How To Proceed With Troubleshooting

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

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

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CHECK MULTIPLEX COMMUNICATION SYSTEM
(a) Check for DTCs.






B -- GO TO MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.
3. CHECK CAN COMMUNICATION SYSTEM*
(a) Check for DTCs.






B -- GO TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.
4. CHECK FOR DTC*
(a) Check for DTCs.
(1) Record the DTCs.
(b) Clear the DTCs.
(c) Recheck for DTCs.
(1) Simulate the malfunction and check if the DTCs are output again Pre-Collision System.






B -- GO TO STEP 9
C -- SYMPTOM SIMULATION
A -- Continue to next step.
5. DTC CHART*
NEXT -- Continue to next step.
6. CIRCUIT INSPECTION
NEXT -- Continue to next step.
7. REPAIR*
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END
9. PROBLEM SYMPTOMS TABLE
NEXT -- Continue to next step.
10. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
11. CONFIRMATION TEST
NEXT -- END