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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: 36 of 549
B0010-1B:- Passenger Frontal Stage 1 Deployment Control circuit resistance above threshold
Overview:-
ISO Code
B00101B
Customer Symptom
SRS Warning Lamp continuously ON in Instrument Cluster.
Fault Effects (On Vehicle)
Passenger Airbag deployment not guaranteed, if a crash
happens
Lamp Status (If Any)
SRS Warning Lamp continuously ON in Instrument Cluster.
Fault Detection Condition
This fault gets logged if the circuit resistance of Passenger
Airbag is above the threshold value (5.5 Ohm) after 4 seconds of
cranking.
Normal Operating Condition
The maximum threshold for Passenger Frontal Stage 1
Deployment Control circuit is 5.5 Ohm.
Probable Trouble Area
Related wiring Harness, connector or terminals
Passenger Airbag Module
Airbag ECU
Airbag Wiring Harness
Healing Condition
Maximum threshold resistance for Passenger Airbag should be
less than 5.5 Ohm.
Component Details:-
Passenger Airbag Module
:- It is fitted inside the dashboard in front of the co-driver or passenger seat which consists
of a flexible fabric envelope or cushion designed to inflate rapidly during an accident.
Airbag ECU
:- It is fitted in the floor of central console in the car. The Airbag Electronic Control Unit (ECU) controls
the deployment system to allow an appropriate igniting of the Airbags and belt pre-tensioners to restrain the Driver
and passengers.
Preliminary Checks:-
1. Check Battery Voltage (12 V & above)
2. Check for any faults in Airbag Warning Lamp indication in Instrument Cluster.
3. Ensure the proper locking of Airbag ECU wiring harness connectors in the vehicle by the l ocking sound.
Trouble Shooting:-