Geely EC718, EC718RV, EC715, EC715RV. Manual part — 340
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 340
(a)
Check the air-conditioning control module power supply
circuit and ground circuit.
(b)
Confirm that the air-conditioning control module power
supply circuit and ground circuit are normal.
Is air-conditioning clutch working properly?
Yes
System normal
No
Step 14
Replace the air-conditioning control module.
(a)
Replace the air-conditioning control module. Refer to
Air-conditioning Control Panel Replacement
.
Confirm the repair completed.
Next
Step 15
System normal.
8.2.7.7 Air-conditioning Blower Inoperative
Schematic:
Air-conditioning System Circuit Schematic
Diagnostic Steps:
Step 1
Check air-conditioning system failure codes DTC.
(a)
Connect scan tool, read air-conditioning system related to
DTC codes.
(b)
Clear DTC.
Is blower working properly?
Yes
System normal
No
Step 2
Check blower relay L.
(a)
Repair according to the fault symptom table.
Symptoms
Suspected Faulty
Components
Repair Procedure
Blower relay
terminal No. 30
has no battery
voltage
1. Fuse EF26 (40A)
Blown
2. Harness
Malfunction
1. Repair the
harness.
2. Replace the fuse
EF26.
Heating, Ventilation and A/C System
Automatic Air-conditioning
8-31
Symptoms
Suspected Faulty
Components
Repair Procedure
Blower relay
terminal No.85
has no battery
voltage
1. Fuse IF25 (10 A)
Blown
2. Harness
Malfunction
1. Repair the
harness.
2. Replace the fuse
IF25.
Blower assembly
IP45-2 has no
battery voltage
1. Blower Relay
Malfunction
2. Harness
Malfunction
1. Replace the
blower relay.
2. Repair the
harness.
Blower relay
terminal No.86
poor connection to
ground
1. Harness
Malfunction
2. Ground G3
Malfunction
1. Repair the
harness.
2. Repair ground G3
poor connection.
Blower relay
terminal No. 86
and No. 85
between the
resistance does
not meet the
standard
Blower relay
Malfunction.
Replace the blower
relay.
(b)
Confirm the repair completed.
Is blower working properly
Yes
System normal
No
Step 3
Check the air-conditioning control module terminal IP40-7 voltage.
16
32
15
31
14
30
13
29
12
28
11
27
10
26
9
25
8
24
7
23
6
22
5
21
4
20
3
19
2
18
1
17
A/C Control Module Harness Connector IP40
FE08-5113b
(a)
Start the engine.
(b)
Adjust the air-conditioning air flow knob on the control panel.
(c)
Measure air-conditioning control module terminal IP40-7
voltage with a multimeter.
(d)
Each air flow speed voltage standard values are as shown.
Air Low
Blower
Blower Terminal Voltage
0
0
0
1
1
4.4 ± 0.3
2
2
5.1 ± 0.3
3
3
6.7 ± 0.3
4
4
8.2 ± 0.3
8-32
Automatic Air-conditioning
Heating, Ventilation and A/C System
5
5
9.9 ± 0.3
6
6
11.7 ± 0.3
7
7
13.1 ± 0.3
Are the voltages specified values?
Yes
System normal
No
Step 4
Check the air-conditioning control module circuit.
(a)
Check the air-conditioning control module power supply
circuit and ground circuit.
(b)
Confirm that the air-conditioning control module power
supply circuit and ground circuit are normal.
Is the blower working properly?
Yes
System normal
No
Step 5
Replace the air-conditioning control module.
(a)
Replace the air-conditioning control module. Refer to
Air-conditioning Control Panel Replacement
.
Is the blower working properly?
Yes
System normal
No
Step 6
Measure the blower assembly plug terminal IP45-16 voltage.
16
32
15
31
14
30
13
29
12
28
11
27
10
26
9
25
8
24
7
23
6
22
5
21
4
20
3
19
2
18
1
17
1
2
3
9 10 11 1213 14 15 16
4 5
6 7 8
A/C Actuator Harness Connector IP45
A/C Control Module Harness Connector IP40
FE08-5110b
(a)
Start the engine.
(b)
Adjust the air-conditioning air flow knob on the control panel.
(c)
Measure the blower assembly plug terminal IP45-16 voltage
with a multimeter.
Voltage Standard Value: 4.1-13 .4 V
Is the terminal IP45-16 voltage specified value?
Yes
Repair the open circuit between air-
conditioning control module terminal IP40-7
and the blower plug terminal IP45-16
assembly.
No
Step 7
Replace the blower speed control module.
Heating, Ventilation and A/C System
Automatic Air-conditioning
8-33
(a)
Replace the blower speed control module. Refer to
Blower Speed Control Module Replacement
Is the blower working properly?
Yes
System normal
No
Step 8
Repair the blower according to the fault symptom table.
(a)
Repair the blower according to the fault symptom table as
following.
Symptoms
Suspected
Malfunction
Components
Repair Procedure
Blower
catching
1. Blower fan blade
has foreign matter.
2. Blower fan blade
damaged.
3. Blower motor has
foreign matter,
catching.
1. Clean the blower fan
blade foreign matter.
2. Clean the blower fan
blade foreign matter.
3. Replace the blower
motor assembly,
including fan blade.
Blower
motor
inoperative
Blower motor damaged
Replace the blower
motor assembly,
including fan blade.
(b)
Make sure the blower is working correctly.
Confirm the repair completed.
Next
Step 9
System normal.
8-34
Automatic Air-conditioning
Heating, Ventilation and A/C System
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