FOREWORD

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Outline

• The OBD (on-board diagnostic) system has the following functions:

― Malfunction detection function: Detects malfunctions in the air bag system and outputs DTCs (Diagnostic Trouble Codes).

― PID/data monitor function: Reads out specific input/output signals and the system status.

• DTCs can be read/cleared using the M-MDS.

Note

• Use the M-MDS to verify DTCs because the DTCs displayed by the air bag system warning light are reference information only.