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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: 512 of 549
DTC’s confirmation:-
After rectification, ensure the following points by referring engine parameters 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) C
heck 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
Component Location & Image:-
Fig 470:Second row right seat belt pretensioner
Connector Location:-
The Chamber Coding & color are:
+
V
12
Battery
A23
CAN H
Ignition Sw itch
CAN L
A12
A7
-
RESTRAINTS
CONTROL
MODULE
Belt
Tensioner
Rear
Driver
A1
A2
Fuse 10A
B4
B3
BTRD-
BTRD+
Vbat