Chery QQ6 (S21) / S12LHD. Manual — part 57

2. Principle of Clearance Lamp Control

The clearance lamp is controlled using a light switch. When the switch is in the clearance lamp

position, the terminals 5# and 6# of the light switch will be turned on to make the power supply

from the fuse F4 get to the clearance lamp via the angle 5#, and the front and rear clearance lamps

connect to the fuses F13 and F14 respectively. In addition, the license plate lamp also lights.

3. Night Light and Electric Headlamp Control

When the light switch is in the clearance lamp position, the terminals 6# and 9# of the light switch

are turned on, which supplies the electric power to the terminal 4# of the nightlight regulating

switch and thus makes all nightlight circuit power on. Surely, the brightness is controlled by the

regulation resistance mounted on the nightlight switch. When the light switch is in the headlamp

position, the power supply from the fuse F11 is connected via the angles 3# and 8# of the

headlamp switch which are used to supply the electric power to the electric switch and headlamp

relay. In this case, the electric switch can employ its slide resistor to control the operation of

electric motor. So, from the principles above, it can be concluded that the night light works only

when the light switch is in the clearance lamp or headlamp position, and the electric headlamp can

be adjustable only when the light switch is in the headlamp position.

IV. Headlamp Control

1. Principle of low beam lamp control

When the light switch is in the headlamp position, the terminal 8# of the light switch offers

the light control switch’s 6# terminal the electric power. When the light control switch is in the

low beam position, the switch will turn on the terminals 6# and 5# to make the low beam relay

close and thus light up the low beam lamp.

2. Principle of high beam lamp control

When the light control switch is in the headlamp position, the switch will connect the power

supply from the terminal 8# of the light switch and the terminal 4# of light control switch, which

makes the high beam relay close and thus lights up the high beam lamp.

Right High B

e

am

Right

Low Beam

Left

H

igh Beam

L

eft Low Beam

Light Switch

Light Regulating
Switch

High Beam Indicator

High Beam
Relay

Low Beam
Relay

Terminal

Light
Control
Lamp

OFF

Headlamp

Power

Clearance
Lamp

15a

Ka

30a

15

30

Power

Clearance
Lamp

Headlamp

3. Principle of the passing lamp control

When the light control switch is in PASS position (passing lamp position), the switch directly

offers the high beam relay the electric power from the fuse F4, without via the light switch, which

lights up the high beam lamp. So, it is unnecessary to open the light switch when the passing lamp

is in service.

V. Turn Signal Lamp Control

Rear
Right
Lamps

Rear
Left
Lamps

To Anti-theft Module

To Instrument

Turn
Signal
Switch

Flasher
Relay

Alarm
Switch

14

30

30a

15a

15

Ka

To Anti-theft Module

To Instrument

1. Principle of turn signal lamp control

The turn signal lamp control is divided into three categories while the final control is

implemented by the flasher relay.

Alarm switch control: The alarm switch has the power supply from the battery F7 fuse. So, it

ensures that the switch can work in case that the ignition switch doesn’t turn on. When the alarm

switch is in ON position, the flasher relay is powered by the terminals 5# and 6# of the alarm

switch. In this case, the emitter electrode of the relay will provide a intermittent voltage signal,

and the terminals 1#, 2# and 3# of two alarm switches utilize this intermittent signal to turn on the

turn signal lamp and make the turn signal lamp work.

Turn signal lamp control: When the alarm switch is out of service, the electric power of

flasher relay base electrode is supplied from the terminal F16 of the ignition switch. In case that

the turn signal lamp switch turns on the left or right circuit, the intermittent power supply from

flasher relay will enable the corresponding turn signal lamp to work. So, the turn signal lamp

control is just the direct switch control.

BCM control: For the sake of body anti-theft requirement, the turn signal lamp is required to

work when remote control of arming and the elimination of anti-theft. So, BCM also controls the

turn signal lamp. This control is not via the alarm and turn signal switches, and its intermittent

signal is implemented with its internal circuit.

VI. Electric Rear-View Mirror

30

30a

15

15a

Ka

To
Night
Light

Right Rear-View
Mirror

Left Rear-View
Mirror