to the steps on the display and select "Active Test" (LandCruiser RM000002MV903KX.html).
   

OK:

The hazard warning lights can be turned on and off using the intelligent tester.

1. Disconnect the G8 flasher connector.
   

2. Disconnect the G64 ECU connector.
   

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   G8-8 (HAZ) - G64-3 (HAZ)	Always	Below 1 Ω
   G8-8 (HAZ) - Body ground	Always	10 kΩ or higher

1. Operate the intelligent tester according to the steps on the display and select "Active Test" (LandCruiser RM000002MV903KX.html).
   
   

   Main Body

   Tester Display	Test Part	Control Range	Diagnostic Note
   Wireless Buzzer	Wireless door lock buzzer	ON/OFF	-

OK:

The wireless door lock buzzer can be turned on and off using the intelligent tester.

1. Disconnect the A39 buzzer connector.
   

2. Remove the main body ECU (LandCruiser RM000003WBO05FX.html).
   

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   A39-1 - A-21 (BZR)	Always	Below 1 Ω
   A39-2 - Body ground	Always	Below 1 Ω
   A39-1 - Body ground	Always	10 kΩ or higher

1. Temporarily replace the wireless door lock buzzer with a new or normally functioning one (LandCruiser RM000002XKW02TX.html).
   

1. Check that the wireless door lock buzzer sounds by operating the wireless door lock function.
   

   OK:

   Wireless door lock buzzer sounds.