Chery S11 / Chery QQ. Manual — part 68

Chery QQ Service Manual BCM Computer Control System

connecting wire defective

repair or replace

None of the power windows

works

connecting wire defective

power window motor

power window switch

theftproof computer

repair or replace wire

repair or replace
repair or replace
repair or replace

Power window does not lower

power window switch

power window motor

connecting wire defective

repair or replace
repair or replace
repair or replace

Power window does not rise

power window switch

power window motor

connecting wire defective

repair or replace
repair or replace
repair or replace

Power window rises slowly

connecting wire defective

power window motor

power window switch

theftproof computer

repair or replace wire

repair or replace
repair or replace
repair or replace

Power window does not

lowers slowly

connecting wire defective

power window motor

power window switch

theftproof comupter

repair or replace wire

repair or replace
repair or replace
repair or replace

Ⅴ

. Inspection and Repair of the control device of electric door lock

1.Description of the operation of central control door lock

Key Remote controller

All the doors can be operated simultaneously with the key and the remote controller

All the doors can be locked or unlocked at the driver side door lock with the key.

While unlocking, secure buttons of all the doors move upward. While locking, secure

buttons of all the doors move downward. The doors can also be locked by pushing the

- 116 -

Chery QQ Service Manual BCM Computer Control System

secure button down.

Door lock

The front doors can be locked and unlocked from outside with the key and can be locked

from inside with the door handle.

Before leaving the car, push down the locking rod down and close the door to lock it.

After entering the car and turning the start-up switch on, if the door is not locked or

opened within 5min, it will be locked automatically. Once the start-up switch is off and

the key is pulled out, the door lock will be unlocked automatically.

Operating mode

When the driver locks or unlocks the door lock, the door operating device installed on

the side of driver seat, lock or unlock signal will be sent to the micro switch in the door

lock. According to the lock or unlock signal sent by the door operating device, The BCM

computer (theftproof computer) will activate the motor integrated in the door operating

device. The built-in motor of the door operating device is controlled by the signal on the

201 terminal of the BCM computer (theftproof computer) to lock and unlock each door

lock jointly. Or the rotating direction of the door lock motor is changed according to the

direction of output current of BCM computer (theftproof computer)), whereby the door

lock will be locked or unlocked through the connecting rod.

门锁的组件

components of the door lock

20006

2.

Inspection and Repair

of the Central Control Door Lock

(1) BCM computer (theftproof computer)

The BCM computer (theftproof computer) is installed in the instrument panel on the left

- 117 -

Chery QQ Service Manual BCM Computer Control System

side of the lower evaporation box. It gets power supply from the secondary cell, and

receives opening and closing signal from the door lock device of the front left door to

control the direction of the central door lock device. The BCM computer (theftproof

computer) is in charge of controlling the central door lock and power window.

(2) Door lock operating device (driver seat side)

When the driver opens the front left door from outside, the micro switch inside the door

lock operating device connects the circuit to the ground or disconnected it from the

ground, and sends signals to the BCM computer (theftproof computer). When the driver

opens the front left door from inside, by turning the start-up switch off and pulling the

key out, the BCM computer (theftproof computer) will unlock the central control door

lock automatically, or if the door on the driver side is open directly, the central controlled

door lock will be unlocked.

(3) Door lock operating device (front passenger side door and rear doors)

Midget motors are provided in the three door lock operating devices. Both terminals of

each of these motors receive positive or negative current from the BCM computer

(theftproof computer), the rotating direction of the motors is changed, and the door locks

are operated in opening or closing direction through the connecting rods.

(4) Inspection of the door lock motor

Malfunction of the door lock motor can be determined by checking the electric resistance.

Specifically, check the electric resistance on the terminal 1 and 2 of the connector of the

door lock operating device. If infinity shows, broken coil of the motor can be determined.

A simple way of inspection is, supply instantaneous (within 0.3s) current to the

terminal 1 and 2 of the connector of the door lock operating device, the motor should

rotate; if reverse current is supplied, the motor should rotate in opposite direction. It

should be noted, that the supply time should be short, otherwise the armature coil may be

damaged due to overload.

①

Inspection of the operating of motors

a、Connect the positive pole (+) to the terminal 1, and the negative pole (-) to the

terminal 2, check if the door lock connecting rod moves to the “UNLOCK” position

b、Connect them reversely, check if the door lock connecting rod moves to the

“LOCK” position. If it is not the case, replace the door lock assembly.

3. Circuit Diagram

- 118 -

Chery QQ Service Manual BCM Computer Control System

Pages 107-108 show the circuit diagram of power supply of the power

window

Ⅵ.The structure, Inspection and Repair of the power rearview mirror

1. Internal rearview mirror

External appearance of the assembly

Technical

parameter

No. Parameter

Criterion

1

reflectivity of the mirror

≥40%

Angular of upward

adjustment of the rearview

mirror

≥22

Angular of downward

adjustment of the rearview

mirror

≥28

Angular of leftward

adjustment of the rearview

mirror

≥30°

2

Angular of rightward

adjustment of the rearview

mirror

≥30°

3

Angular of adjustment of

handle

4°30ˊ

- 119 -