Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 102Get this manual
ENGINE CONTROL SYSTEM
CONDITION FOR SELF-DIAGNOSTIC SYSTEM OPERATION
FAILED ITEM MAP sensor CONDITION No signal (With engine running) Receiving an out of range "37 860 mmHg (1.46 33.86 inHg) (0.50 4.84 V)" signal (With engine running) IAC valve operates at 80 duty or higher when ECM receives fully closed position signal from throttle position sensor[NOTE 1] No signal Receiving an out of range46 to +170114.8 +338 F) (0.10 4.6 V)" signal No signal Receiving an out of range46 to +169114.8 +336.2 F) (0.10 4.6 V)" signal During one crankshaft rotation, 34 signals are not input to ECMDuring two crankshaft rotation, signals are not input to the ECMDuring the ECM's receiving input of the complete close signal from the throttle position sensor, the engine operates at an abnormally high speed(Criterion: 500 rmin MIN) Receiving unchanging signal regardless engine speed change[NOTE 2] Receiving 16 volts or higher signal
IAC valveBy-pass air screw adjustment Cylinder tempsensor