How To Proceed With Troubleshooting
PRE-COLLISION: PRE-COLLISION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use the following procedure to troubleshoot the pre-collision 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 CAN COMMUNICATION SYSTEM
(a) Use the Techstream to check if the CAN communication system is functioning normally Pre-Collision System.
Result:
B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.
4. CHECK FOR DTC*
(a) Check for DTCs Pre-Collision System.
(1) Record the DTCs.
(b) Clear the DTCs.
(c) Recheck for DTCs.
(1) Attempt to duplicate the malfunction and check if the DTCs are output again Pre-Collision System.
Result:
B -- GO TO DTC CHART Pre-Collision System
C -- GO TO SYMPTOM SIMULATION How To Proceed With Troubleshooting
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table Pre-Collision System.
Result:
B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Data List / Active Test Pre-Collision System
(b) Terminals of ECU Pre-Collision System
NEXT -- Continue to next step.
7. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END