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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: 420 of 549
B100D-86:- Passenger Side Peripheral sensor signal invalid
Overview:-
ISO Code
B100D86
Customer Symptom
SRS Warning Lamp continuously ON in Instrument Cluster.
Fault Effects (On Vehicle)
Passenger Side Crash detection performance is degraded &
Passenger Side angular crash detection is not guaranteed.
Lamp Status (If Any)
SRS Warning Lamp continuously ON in Instrument Cluster.
Fault Detection Condition
This fault gets logged if an invalid signal is obtained from
Passenger Side peripheral Sensor.
Normal Operating Condition
Proper signal should be obtained from Passenger Side
peripheral Sensor.
Probable Trouble Area
Related wiring Harness, connector or terminals
Passenger Side peripheral Sensor.
Airbag Wiring Harness
Airbag ECU
Healing Condition
Airbag ECU & Wiring Harness should be checked for any shorts,
bents or damage & it needs to be rectified.
Component Details:-
Passenger Side peripheral Sensor
: - These sensors are mounted on left side “B” pillar at the bottom end.
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 locking sound.
4.
Check whether the Passenger side peripheral sensor is connected properly to the wiring harness.
Ensure the proper locking of the Passenger side peripheral sensor to the wiring harness connector.
Trouble Shooting:-