Mazda 6 Workshop Manual page 134

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DTC P0342
CMP sensor circuit low input
• CMP sensor malfunction
• Connector or terminal malfunction
• Short to GND in wiring harness between CMP sensor terminal A and PCM terminal 81
• Short to GND in wiring harness between CMP sensor terminal B and PCM terminal 55
POSSIBLE
• Open circuit in wiring harness between CMP sensor terminal A and PCM terminal 81
CAUSE
• Open circuit in wiring harness between CMP sensor terminal B and PCM terminal 55
• Improper CMP sensor air gap
• CMP sensor pulsar malfunction
• PCM malfunction
CMP SENSOR
WIRING HARNESS-SIDE CONNECTOR
B
A
F2–122
ON-BOARD DIAGNOSTIC
CMP SENSOR
4
5
10
A
6
4
5
10
B
26
25
24
23
22
52
51
50
49
78
77
76
75
74
104
103
102
101
PCM
9
81
9
55
PCM
WIRING HARNESS-SIDE CONNECTOR
21
20
19
18
17
16
15
14
48
47
46
45
44
43
42
41
40
73
72
71
70
69
68
67
66
100
99
98
97
96
95
94 93
92
13
12
11
10
9
8
7
6
5
39
38
37
36
35
34
33
32
31
65
64
63
62
61
60
59
58
57
91
90
89
88
87
86
85
84
83
4
3
2
1
30
29
28
27
56
55
54
53
82
81
80
79

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