How To Proceed With Troubleshooting

SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the supplemental restraint 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.

3. INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*

(a) Use the Techstream to check if the Multiplex Communication System (MPX) is functioning normally.





B -- Go to MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.

4. CHECK FOR DTC*

(a) Check for DTC Reading and Clearing Diagnostic Trouble Codes.





B -- Go to step 7
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE





B -- Go to step 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING

(a) On-vehicle inspection Steering Pad.

(b) Terminals of ECU Pinout Values and Diagnostic Parameters.

NEXT -- Continue to next step.

7. REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END