Safety airbag system
T-44
Faults table of safety airbag system
B1301 ECU internal fault,
B1302 Power supply voltage too high
B1303 Power supply voltage too low
B1304 Driver-sided airbag resistance high
B1305 Driver-sided airbag resistance low
B1306 Driver-sided airbag short-circuited with the grounding
B1307 Driver-sided airbag short-circuited with the power supply
B1308 High airbag resistance of front seat occupant
B1309 Low airbag resistance of front seat occupant
B1310 Airbag of front seat occupant short-circuited with the grounding
B1311 Airbag of front seat occupant short-circuited with the power supply
B1312 High pre-tensioner resistance of driver safety belt
B1313 Low pre-tensioner resistance of driver safety belt
B1314 Pre-tensioner of driver safety belt short-circuited with the grounding
B1315 Pre-tensioner of driver safety belt short-circuited with the power supply
B1316 High pre-tensioner resistance of the safety belt of front seat occupant
B1317 Low pre-tensioner resistance of the safety belt of front seat occupant
B1318 Safety belt pre-tensioner of front seat occupant short-circuited with the grounding
B1319 Safety belt pre-tensioner of front seat occupant short-circuited with the power supply
B1320 Fault indicator short-circuited with the grounding or not connected.
B1321 Fault indicator short-circuited with the power supply
B1322 Wrong setting
B1324 Occupant airbag switch short-circuited with the grounding
B1325 Abnormal resistance of occupant airbag switch.
B1326 Occupant airbag switch short-circuited with the power supply or open-circuited
B1327
Off-indicator of occupant airbag short-circuited with the grounding or the circuit
disconnected
B1328 Off-indicator of occupant airbag short-circuited with the power supply
Others Other faults
Maintenance procedure of safety airbag
1. Fault indicator not lit after the power supply
turned on
1) Whether the fault log can be read out through
the diagnostic apparatus.
Yes: To the step (3)
No: To the step (2)
2) Check whether the restraint indicator of
occupant airbag displays ON in condition that
the occupant airbag indicator switch is in the
On position, and lit after the power supply
turned on and gone off in 4s.
Yes: Check the diagnostic interface and
relevant harness.
No: Replace the safety airbag controller.
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