HS 250h L4-2.4L (2AZ-FXE) Hybrid (2010)
Lane Departure System: Testing and Inspection
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 to the next step.
NEXT -- Continue to next step.
3. 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 See: Powertrain Management/Computers and Control Systems/Information
Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication System/How to Proceed With
Troubleshooting
A -- Continue to next step.
4. CHECK FOR DTC*
(a) Check for DTCs See: Reading and Clearing Diagnostic Trouble Codes.
(b) Clear the DTCs See: Reading and Clearing Diagnostic Trouble Codes.
(c) Recheck for DTCs See: Reading and Clearing Diagnostic Trouble Codes.
Result
B -- Go to step 7
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table See: Symptom Related Diagnostic Procedures.
Result