Restraint System

Description

CAN (Controller Area Network) is a serial communication system for real time application. It is an on-vehicle multiplex communication system with high data communication speed and excellent error detection ability.
Many electronic control units are equipped into vehicles, and each control unit shares information and links with other control units during operation. With CAN communication, control units are connected with two communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits and receives data but selectively reads required data only. Refer to "CAN COMMUNICATION SYSTEM : CAN Communication Signal Chart" CAN Communication Signal Chart.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM SELF-DIAGNOSIS

1.Turn ignition switch ON and wait for 7 seconds or more.
2.Using CONSULT, perform SELF-DIAGNOSIS RESULTS of AIR BAG.
3.Check if any DTC is displayed in the self-diagnosis results.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Refer to "Intermittent Incident" Intermittent Incident.


Diagnosis Procedure


1. CHECK CAN COMMUNICATION SYSTEM

Check CAN communication system. Refer to "Trouble Diagnosis Flow Chart" Trouble Diagnosis Flow Chart.
- Inspection End.