Mazda 6 Workshop Manual page 130

DTC P0337 CKP sensor circuit low input
• CKP sensor malfunction
• Connector or terminal malfunction
• Short to GND in wiring harness between CKP sensor terminal C and PCM terminal 29
• Short to GND in wiring harness between CKP sensor terminal B and PCM terminal 3
POSSIBLE
• Open circuit in wiring harness between CKP sensor terminal C and PCM terminal 29
CAUSE
• Open circuit in wiring harness between CKP sensor terminal B and PCM terminal 3
• Improper CKP sensor air gap
• CKP sensor pulsar malfunction
• PCM malfunction
CKP SENSOR
WIRING HARNESS-SIDE CONNECTOR
C B
F2–118
ON-BOARD DIAGNOSTIC
CKP SENSOR
6
B
5 8
6
C
26 25 24
A
52 51
78 77 76
104 103
9
3
7 10
9
29
7 10
WIRING HARNESS-SIDE CONNECTOR
23 22 21 20 19 18 17 16 15
50 49 48 47 46 45 44 43 42
75 74 73 72 71 70 69 68 67
102 101 100 99 98 97 96 95 94 93
PCM
PCM
14
13 12 11 10 9 8
41 40 39 38 37 36 35 34
66 65 64 63 62 61 60
92 91 90 89 88 87 86
7 6 5 4 3 2 1
33 32 31 30 29 28
27
59 58 57 56 55 54 53
85 84 83 82 81 80 79