DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when malfunctions occur.
The diagnostic system allows for reading of the trouble codes from the DLC3 using the Techstream.
Use the Techstream to help diagnose and repair the problem.
2. CHECK DLC3
(a) Check the DLC3 (See page
).
Problem Symptoms Table
Terminals Of EcuCenter Airbag Sensor Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Center Airbag Sensor Communication Stop Mode
"SRS Airbag" is not displayed on "CAN Bus Check" screen of the
Techs ...
Front Occupant Classification Sensor RH Collision Detection (B1786)
DESCRIPTION
DTC B1786 is output when the occupant classification ECU receives a collision
detection signal sent by the front occupant classification sensor RH if an accident
occurs.
DTC B1786 is also output when the front seat assembly RH is subjected to ...
Short in Passenger Side Airbag Variable Vent Hole Squib Circuit (B181A/7A-B181D/7A)
DESCRIPTION
The passenger side airbag variable vent hole squib circuit consists of the center
airbag sensor assembly and front passenger airbag assembly.
The center airbag sensor assembly uses this circuit to deploy the airbag when
deployment conditions ...