Lifan 620. Manual - part 53

4. Switch of left front glass frame riser (Fig. 4-36 and Table 4-6) 

 

 

Fig. 4-36 

 

Table 4-6 

15—body U/G 

Right front glass frame 

riser motor up 

Ignition ON-position, rise-stop glass 

4～5V →Less 

than 1V 

16—body U/Y 

Right front glass frame 

riser motor down 

Ignition ON-position, descend-stop 

glass 

4～5V →Less 

than 1V 

 
 
 
 

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5. Power window circuit (Fig. 4-37) 

 

 

3. Faulty wiring 

One power window does not work 

1. Faulty glass frame riser switch of corresponding door 

2. Faulty glass frame riser motor 

3. Faulty wiring 

Window locking system does not 

work 

1. Faulty safety switch of left front door glass frame riser 

switches 

2. Faulty wiring 

 

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III. Component check 

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Section III    BCM Central Lock, Burglar Alarm System 

 

I. Overview 

The central lock system is part of BCM (body control module), jointly used with burglar alarm 
system, mainly responsible for the control of four door-lock motors, remote keyless entry and inner 
lighting control, inactive car start after entering burglar alarm, car locating and so forth. Refer to 
use’s manual to find more, its control principle as shown in Fig. 4-38 and Fig. 4-39. 

 

Fig. 4-38

 

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