Lifan 620. Service 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 

206

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) 

207

 

 

 

 

 

 

 

 

 

208