Mazda Mazda6 - Dtc P0223

F2–134
ON-BOARD DIAGNOSTIC
DTC P0223
A6E407001082227
Diagnostic procedure
DTC P0223 Accelerator position sensor No.2 circuit high input
DETECTION
CONDITION
• PCM monitors input voltage from accelerator position sensor No.2 while engine is running. If input voltage
from accelerator position sensor No.2 is above 4.7 V, PCM determines accelerator position sensor No.2
circuit high input.
POSSIBLE
CAUSE
• Accelerator position sensor No.2 malfunction
• Connector or terminal malfunction
• Accelerator position sensor No.2 power and signal circuits short each other
• Open circuit in wiring between accelerator position sensor terminal C and PCM terminal 88
• Open circuit in wiring between accelerator position sensor terminal D and PCM terminal 91
• PCM malfunction
STEP INSPECTION ACTION
1 PERFORM DTC CONFIRMATION PROCEDURE
• Perform “DTC Confirmation Procedure”.
(See F2–85 DTC CONFIRMATION
PROCEDURE)
• Is same DTC present during KOEO or KOER
self-test?
Yes Go to next step.
No Intermittent concern exists. Go to “Intermittent Concern
Troubleshooting”.
(See F2–227 INTERMITTENT CONCERN
TROUBLESHOOTING)
A
C
D
90
88
91
ACCELERATOR POSITION SENSOR NO.2
91
90
10
PCM
A
BCD
6
2
5
4
3
2
2
5
5
3
6
ACCELERATOR POSITION SENSOR
HARNESS SIDE CONNECTOR
PCM
HARNESS SIDE CONNECTOR