Table of Contents
Advertisement
2-844
Engine Cooling System JL4G15-D
86
2
1
J
L
87
30
5
85
3
1
K
2
1
I
5 3
5
2
3
87
ECM Harness Connector EO35
16
15
14
13
73
32
31
30
29
52
51
50
48
47
46
45
49
72
71
70
69
68
67
66
65
Yes
Step 10
Check ECM working circuit.
Yes
Step 11
Replace ECM.
Next
Step 12
Diagnostic completed.
2.18.3.3 Low Speed Cooling Fan Inoperative
Note
Before carry out this diagnostic procedure, please Refer to the2.18.3.1 Cooling Fan Circuit Diagnosisprogram, which
will help with quick diagnostic.
Step 1
check low speed cooling fan power supply.
EC718/EC718RV EC715/EC715RV 10/2009
EF17
EF16
EF15
1
5 3
G
2
30
EF14
86
85
F
87
86
E
87
87
30
85
86
1413 12 11 10
A
30
87
9
8
6
5
7
4
3
2
1
85
12
11
10
9
8
7
6
5
4
3
2
28
27
26
25
24
23
22
21
20
19
18
44
43
42
41
40
39
38
36
35
34
37
64
63
62
61
60
59
58
57
56
55
54
FE02-7902b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect ECM harness connector EO35.
(c)
Remove the High-Speed cooling fan relay A.
(d)
Test continuity between high speed cooling fan relay A
2
terminal No.86 and EO35 terminal No.66.
3
5
D
1
2
(e)
Measure voltage between high speed cooling fan relay A
3
5
C
1
86
terminal No.86 and a reliable ground.
B
30
85
Standard Value:
86
30
A
85
Resistance Between Relay A (86) and
EO35 (66)
Resistance Between Relay A (86) and
A Reliable Ground
1
Are measured values specified values?
17
No
33
53
(a)
Check whether ECM power supply circuit is normal.
(b)
Check whether ECM ground circuit is normal.
No
(a)
Carry out crankshaft self learn after ECM replacement. Refer
to
2.12.7.11 Crankshaft Position Sensor (CKP)
Test Items
Circuit between Relay A terminal No.86 and
EO35 terminal No.66 is open. inspect and
repair the relevant parts.
Repair the faulty part.
Engine
Specified Value
Less than 1 Ω
0 V
Learn.
Advertisement
Chapters
Table of Contents
