Mazda CX-9 Grand Touring 2009 Manual page 1121

2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
DTC P0581 Cruise control multi-function input circuit high
DETECTION
P0581 sets when the cruise control switch circuits are shorted to voltage or
CONDITION
open.
Connector or terminal malfunction
Open circuit between cruise control switch terminal B and PCM terminal
1AT
Open circuit between cruise control switch terminal C and PCM terminal
1AP
POSSIBLE CAUSE
Short to power supply between cruise control switch terminal B and PCM
terminal 1 AT
Short to power supply between cruise control switch terminal C and PCM
terminal 1 AP
Cruise control switch malfunction
PCM malfunction