Mazda 6 Workshop Manual page 64

DTC P0098 IAT sensor No.2 circuit high input
• IAT sensor No.2 malfunction
• Connector or terminal malfunction
• Open circuit in wiring harness between IAT sensor No.2 terminal A and PCM terminal 8
POSSIBLE
• Short to power supply in wiring harness between IAT sensor No.2 terminal A and PCM terminal 8
CAUSE
• Open circuit in wiring harness between IAT sensor No.2 terminal B and PCM terminal 91
• PCM malfunction
IAT SENSOR NO.2
6
IAT SENSOR NO.2
WIRING HARNESS-SIDE
CONNECTOR
B A
F2–52
ON-BOARD DIAGNOSTIC
5 8
4
A
4 8
B
26 25 24 23 22 21 20 19
52 51 50 49 48 47 46 45
78 77 76 75 74 73 72 71
104 103 102 101 100 99 98 97
PCM
7
8
7
91
PCM
WIRING HARNESS-SIDE
CONNECTOR
18 17 16 15 14 13 12 11
44 43 42 41 40 39 38 37
70 69 68 67 66 65 64 63
96 95 94 93 92 91 90 89
10 9 8 7 6 5 4 3 2 1
36 35 34 33 32 31 30 29 28
62 61 60 59 58 57 56 55 54 53
88 87 86 85 84 83 82 81 80
27
79