Geely FC Workshop Manual page 269

7. Malfunction of pre-tension safety belt
Malfunction of pre-tension safety belt (resistance is too big or too small, short circuit,
Warning
Test condition
Possible reason
Diagnostic procedure
(1) Check the connector warning of safety belt pre-tension
If the treatment is wrong, pre-tension safety belt might be triggered to unfold to make heavy hu-
man hurt, so, before the treatment, it is necessary to read repairing warnings carefully.
Refer to repairing warning of safety airbag system.
a. Set the ignition switch at the LOCK position,
b. Loosen the cathode cable of battery and keep this state for one minute at least,
c. Disassemble B column defending board
d. Loosen the safety belt pre-tension connector
e. Is the safety belt pre-tension connector normal?
Normal: make next step
Abnormal: change the wiring harness
(2) Confirm malfunction reason is on pre-tension safety belt or on other parts.
a. Connect a good pre-tension safety belt on safety belt pre-tension connector,
b. Connect cathode cable of battery,
c. Set ignition switch at ON position,
d. Could the malfunction code be removed?
No: make next step,
Yes: change pre-tension safety belt.
Refer to safety airbag system, disassembling/assembling of pre-tension safety belt.
(3) Check the wiring harness between the pre-tension safety belt at the side of passenger and electronic
control unit of safety airbag system
a. Set ignition switch at LOCK position,
b. Loosen the cathode cable of battery and keep this state for one minute at least,
c. Loosen the connector of safety belt pre-tension module,
258
Supplemental restraint system--Remove malfunction
If the treatment is wrong, safety airbag assembly and pre-tension safety belt might be
triggered to unfold to make heavy human hurt, so, before the treatment, it is necessary
to read repairing warnings carefully.
Refer to repairing warning of safety airbag system.
If having pre-tension safety belt
The resistance between connector pin 1, 2 or pin 3, 4 of safety airbag system unit is
not in regulated scope.
The wiring harness between connector pin 1, 2 or pin 3, 4 of safety airbag system unit
happens short circuit.
The wiring harness between connector pin 1, 2 or pin 3, 4 of safety airbag system unit
happens open circuit, if there is not safety airbag at the side passenger.
Safety belt pre-tension has malfunction.
Connector between safety belt pre-tension and electronic control unit of safety airbag
system has malfunction.
Connector between safety belt pre-tension and grounding position has malfunction.
The circuit between safety belt pre-tension and electronic control unit of safety airbag
system happens open circuit or short circuit.
Circuit between safety airbag system unit and grounding position happens open circuit
or short circuit.
Safety airbag system unit has malfunction.
grounding and so on)