SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

Last Modified: 11-29-2007		1.6 D
Service Category: Vehicle Interior	Section: Supplemental Restraint Systems
Model Year: 2008	Model: Sequoia	Doc ID: RM0000010V102XX
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

Use these procedures to troubleshoot the occupant classification system.
*: Use the Techstream.

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

(a) Confirm customer problem symptoms .

3.	PASSENGER AIRBAG ON/OFF INDICATOR CHECK

4.	CHECK FOR DTC (Present and Past DTC)*

(a) Check for DTCs and note any codes that are output .

(b) Check for DTCs .

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

Result

Result	Proceed to
DTC is output	A
DTC is not output	B

Go to DIAGNOSTIC TROUBLE CODE CHART

DTC CHART

6.	CIRCUIT INSPECTION*

REPAIR

8.	CLEAR DTC (Present and Past DTCs)*

(a) Clear DTCs .

9.	DTC CHECK (Present and Past DTC)*

(a) Check for DTCs ).

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

Go to step 5

10.	SYMPTOM SIMULATION

(a) Check the passenger airbag ON/OFF indicator condition .

Result

Result	Proceed to
Passenger airbag ON/OFF indicator operates normally	A
Passenger airbag ON/OFF indicator ("OFF") and SRS warning light come on	B

Go to step 5

11.	CONFIRMATION TEST*

END