How To Proceed With Troubleshooting

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

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.
-- Continue to next step.
3. INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
(a) Use the Techstream to check if the Multiplex Communication System (MPX) is functioning normally.

Result:





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.

Result:





B -- Go to step 7
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE

Result:





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