Chery S11 / Chery QQ. Manual - part 60

             

Chery QQ Service Manual                              BCM Computer Control System   

     

 

A21 Grounding 

 

A22 

Signal for elevation of left rear power window   

A23 

Signal for decline of left rear power window   

A25 

Antitheft indication signal to left turn indicator

   

B1 

Elevation signal to left front power window switch

 

B2 

Decline signal to right front power window switch 

B3 

Elevation signal to right front power window switch 

B4 

Decline signal to right rear power window switch 

B5 

Elevation signal to right front power window switch 

B6 

Decline signal to left rear power window switch 

B7 

Elevation signal to left rear power window switch 

B9 

Decline signal to left front power window switch

   

B10 

Switch of antitheft device   

B11 

Signal for boot switch   

B13 

Signal of antitheft indicator   

B14 

Signal for door switch   

B16 Antitheft 

antenna 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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Chery QQ Service Manual                              BCM Computer Control System   

     

 

 
3．Inspection and repair of BCM computer (antitheft computer) circuit 

 

Connect the plug on to BCM computer (antitheft computer). As shown in the figure 
above, check each circuit terminal, with the result as tabulated below.   

 
     Figure   Check of BCM Computer (antitheft computer) Circuit 

Connection 

Check 

Condition Standard 

Value 

Ignition switch “ON”, power window switch 

“UP” 

Power supply voltage

A1-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

Conducting 

Ignition switch “ON” 

Power supply voltage

A2-Grounding

Ignition switch “Off” 

Nonconducting 

Ignition switch starts the motor, and makes it 

work 

  Power supply 

voltage 

A3-Grounding

Ignition switch starts the motor but fails   

Nonconducting 

Unlock door with key 

Conducting 

A4-Grounding

Lock door with key 

Nonconducting 

A5-Grounding

Normal   

Power supply voltage

A6-Grounding

Normal 

  Power supply 

voltage 

A7-Grounding

Normal 

  Power supply voltage

A8-Grounding

Normal Grounding 

A9-Grounding

Normal Grounding 

Antitheft works 

  Power supply 

voltage 

A10-Grounding

Antitheft fails 

Nonconducting 

Central control lock “OFF”   

    Power supply 

voltage 

A11-Grounding

Central control lock “ON” 

Conducting 

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Chery QQ Service Manual                              BCM Computer Control System   

     

 

Central control lock “ON” 

    Power supply 

voltage 

A12-Grounding

Central control lock “OFF” 

Conducting 

Antitheft works   

  Power supply voltage

A13-Grounding

Antitheft fails 

Nonconducting 

Ignition switch “ON”, power window switch 

“UP” 

Conducting 

A14-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

  Power supply 

voltage 

Ignition switch “ON”, power window switch 

“UP” 

  Power supply 

voltage 

A15-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

Conducting 

Ignition switch “ON”, power window switch 

“UP” 

Conducting 

A16-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

  Power supply 

voltage 

Ignition switch “ON”, power window switch 

“UP” 

  Power supply 

voltage 

A17-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

Conducting 

Ignition switch “ON’, power window switch 

“UP” 

Conducting 

A18-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

  Power supply voltage

A19-Grounding

Normal 

  Power supply 

voltage 

A21-Grounding

Normal 

 

Conducting 

Ignition switch “ON”, power window switch 

“UP” 

  Power supply 

voltage 

A22-Grounding

Ignition switch “ON”, power window switch 

“Down” 

Conducting 

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Chery QQ Service Manual                              BCM Computer Control System   

     

 

Ignition switch “ON”, power window switch 

“UP” 

Conducting 

A23-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

  Power supply 

voltage 

Antitheft works 

  Power supply 

voltage 

A25-Grounding

Antitheft fails 

Nonconducting 

Ignition switch “ON”, power window switch 

“UP” 

Conducting  

B1-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

Nonconducting 

Ignition switch “ON”, power window switch 

“UP” 

Nonconducting 

B2-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

Conducting 

Ignition switch “ON”, power window switch 

“UP” 

Conducting 

B3-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

Nonconducting 

Ignition switch “ON”, power window switch 

“UP” 

Nonconducting 

B4-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

Conducting 

Ignition switch “ON”, power window switch 

“UP” 

Conducting 

B5-Grounding

Ignition switch “ON” power window switch 

“DOWN” 

Nonconducting 

Ignition switch “ON”, power window switch 

“UP” 

Nonconducting 

B6-Grounding

Ignition switch “ON”, power window switch 

“DOWN” 

Conducting 

B7-Grounding

Ignition switch “ON”, power window switch 

“UP” 

Conducting 

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