SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

Last Modified: 11-29-2007		1.6 D
Service Category: Vehicle Interior	Section: Seat Belt
Model Year: 2008	Model: Sequoia	Doc ID: RM000002ZF8002X
Title: SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

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) Recheck for DTCs. Based on the DTCs output above, try to cause the output of the same CAN system DTC, airbag system DTC or occupant classification system DTC by simulating the symptoms indicated by the DTC.

Result

Result	Proceed to
DTC output does not reoccur	A
CAN communication system DTC output reoccurs	B
Airbag system DTC output reoccurs	C
Occupant classification system DTC output reoccurs	D

GO TO CAN COMMUNICATION SYSTEM

GO TO AIRBAG SYSTEM

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

6.	REPAIR OR REPLACE

7.	CONFIRMATION TEST

END