| Last Modified: 11-27-2007 | 1.6 D | |
| Service Category: Vehicle Interior | Section: Seat Belt | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000000Y5I02AX |
| Title: SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 LX570) | ||
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 |
|
|
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.
|
|
3. |
CHECK FOR DTC* |
(a) Check for DTCs and make a note of any codes that are output.
(b) Clear the DTCs.
(c) Based on the DTCs output above, try to cause the output of the same CAN communication system DTC or airbag system DTC by simulating the symptoms indicated by the DTC. Then recheck for DTCs.
Result
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
CAN communication system DTC is output |
B |
|
Airbag system DTC is output |
C |
|
Occupant classification system DTC is output |
D |
| B |
|
Go to CAN COMMUNICATION SYSTEM |
| C |
|
Go to AIRBAG SYSTEM |
| D |
|
Go to OCCUPANT CLASSIFICATION SYSTEM |
|
|
4. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to the Problem Symptoms Table
.
|
|
5. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
(b) Data List / Active Test
(c) Terminals of ECU
|
|
6. |
REPAIR OR REPLACE |
|
|
7. |
CONFIRMATION TEST |
| NEXT |
|
END |
|
|