Geely EC718, EC718RV, EC715, EC715RV. Manual part — 339
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 339
Symptoms
Suspected
Faulty
Components
Repair Procedure
Refrigerant Pressures
Abnormal
1. Air-
conditioning
high pressure
over 3.14 MPa
(455.4 psi).
2. Air-
conditioning
low pressure
lower than
0.196 MPa
(28.4 psi).
1. Discharge the
excessive
emission of
refrigerant.
2. Repair the
vehicle cooling
malfunction.
3. Repair the
engine
malfunction.
4. Repair the air-
conditioning
systems
blockage.
5. Repair the air-
conditioning
systems
leakage.
(b)
Confirm the repair completed.
Is the air-conditioning clutch working properly?
Yes
System normal
No
Step 3
Check the compressor fuse.
IF14
IF2
IF1
IF5
IF7
IF3
IF16
IF27
IF25
IF26
IF28
IF30
IF24
IF20
IF19
IF23
IF18
IF21
IF13
IF12
IF15
IF9
IF10
IF8
F17
F22
M
FE08-5105b
(a)
Check the compressor fuse IF7.
Fuse Rating: 10 A
Is the fuse blown?
No
Yes
Step 4
Repair the compressor clutch power supply circuit.
Heating, Ventilation and A/C System
Automatic Air-conditioning
8-27
(a)
Repair compressor clutch power supply circuit short to
ground.
Is the air-conditioning clutch working properly?
Yes
System normal
No
Step 5
Measure the compressor clutch power supply voltage.
1
Compressor Harness Connector EN06
FE08-5106b
(a)
Start the engine, press the air-conditioning control switch (A /
C switch), and measure the compressor clutch terminal
EN06-1 voltage.
Standard Voltage: 11-14 V
Is the voltage specified value?
Yes
Replace the compressor clutch.
No
Step 6
Measure the I/P fuse block terminal C02-3 voltage.
FE08-5112b
1
2
4
5
6
7
3
8
I/P Fuse Block Harness Connector C02
(a)
Measure the I/P fuse block terminal C02-3 voltage.
Standard Voltage: 11-14 V
Is the voltage specified value?
No
Repair the main relay circuit malfunction.
Refer to
Yes
Step 7
Test the I/P fuse block terminal C01-37 working conditions.
8-28
Automatic Air-conditioning
Heating, Ventilation and A/C System
FE08-5111b
1 2 3 4 5 6 7 8 9
11
10
16 17 18
19
20 21 22
24
23
25 26 27 28 29 30 31
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
15
14
13
12
I/P Fuse Block Harness Connector C01
(a)
Start the engine.
(b)
Connect one end of a test lamp to the battery negative
terminal, the other to the I/P fuse block terminal C01-37.
Is the test lamp lit?
No
Replace the I/P fuse block.
Yes
Step 8
Test the ECM terminal EN01-60 working status.
1
3
5
7
8
6
4
2
9
10
11
12
13
23
24
25
26
27
28
29
30
37
51
52
53
54
55
56
57
58
59
60
61
62
63
64
38
39
40
41
42
43
44
45
46
47
48
49
50
31
32
33
34
35
36
14
15
16
17
18
19
20
21
22
1 2 3 4 5 6 7 8 9
11
10
16 17 18
19
20 21 22
24
23
25 26 27 28 29 30 31
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
15
14
13
12
I/P Fuse Block Harness Connector C01
Engine Control Module Harness Connector EN01
FE08-5108b
(a)
Start the engine.
(b)
Connect one end of a test lamp to the battery negative
terminal, the other to ECM connector EN01-60.
Is the test lamp lit?
No
Repair the open circuit between ECM terminal
EN01-60 and the I/P fuse block terminal
C01-37.
Yes
Step 9
Check the ECM circuit.
(a)
Check the ECM power supply circuit and ground circuit.
(b)
Confirm that ECM power supply circuit and ground circuit are
normal.
Is the air-conditioning clutch working properly?
Heating, Ventilation and A/C System
Automatic Air-conditioning
8-29
Yes
System normal
No
Step 10
Replace the ECM.
(a)
Is the air-conditioning clutch working properly?
Yes
System normal
No
Step 11
Test the air pressure switch terminals CA22-1 working status.
2
3
1
4
A/C Pressure Switch Harness Connector CA22
FE08-5107b
(a)
Start the engine, press the air-conditioning control switch (A /
C switch).
(b)
Connect one end of a test lamp to the battery positive
terminal, the other to the air pressure switch terminal CA22-1.
Is the test lamp lit?
Yes
Replace the of air-conditioning pressure
switch.
No
Step 12
Test the air-conditioning control module terminal IP40-32 working status.
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
2
3
1
4
A/C Pressure Switch Harness Connector CA22
A/C Control Module Harness Connector IP40
FE08-5109b
(a)
Start the engine, press the air-conditioning control switch (A /
C switch).
(b)
Connect one end of a test lamp to the battery positive
terminal, the other to the air control module terminal IP40-32.
Is the test lamp lit?
Yes
Repair the open circuit between air-
conditioning control module terminal IP40-32
and air-conditioning Pressure Switch
Terminal CA22-1.
No
Step 13
Check the air-conditioning control module circuit.
8-30
Automatic Air-conditioning
Heating, Ventilation and A/C System
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