How To Proceed With Troubleshooting

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

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. 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 MULTIPLEX COMMUNICATION SYSTEM*
(a) Using the Techstream, check if the multiplex communication system (MPX) is functioning normally Pre-Collision System.

Result:





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

Result:





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