2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 85Get this manual

2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 85

FUEL SYSTEM (DFI) 3-37 Inlet Air Temperature Sensor (Service CodeCharacter-13AIrt)
If the output voltage is out of the specified, check the ECU for its ground, and power supply (see ECU Power Supply Inspection)If the ground and power supply are good, replace the ECUIf the output voltage is far out of the specified, check the wiring (see next diagram)Remove the needle adapter set, and apply silicone sealant to the seals of the connector for waterproofingS (K on ct s

If the wiring is good, check the sensor resistance
Sensor Resistance Inspection

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