Initial Inspection and Diagnostic Overview

CRUISE CONTROL: LANE-KEEPING ASSIST SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the lane-keeping assist system.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT -- Continue to next step.

3. CHECK FOR DTC (ELECTRIC POWER CONTROL SYSTEM)*

(a) Using the Techstream, check if the electric power control system is functioning normally.

Result





B -- Go to ELECTRIC POWER CONTROL SYSTEM Electric Power Control System
A -- Continue to next step.

4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN Communication System is functioning normally.

Result





B -- Go to CAN COMMUNICATION SYSTEM Diagnosis System
A -- Continue to next step.

5. CHECK FOR DTC*

(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(c) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result





B -- Go to step 8
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.

Result





B -- Go to step 8
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU Pinout Values and Diagnostic Parameters

(b) Data List / Active Test Scan Tool Testing and Procedures

NEXT -- Continue to next step.

8. ADJUST, REPAIR OR REPLACE

NOTICE:
When the object recognition ECU or object recognition camera is replaced with a new one, adjustment of the camera sensor beam axis must be performed Adjustments.

NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END