How To Proceed With Troubleshooting

PRE-COLLISION: PRE-COLLISION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the procedures to troubleshoot the pre-collision system.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

NEXT -- Continue to next step.

3. 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.

4. CHECK CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the CAN communication system is functioning normally.

Result





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

5. CHECK FOR DTC*

(a) Clear the DTCs Pre-Collision System.

(b) Recheck for DTCs Pre-Collision System.

Result





B -- Go to DIAGNOSTIC TROUBLE CODE CHART Pre-Collision System

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

6. PROBLEM SYMPTOMS TABLE

Result





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

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU Pre-Collision System.

(b) Data List / Active Test Pre-Collision System.

NEXT -- Continue to next step.

8. ADJUST, REPAIR OR REPLACE

HINT
Perform proper procedures according to corresponding faults listed in the problem symptoms table or the corresponding DTCs listed in the diagnostic trouble code chart.

NOTICE:
* If the object recognition ECU or object recognition camera is replaced, the camera needs to be adjusted Adjustments.
* If the millimeter wave radar sensor is replaced, the beam axis of the sensor needs to be adjusted Adjustments.
* If the driving support ECU is replaced, initialization needs to be performed Testing and Inspection.

NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END