Mazda 6 - Dtc P0183

F2–84
ON-BOARD DIAGNOSTIC
DTC P0183
B6E407000100116
DTC P0183 Fuel temperature sensor circuit high input
DETECTION
CONDITION
• The PCM monitors the input signal from the fuel temperature sensor. If the voltage from the fuel
temperature sensor is more than 4.92 V, the PCM determines that there is a malfunction in the fuel
temperature sensor circuit.
Diagnostic support note
• The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.
POSSIBLE
CAUSE
• Fuel temperature sensor malfunction
• Connector or terminal malfunction
• Open circuit in wiring harness between fuel temperature sensor terminal A and PCM terminal 35
• Short to power supply in wiring harness between fuel temperature sensor terminal A and PCM terminal 35
• Open circuit in wiring harness between fuel temperature sensor terminal B and PCM terminal 91
• PCM malfunction
91
35
B
A
4 5 8
4
6
7
7
FUEL TEMPERATURE SENSOR
FUEL TEMPERATURE SENSOR
WIRING HARNESS-SIDE
CONNECTOR
PCM
WIRING HARNESS-SIDE
CONNECTOR
PCM
8
AB
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27282930
53
54
555657
58
5960
798081828384858687888990
31323334
35
36
37383940
61
62
6364
6566
6768
6970
919294 939596979899100
41
4243
44
4546
47
484950
71
7273
74
7576
7778
51
52
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