Dtc P0101 - Mazda 6 Workshop Manual

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DTC P0101

DTC P0101 Mass air flow (MAF) sensor range/performance problem
• The PCM monitors the input signal from the mass air flow sensor when the engine speed is between 600
rpm and 2,100 rpm. If the voltage characteristic of the air flow sensor signal is out of the threshold, the
PCM determines that there is a malfunction in the mass air flow sensor.
Diagnostic support note
• The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or
DETECTION
CONDITION
in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if the PCM detects the above malfunction condition during the first drive
cycle.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.
• MAF sensor malfunction
POSSIBLE
• Connector or terminal malfunction
CAUSE
• PCM malfunction
PCM CONTROL
RELAY WIRING
HARNESS-SIDE
MAF/IAT SENSOR
CONNECTOR
WIRING HARNESS-SIDE
CONNECTOR
A E
C
E
D
F2–54
ON-BOARD DIAGNOSTIC
MAF SENSOR
(MAF/IAT SENSOR)
4
A
4
C
5
4
B
26 25
52 51
D C B A
78 77
104 103
PCM CONTROL RELAY
TERMINAL C
WIRING HARNESS-SIDE
CONNECTOR
24 23 22 21 20 19 18 17 16 15
50 49 48 47 46 45 44 43 42
76 75 74 73 72 71 70 69 68 67
102 101 100 99 98 97 96 95 94 93
PCM
9
14
PCM
14 13 12 11 10 9 8
41 40 39 38 37 36 35 34
66 65 64 63 62 61 60 59
92 91 90 89 88 87 86
B6E407000100101
7 6 5 4 3 2 1
33 32 31 30 29 28 27
58 57 56 55 54 53
85 84 83 82 81 80 79