Check For Driver Air Bag Circuit; Check For Front Passenger Air Bag Module; Check For Front Passenger Air Bag Circuit; Check For Driver Safety Belt Pre-Tensioner - Lifan 620 Maintenance Manual

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(4) Connect the negative ground wire on the battery and wait for at least 3min.
(5) Turn the ignition switch to the position of ACC or ON and wait for at least 20s.
(6) Eliminate the flash DTC by the diagnostic instrument and read out the flash DTC.

7. Check for driver air bag circuit

(1) Measure the resistance between the DA+ and DA- at one side of the clock spring. Normal
resistance shall be above 1MΩ.
(2) Measure the resistance between the DA+ at one side of the clock spring and DA+ at one side
of the air bag ECU. Normal resistance shall be within 1MΩ.
(3) Measure the resistance between DA- at one side of the clock spring and DA- at one side of the
air bag ECU. Normal resistance shall be within 1MΩ.

8. Check for front passenger air bag module

(1) Turn the ignition switch to position LOCK.
(2) Remove the negative ground wire from the battery and wait for at least 3min.
(3) Connect the interface of the front passenger air bag module.
(4) Connect the negative ground wire on the battery and wait for at least 3min.
(5) Turn the ignition switch to the position of ACC or ON and wait for at least 20s.
(6) Eliminate the flash DTC by the diagnostic instrument and read out the flash DTC.

9. Check for front passenger air bag circuit

(1) Measure the resistance between the PA+ and PA- at one side of the air bag ECU. Normal
resistance shall be above 1MΩ.
(2) Measure the resistance between the PA+ at one side of the air bag ECU and PA+ at one side
of the front passenger air bag module. Normal resistance shall be within 1MΩ.
(3) Measure the resistance between the PA- at one side of the air bag ECU and PA- at one side of
the front passenger air bag module. Normal resistance shall be within 1MΩ.

10. Check for driver safety belt pre-tensioner

(1) Turn the ignition switch to position LOCK.
(2) Remove the negative ground wire from the battery and wait for at least 3min.
(3) Connect the interface on the driver safety belt pre-tensioner. See Fig. 5-10.
Fig. 5-10
(4) Connect the negative ground wire on the battery and wait for at least 3min.
(5) Turn the ignition switch to the position of ACC or ON and wait for at least 20s.
(6) Eliminate the flash DTC by the diagnostic instrument and read out the flash DTC.
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