How To Proceed With Troubleshooting

SEAT BELT: SEAT BELT WARNING SYSTEM (w/ Occupant Classification System): HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use the following procedures to troubleshoot the seat belt warning 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 FOR DTC*
(a) Check for DTCs and make a note of any codes that are output.
(b) Clear the DTC.
(c) Recheck for DTCs. Based on the DTCs output above, try to cause the output of the same multiplex communication system DTC, airbag system DTC or occupant classification system DTC by simulating the symptoms indicated by the DTC.

Result:





B -- Go to MULTIPLEX COMMUNICATION COMMUNICATION SYSTEM
C -- Go to AIRBAG SYSTEM
D -- Go to OCCUPANT CLASSIFICATION SYSTEM
A -- Continue to next step.
4. PROBLEM SYMPTOMS TABLE
(a) Refer to problem symptoms table Problem Symptoms Table.
NEXT -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation check Seat Belt Warning System (w/ Occupant Classification System)
(b) Data List / Active Test Seat Belt Warning System (w/ Occupant Classification System)
(c) Terminals of ECU Seat Belt Warning System (w/ Occupant Classification System)
NEXT -- Continue to next step.
6. REPAIR OR REPLACE
NEXT -- Continue to next step.
7. CONFIRMATION TEST
NEXT -- END