Lifan 620. Manual — part 56

Table 4-10

Testing terminal

Wire color

Terminal description

Test condition

Standard value

(2-1)－body

U/W

Unlocking of central

control switch

Active low

Less than 1Ω

(2-2)－body

G/U

Locking of central

control switch

Active low

Less than 1Ω

(2-17)－body

W

Remote control

receiving antenna of

Always Less

than

1Ω

V. Burglar alarm

During alert state, if the key is inserted into ignition lock, ignition switch short-connected, four
doors and backdoor open, then the fuel control output is inactivated, the annunciator sounds
continuously and steering light flashes; after 20 seconds, the annunciator stops, only flash
continues; after another 10 seconds, flash stops; alarm can only be stopped by pressing unlocking
key, after which, the ignition switch recovers its control over oil passage.

For central lock trouble symptoms of body control module, refer to Table 4-11.

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Table 4-11

Symptom Cause

Symptom Cause

Door lock control

system does not

work

1 Faulty power supply fuse

2 Faulty body control module

3 Faulty wiring

Door lock locking/unlocking

fault (apply central control

switch and key)

1 Faulty air conditioning

controller

2 Faulty body control module

3 Faulty wiring

4 Faulty door key

locking/unlocking switch

1 Faulty body control module

①

③

Left front door central lock actuator

Fig. 4-51

226

①

②

Press the key on remote controller for three times and check if the LED on the controller flashes

for three times as well; if press the key and hold on, the LED should light constantly. Note: If press
the key for more than three times and the LED still does not light up, a dead battery might be the
case.
2) Automatic locking check

①

When the car is at burglar alarm state, press the unlocking key on remote controller, if no door

is opened within 30 seconds upon unlocking, automatic locking of all doors will be implemented,
burglar alarm be activated again, steering light not flash, and annunciator not sound.

Under the condition above, if

②

any door is opened within 30 seconds upon unlocking, automatic

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locking of all doors will not be implemented.
3) Security check

When the key is inserted into the ignition lock cylinder and the lock

①

ing or unlocking key on

remote controller is pressed, no door lock will be locked or unlocked.

②

If an unregistered remote controlled is applied for operation, then the door lock should not be

locked or unlocked; when an registered remote controller is applied, the door lock should be
available for locking and unlocking.
4) When the key is not inserted into the ignition lock cylinder, and the door is open or ajar, close
the door by remote control, the door lock will be locked with a warning generated.
5) Steering signal lamp flash check

①

②

③

④

⑤

⑥

⑦

⑧

Press the luggage boot key on remote controller (EX): Under alert state, first disarm and then

unlock the luggage boot. If unlocking is not implemented within 60 seconds and luggage boot is
not closed, the steering light flashes to indicate probable wrong opening. The flash stops upon
unlocking or closing of luggage boot.
If it is qualified for the conditions aforesaid, then the system is in a normal state; if not, proceed to
the next step.
(2) Remote controller battery check
Upon pressing the remote controller switch three times, the LED of remote controller should light
for three times.

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