Dtc P0512 - Mazda Mazda6 Workshop Manual Supplement

DTC P0512

DTC P0512 Engine switch circuit malfunction
• PCM monitors input voltage from engine switch while engine is running. If input voltage from engine switch
DETECTION
CONDITION is B+ when engine speed is 1,200 rpm or above, PCM determines engine switch circuit malfunction.
• Engine switch malfunction
• Connector or terminal malfunction
POSSIBLE
• Short to power circuit in wiring between engine switch terminal A and PCM terminal 57
CAUSE
• PCM malfunction
HARNESS SIDE CONNECTOR
F2–150
ON-BOARD DIAGNOSTIC
ENGINE SWITCH
F
4
A
ENGINE SWITCH
E
A
C
B
D
F
MAIN FUSE
3 5
57
HARNESS SIDE CONNECTOR
PCM
PCM
57
A6E407001082236