Mazda 6 - Dtc P0123

F2–80
ON-BOARD DIAGNOSTIC
End Of Sie
DTC P0123
B6E407000100114
DTC P0123 Accelerator pedal position (APP) sensor No.1 circuit high input
DETECTION
CONDITION
• The PCM monitors the input signal from accelerator pedal position sensor No.1. If the voltage from
accelerator pedal position sensor No.1 is more than 4.7 V, the PCM determines that there is a malfunction
in the accelerator pedal position sensor No.1 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
• APP sensor No.1 malfunction
• Connector or terminal malfunction
• Short to power supply in wiring harness between APP sensor terminal B and PCM terminal 10
• Open circuit in wiring harness between APP sensor terminal D and PCM terminal 91
• PCM malfunction
90
10
91
A
B
D
4
4
4
6
7
5 7
7
APP SENSOR NO.2
(APP SENSOR)
PCM
APP SENSOR
WIRING HARNESS-SIDE
CONNECTOR
PCM
WIRING HARNESS-SIDE
CONNECTOR
1234567891011121314151617181920212223242526
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
101102103104
AB
CD
8