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DTC P0118
Engine coolant temperature (ECT) sensor circuit high input
• ECT sensor malfunction
• Connector or terminal malfunction
• Open circuit in wiring harness between ECT sensor terminal A and PCM terminal 87
POSSIBLE
• Short to power supply in wiring harness between ECT sensor terminal A and PCM terminal 87
CAUSE
• Open circuit in wiring harness between ECT sensor terminal B and PCM terminal 91
• PCM malfunction
ECT SENSOR
6
ECT SENSOR
WIRING HARNESS-SIDE
CONNECTOR
B
A
F2–76
ON-BOARD DIAGNOSTIC
4
5 8
A
4
8
B
26
25
24
23
22
21
20
19
18
52
51
50
49
48
47
46
45
78
77
76
75
74
73
72
71
70
104
103
102
101
100
99
98
97
PCM
7
87
7
91
PCM
WIRING HARNESS-SIDE
CONNECTOR
17
16
15
14
13
12
11
10
44
43
42
41
40
39
38
37
69
68
67
66
65
64
63
62
96
95
94 93
92
91
90
89
9
8
7
6
5
4
3
2
1
36
35
34
33
32
31
30
29
28
27
61
60
59
58
57
56
55
54
53
88
87
86
85
84
83
82
81
80
79
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