Great Wall Hover. Manual - part 87

CD Player and Air Conditioning System-2

CD Player

Function Overview

This product is a kind of car audio system with VFD multi-information integrated display screen with such functions as PLL

electronic tuning radio, CD playing and operation & control of air conditioning system, it can receive AM, FM and FM stereo

radio broadcast programs, play CDs, electronically operate and control the air conditioning system of the car. The integrated

display screen can display the working state of the radio, CD player, air conditioning system, operating mode as well as

information concerning the equalizer, clock and the temperature inside and outside.

Wiring Instructions(see the diagram)

with the speakers: the amplifier of main unit of this system is designed with 4-channel BTL output, each speaker must

be wired individually; the phase position and place of the speaker must be connected correctly; please disconnect the

player from the power supply before connecting the speaker so as to avoid the short-circuit.

2. Connecting main unit with the integrated display screen:

Use the specially-supplied 12-pin connector cable to connect the VFD integrated display screen and main unit.

3. Connection of power supply, output and communication line of main unit:

At first, connect the communication cable of the 20-pin connector plug to the air conditioner ECU, then connect the speaker

output line to other lines, finally connect the yellow memory power supply cord (10A fuse tube) directly to the positive role of

accumulator; when all the wiring is completed, connect the red power supply cord (1A fuse tube) to the positive power supply

of the ignition lock.

4. Connecting main unit with the antenna

Typical antenna: insert the plug of coaxial cable of car’s antenna into the antenna socket of main unit.

Automatic antenna: insert the plug of coaxial cable of car’s antenna into the antenna socket of main unit, then connect the blue

antenna control cable in the 20-pin connector to the automatic antenna control end, connect the positive pole line of power

supply of automatic antenna to the positive pole of accumulator and the negative pole line to the earth.

5. Connecting main unit with CD-change box

CD player and the CD-change box are connected with the signal cables.

Prior to the installation, please be sure to remove three protective screws on the CD-change box and have it pasted with

ant-dust paper. If the protective screws are not removed, CD can not be played normally.

Attention: Improper wiring may result in the damage to the player!

(Figure 7-1) Wiring Diagram

integrated display screen

12-pin connector cable

20-pin connector cable

antenna adaptor

main unit

CD Player and Air Conditioning System-3

(Figure 7-2) cable position of 2-pin connector socket

Pos. No.

Color

Function

Pos. No.

Color

Function

White

Send the data (TX)

Shielded cable

Earthing of data cable

Red

Receive the data (RX)

—

Brown

Telephone mute (TEL)

Blue

Automatic antenna (ANT )

Orange

Lighting (LAMP)

Red

Ignition power supply (ACC)

—

— 15

Grounding

wire

—

Yellow

Memory power supply B+

White and

black

Front left speak (-FL-)

Green and black

Rear left speak (-RL-)

White

Front left speak (+FL+)

Green

Rear left speak (+RL+)

Gray and

black

Front right speak (-FR-)

Violet and black

Rear right speak (-RR-)

Gray

Front right speak (-FR+)

Violet

{

Rear right speak (+RR+)

Possible Troubles of CD Player, Inspection and Analysis

Trouble Descriptions

Possible causes, inspection and solutions

No programs received for AM and FM

Check if the antenna is pulled out and socket becomes

loosened.

Impurity of sound after radio auto-searching

Tune to the correct radio station with manual tuning method

No sound of one speaker

Check the speaker and the socket or adjust the balance(front,

back, left and right)

Refuse to work

Check the power supply, or disconnect and connect the power

supply and restart the player.

No power supply

Check if the plug-in fuse and output plug is loosened and if the

fuse is burned down.

Single channel when played

Check if the speaker is in open-circuit and examine its plug

Not read CD

Check the CD type and if it is placed in reverse or scratched.

Display screen displaying bad

Check the connecting wire of display screen or adjust the

brightness level higher

Air conditioner refuses to start

Inspect the ECU of air conditioner and air conditioning system

Button failure of air conditioner

Inspect the ECU of air conditioner and air conditioning system

A-side View

CD Player and Air Conditioning System-4

Air Conditioning System

Composition of Air Conditioning System

Air conditioning system mainly consists of air conditioner control unit, display unit, sensors and executor elements.

fresh air damper executor

mode damper executor

emperature damper executor

integrated display screen

CD Player

outside temperature sensor

inside temperature sensor

temperature sensor

of the evaporator

of the air conditioner

CD Player and Air Conditioning System-5

1. integrated display screen 2. CD player 3. Air conditioner ECU 4. Temperature sensor the evaporator 5. Outside

temperature sensor

6. Outside temperature sensor 7. Speed-adjusting module 8. Temperature damper executor 9. Mode damper executor

10. Fresh air damper executor

Definition of each button on CD player of air conditioner panel

[1] Button to increase the temperature [7] wind conveying mode button

[2] Button to decrease the temperature

[8] button to start air conditioner

[3] automatic operation button

[9] button to decrease the wind amount

[4] front-defrost button

[10] power-off button of air conditioner

[5] rear-defrost button

[11] button to increase the wind amount

[6] external circulation button

Definition of each button in air conditioning display zone of the integrated display screen

[1] display of inside temperature setting of air conditioner

[5] switch button of outside temperature display

[2] display of automatic operation of air conditioner

[6] display zone of outside temperature

[3] display zone of wind conveying mode of air conditioner

[7] clock display zone

[4] display zone of wind amount of air conditioner

Control and display unit:Control and display unit of the air conditioner mainly consists of:

Air conditioner ECU: The CC6460K model is designed with the individual air conditioner ECU to control the overall operation

of air conditioning system; Air conditioner ECU is installed under the bottom of CD player.The control panel of air conditioner

is designed with an integrated pattern with the control panel of CD player: to regulate, control and set the operation of the air

conditioning system.

Integrated display screen: display the working condition of air conditioning system of the car; relevant functions of air

conditioning system can be found to be displayed in different zone in the integrated display screen.

The sensor

Sensors of CC6460K Model automatic air conditioning system include: inside temperature sensor, outside temperature

sensor, temperature sensor executor of the evaporator.

Executor components include: mode selection executor motor, cold & hot executor motor, internal & external circulation

executor motor.

Trouble Diagnosis and Repair of Automatic Air Conditioning System

1. Self-diagnosis of the system

CC6460K air conditioning system is designed with the system self-diagnosis function. When the air conditioning system fails to

work, the self-diagnosis function designed for the car can be activated for the initial trouble diagnosis.

Operating directions:

At first, start the engine (turn the ignition switch from OFF to ON) and press OFF,

A U TO, RR and MODE successively and the

pressing of MODE switch shall last at least 2 seconds. The button must be pressed down within 10 seconds when the engine is

started (the ignition switch is turned to ON position).If the system is supposed to be released, then press A U TO switch or turn

off the ignition switch (OFF) .If one step is supposed to switch to another step, then press TEMP (HOT) or TEMP (COLD)

switch based on the needs.

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