Geely Emgrand X7. Manual part — 426

12

Lamplet (+)

0.3L

Input

+12v DC signal

13 Ground

0.3B

Output GND

DC

signal

14 Ground

0.3B

Output GND

DC

signal

15 -

-

-

-

16 -

-

-

-

17 -

-

-

-

18 -

-

-

-

19 -

-

-

-

20 -

-

-

-

21

Speed signal

0.3Y/G

Input

Pulse signal

22

Rear defrost signal

0.3O

Input

A627 A628 DC signal

23

Ignition switch 2

0.3R/G

Input

A627 A628 DC signal

8.2.7.4 Data flow table

Serial
Number

Description

Range of data

1 Inside

Temperature

Sensor

-40℃- 80℃

2

Outside Temperature Sensor

-40℃- 80℃

3 Evaporator

temperature

sensor

-40℃- 80℃

4

Heater temperature sensor

-40℃- 80℃

5 Sunlight

sensor

0W-W

6

Temperature regulating motor

0%-100%

7

Air Direction Adjusting Motor

0%-100%

8

Inside and outside circulation motors

Inside/outside

9

Backlight adjustment

PWM signal.0%-100%

10 Compressor

control

On/Off

11 Rear

defrost

control

On/Off

12 Vehicle

speed

signal

0-255Km/h

13 Blower

voltage

0-16.5V

14 Battery

voltage

0-18.5V

1703

8.2.7.5 Controller self-inspection testing

1

The ignition switch is turned from the gear OFF to the gear ON.

2

Continuously press the "Circulated Air" switch 4 times within 2 seconds when the "OFF" switch is
pressed.

3

Start self-inspection testing after the LCD backlight flickers 3 times.

4

Self-inspection item,

5

Self-inspection item,

A. For replacement of the A/C control module, see "8.2.8.1 replacement of A/C control module".

Does the blower operate normally?

6

Control A/C ,

1. During self-inspection function running, data display area is the position to set teperature displaying, while

other positions are "OFF" status.

2. During running of self-inspection function, A/C is controlled to be "OFF" status.

3. During self-inspection function running, the set temperature display position will be shown at every 0.5s and

then fault code will be shown.

4. In the self-inspection test, keep the MODE characters in the previous state but do not run them.

5. When the vehicle is in the IGN2 OFF ON mode during the self-inspection testing, the vehicle will return to

the OFF mode.

6. The display in the continuous operation mode is as follows:

–

Normal condition or fault condition last for 1h:

Next

Next

Press the A/C

switch.

Press the "OFF"
switch.

Go to step 6

Press the "OFF"

switch.

Next

1704

NL08-2034b

显示

灯亮

0.5s

灯亮

熄灯

0.5s

–

When it have many faults

NL08-2035b

显示

故障1

故障2

故障N

故障1

. ..

8.2.7.6 DTC List

Serial Number Fault content

Remarks:

00 Normal

11

Open circuit of indoor temperature sensor

12

Short circuit of indoor temperature sensor

13

Ambient air temperature is short circuit

14

Ambient air temperature short circuit

17 Evaporator

sensor

open

18

Evaporator sensor shorted

19

Short circuit or open circuit of driver-side temperature
throttle motor

20

Driver-side temperature throttle motor is blocked.

21

Model air motor shorted or open

In case the motor is unable to reach
the specific location within 40s, it is
judged as blocked.

Display

Light is

“on”

Light is

“on”

Lights out

Display

Fault 1

Fault 2

Fault N

Fault 1

1705

22

Model air motor locked

25

In case the motor is unable to reach the specific
location within 40s, it is judged as blocked.

26

Air inlet motor locked

32

Passenger side temperature motor shorted or open

33

Passenger side temperature motor locked

8.2.7.7 Electrical Device Failure Relevance

Serial
Number

Items Status

Fault

protection

1

Inside Temperature
Sensor

Short circuit or open
circuit

Default temperature 25℃

2 Ambient

air

temperature

Short circuit or open
circuit

Default temperature 20℃

3

Evaporator temperature
sensor

Short circuit or open
circuit

Default temperature -2℃

When the set temperature is 17℃-24.5℃,
fix in the MAX COOL position.

4

Temperature throttle
motor

Short circuit or open
circuit

When the set temperature is 25℃-32℃, fix
in the MAX HOT position.

Position surface-blowing mode: fixing in the
surface-blowing mode

5

Mode throttle motor

Short circuit or open
circuit

Kept in the defrosting mode.

Fresh air mode: fixed in the fresh air mode.

6

Air intake valve motor

Short circuit or open
circuit

Air returning mode: fixed in the air
returning mode

7 Sunlight

sensor

Short circuit or open
circuit

Default illumination 0 W/m2

1706