1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 364Get this manual
DF40DF50 "K1" (01) model 13-28
CONDITION FOR SELF-DIAGNOSTIC SYSTEM OPERATION
FAILED ITEM MAP sensor CONDITION No signal (With engine running) Receiving an out of range "37 860 mmHg (0.20 4.53V)" signalWith engine runningNo signal from CKP sensor while receiving signals from CMP sensor IAC valve operates at 90 duty or higher when CTP switch is "ON" [NOTE 1] No signal from CMP sensor while receiving 544 signals from CKP sensor(Corresponded to 16 turns of crankshaft) Receiving "ON" signal when engine speed is 2500 r min or higher and intake manifold pressure is 300 mmHg or higher No signal Receiving an out of range46 to +170 (0.10 4.63 V)" signal No signal Receiving an out of range46 to +1690.04 4.46V)" signal Receiving unchanging signal regardless engine speed change [NOTE 2] Receiving 16 volts or higher signal No signal Receiving an out of range46 to +170 (0.10 4.63V)" signal No signal