9.2.6 Diagnostic Information and Procedures
9.2.6.1 Visual Inspection
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Confirm Fault Symptoms
During diagnostic, the most difficult situation is that there is not any symptom. In this case, the technician must thoroughly analyze
the described fault, and then simulate the conditions and the environment when the fault occurs. Even for a very experienced
technician, if the fault system has not been confirmed before the diagnostic, it is likely to ignore a number of important things,
and misjudge a fault, which will lead to diagnostic failure.
–
Check the easy to access system components to identify whether there is a significant damage or potential failure.
–
Connectors and vibration pivot joints should be thoroughly examined. If it is a vibration caused fault, it is recommended to use
vibration method.
1. With a finger to gently shake the possible faulty part and inspect for malfunction.
2. Shake the connector vertically and horizontally gently.
3. Shake the wiring harness vertically and horizontally gently.
9.2.6.2 Fault Diagnostic Code (DTC) Table
Airbag Control Module Status
DTC Code
Description
B1021
Driver Front Airbag Circuit Short To GND
B1026
Passenger Front Airbag Circuit Short To GND
B1031
Driver Seat Belt Circuit Short To GND
B1036
Passenger Seat Belt Circuit Short To GND
B1041
Driver Side Airbag Circuit Short To GND
B1046
Passenger Side Airbag Circuit Short To GND
B1051
Driver Curtain Airbag Circuit Short To GND
B1056
Passenger Curtain Airbag Circuit Short To GND
B1022
Driver Front Airbag Circuit Short To + B
B1027
Passenger Front Airbag Circuit Short To + B
B1032
Driver Seat Belt Circuit Short To + B
B1037
Passenger Seat Belt Circuit Short To + B
B1042
Driver Side Airbag Circuit Short To + B
B1047
Passenger Side Airbag Circuit Short To + B
B1052
Driver Curtain Airbag Circuit Short To + B
B1057
Passenger Curtain Airbag Circuit Short To + B
B1023
Driver Front Airbag Low Resistance
B1028
Passenger Front Airbag Low Resistance
B1033
Driver Seat Belt Low Resistance
9-10
Airbag System
Safety Protection Device
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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