FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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How To Proceed With Troubleshooting








SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the occupant classification system.
- *: Use a Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
(a) Confirm customer problem symptoms How to Proceed With Troubleshooting.
NEXT -- Continue to next step.
3. CHECK FOR DTC*
(a) Check for DTCs and note any codes that are output Reading and Clearing Diagnostic Trouble Codes.
(b) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
(c) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes. 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





B -- Go to DIAGNOSTIC TROUBLE CODE CHART
C -- Go to DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.
4. PROBLEM SYMPTOMS TABLE
(a) Refer to the problem symptoms table Problem Symptoms Table.

Result





B -- Go to step 6
A -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECU Pinout Values and Diagnostic Parameters
(b) DATA LIST / ACTIVE TEST Scan Tool Testing and Procedures
NEXT -- Continue to next step.
6. REPAIR OR REPLACE
NEXT -- Continue to next step.
7. CONFIRMATION TEST*
NEXT -- END