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SRS / Airbag
ECU – DTC Troubleshooting Guide
Version: 14.0
Date: 14-February-2017
Prepared by:Airbag COC Review &
Approved by:Sanjeev VM
Page: 369 of 549
DTC’s confirmation:-
After rectification, ensure the following points using TML diagnostic tool before handing over to customer.
e) Clear the DTC’s & make sure no DTC’s are present for Airbag system
f) Check whether any new DTC’s are getting qualified for repeated cranking.
g) Ensure the Airbag Warning Lamp Indication is continuously ON in Instrument Cluster for
4 seconds
after
Ignition ON
h) Ensure the Airbag Warning Lamp Indication goes OFF after
4 seconds
from Ignition ON.
Circuit Schematic Diagram:-
Schematic shown below for illustration
Battery>>>>>Fuse>>>>Relay>>>>>>>Sensor/Actuator>>>>>ECU
Connector View & Information: -
SRS (Airbag/RCM) ECU Chamber Coding & color are:
Chamber
Coding
Color
Chamber A
D
Blue
Chamber B
C
Brown
SRS ECU Connector View & Information:-