Geely Emgrand X7. Manual part — 429

the ground point G8

The resistor between the
terminals 86 and 85 of the
blower relay does not accord
with the standard.

The blower relay faults.

Replace blower relay

B． Confirm fault repair was completed

Does the blower operate normally?

3

Inspect the voltage of the A/C control module terminal IP40-7.

(a) Turn the ignition switch to OFF position.

(b) Disconnect blower harness connector IP11.

(c) Inspect connection situation between blower

relay terminal 87 and blower harnesses
connector IP11 terminal 1.

Standard resistance: less than 1 Ω

(d) Confirm circuit of blower relay terminal87 and

blow harness connector IP11 terminal is normal.

Does the blower operate normally?

1

2 3

6 5 4

鼓风机线束连接器

IP11

NL08-2011b

4

Inspect the voltage of the A/C control module terminal B-18.

(a) Start

the

engine.

(b) Pressed volume button on the A/C control panel

(c) Use multimeter to measure voltage of A/C control module terminal B-18.

(d) Standard voltage of each air volume gear is shown in table.

Air quantity bar shows

Blower gear

Auto-mode blower end voltage (V)

1 1 4.5

(Auto

Min.)

2

2

4.6 - 5.5

3

3

5.6 - 6.7

4

4

6.8 - 7.7

No

Yes

The system is normal.

No

Yes

The system is normal.

IP11 blower harness connector

1715

5

5

7.8 - 8.9

6

6

9.0 - 10.1

7 7 10.2-11.2

(Auto

Max.)

Is voltage the standard value?

5

Repair the circuit of the A/C control module and the blower.

(a) Turn the ignition switch to OFF position.

(b) Inspect connection situation between A/C control module harnesses connector terminal B-18, B-19, B-20

and blower harnesses connector terminal B-18, B-19, B-20.

Standard resistance: less than 1 Ω

(c) Make sure that circuit between A/C control module harnesses connector t erminal B-18，B-19,B-20 and

blower harnesses connector terminal B-18,B-19,B-20 is normal.

Does the blower operate normally?

6

Inspect the A/C control module circuit.

(a) Inspect power supply and grounding circuit of A/C control module.

(b) Make sure A/C control module power supply and grounding are connected normally.

Does the blower operate normally?

7

Replace A/C control module.

(a) Replace A/C control module, refer to 8.2.8.1 A/C control panel replacement.

Does the blower operate normally?

No

Yes

The system is normal.

Yes

The system is normal.

No

Yes

The system is normal.

No

Yes

The system is normal.

No

1716

8

Repair the blower.

A. Repair according to the following list of symptoms

Symptoms Suspected

fault

part

Maintenance

scheme

Blower jamming

The blower wheel has foreign
matter.
The blower wheel is damaged.
The blower motor has foreign
matter and is blocked.

Clean up the blower wheel foreign body.
Clean up the blower motor foreign body.
Replace blower motor assembly, included
fan impeller

The blower motor does not
work.

The blower motor is damaged.

Replace blower motor assembly, included
fan impeller

B. Confirm that the blower works normally.

Confirm the completion of repair.

9

The system is normal.

Next

1717

8.2.7.10 Insufficient A/C system refrigeration capacity

Fault symptom table

Symptoms

Suspected fault part

Maintenance scheme

The engine
coolant
temperature is
too high.

1. The engine at idle speed runs too

long.

2. The engine runs with high load

for a long time.

3. Lack of engine coolant
4. Coolant performance do not meet

requirement

5. Thermostat Malfunction
6. Poor engine working conditions.
7. The cooling fan runs abnormally.
8. The cooling fan does not work.
9. Poor heat dissipation of water

tank

10. The cooling fan air gathering

hood is damaged.

1. Shorten the running time of the engine at the idle

speed.

2. Shorten the running time of the engine with large

load.

3. Repair the cooling fluid leakage condition; and

add the cooling fluid to the standard value.

4. Replace the refrigerant according with the

requirement of Geely manufacturer.

5. Replace the thermostat.
6. Overhaul engine cooling system
7. Overhaul engine work condition
8. Repair the cooling fan motor and circuit thereof;

and replace if necessary.

9. Clean the cooling water tank.
10. Repair the cooling water tank and replace if

necessary.

11. Repair the cooling fan wind gathering cover and

replace if necessary.

Condenser
temperature is
too high

1. Poor condenser radiation
2. The water temperature of the

engine is too high.

1. Clean the condenser.
2. Repair the condenser and replace if necessary.
3. Perform the maintenance procedures according

to the "engine coolant temperature too high"
symptom.

The
compressor
runs
abnormally.

1. Compressor belt slipping
2. Compressor clutch slipping
3. Compressor abnormal sound
4. Frequent compressor start
5. Compressor Inoperation

1. Adjust compressor belt, and replace when

necessary

2. Repair the compressor clutch and replace if

necessary.

3. Inspect the amount of the refrigerant and the

lubrication oil. Refer to the symptom of
"abnormal A/C system pressure" in the table.

4. Repair the compressor clutch circuit.
5. Repair the compressor and replace if necessary.
6. Repair the A/C pressure switch, and replace if

necessary.

7. Repair the A/C control module, and replace if

necessary.

8. Overhaul engine control module.if

necessary.replace it

Air volume of
the instrument
panel air outlet
is too small.

1. Instrument air duct blocked
2. Instrument air duct leakage
3. Air direction control mechanism

abnormal

4. Air direction control motor

abnormal

5. Blower speed is too low.

1. Clean up the air outlet of the instrument panel

and replace if necessary.

2. Repair the air outlet passage of the instrument

panel and replace if necessary.

3. Overhaul wind control mechanism
4. Overhaul wind control motor
5. Repair circuit.

1718