Lifan 620. Manual — part 51

Fig. 4-25

205

7. Driver’s seat belt reminder buzzer does not work properly, as shown in Table 4-4.

Table 4-4

Symptom Cause

Driver’s seat belt reminder buzzer does

not work properly

1 Faulty instrument cluster

2 Faulty air bag ECU

3 Faulty wiring and connector

4 Faulty seat belt buckle switch

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3. Check the tachometer
Start the engine at DC 13.5V±0.5V, ambient temperature 25 ±5 ,

℃

℃

externally connect with

trouble diagnostic instrument to measure the rotation speed, the value measured should
correspond to the instrument display within a permissible range, as shown in the table below.
Tachometer permissible range (see Table 4-5)

Table 4-5

Value measured (rpm)

Instrument display (rpm)

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