LANE DEPARTURE ALERT SYSTEM Indicator Circuit

DESCRIPTION

The forward recognition camera sends indicator illumination request signals to the combination meter assembly via CAN communication.

PROCEDURE

1. READ VALUE USING GTS (CAN BUS CHECK)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the ignition switch to ON.

   3. Turn the GTS on.

   4. Enter the following menus: System Select / Can Bus Check.

      for LHD: Click here

      for RHD: Click here

      
      CAN Bus Check

      Result
      Result Proceed to All of the ECUs and sensors that are currently connected to the CAN communication system are displayed A None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed B

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM for LHD: Click here GO TO CAN COMMUNICATION SYSTEM for RHD: Click here

   A

2. CHECK FOR DTCs (HEALTH CHECK)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the ignition switch to ON.

   3. Turn the GTS on.

   4. Enter the following menus: System Select / Health Check.

   5. Check DTCs.

      Result
      Result Proceed to No DTCs are output. A DTCs are output. B

   
   

   B

   GO TO DTC CHART

   A

3. PERFORM ACTIVE TEST USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the ignition switch to ON.

   3. Turn the GTS on.

   4. Enter the following menus: Body Electrical / Combination Meter / Active Test.

   5. According to the display on the GTS, perform the Active Test.

      for TFT Display Type:

      
      Body Electrical > Combination Meter > Active Test

      Tester Display	Measurement Item	Control Range	Diagnostic Note
      Meter Display 1	Multi-information display	OFF or All	-

      
      Body Electrical > Combination Meter > Active Test

      Tester Display
      Meter Display 1

      OK
      The multi-information display in the combination meter assembly turns on or off according to the operation of the Active Test.

      for Dot Display Type:

      
      Body Electrical > Combination Meter > Active Test

      Tester Display	Measurement Item	Control Range	Diagnostic Note
      LDA Control Indicator	Lane departure alert indicator	OFF or ON	-

      
      Body Electrical > Combination Meter > Active Test

      Tester Display
      LDA Control Indicator

      OK
      Lane departure alert indicator turns ON/OFF.

      Result
      Result Proceed to OK A NG B

   
   

   B

   GO TO METER / GAUGE SYSTEM Click here

   A

4. READ VALUE USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the ignition switch to ON.

   3. Turn the GTS on.

   4. Enter the following menus: Chassis / LKA/LDA / Data List.

   5. Read the Data List according to the display on the GTS.

      
      Chassis > LKA/LDA > Data List

      Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
      LDA Control	Control status of lane departure alert system	Prohibit or Permit	Prohibit: Control prohibited Permit: Control permitted	-

      
      Chassis > LKA/LDA > Data List

      Tester Display
      LDA Control

      Result

      Result Proceed to The lane departure alert indicator illuminates and turns on according to the operation of the lane departure alert main switch A The lane departure alert indicator does not illuminate but the Data List item LDA Control changes according to the operation of the lane departure alert main switch B The lane departure alert indicator does not illuminate and the Data List item LDA Control does not change according to the operation of the lane departure alert main switch C

   
   

   A

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

   B

   REPLACE COMBINATION METER ASSEMBLY Click here

   C

   REPLACE FORWARD RECOGNITION CAMERA Click here