2008 Honda Aquatrax ARX1500T3/T3D factory service manual, Page 172Get this manual
FUEL SYSTEM (Programmed Fuel Injection) 4Knock Sensor Inspection
Replace the knock sensor with new oneReset the DTC in the ECM (page 8-7)Start the engine according to the flushing procedure and hold the engine speed above 2,500 rpm for seconds or moreCheck the knock sensor with the HDSIs DTC 25-1 indicated?
- Replace the
ECM with known good one, and recheck
- Faulty original knock sensor
DTC 29-1 (IACV)
Before starting the troubleshooting, check the IACV connector for loose contacts or corroded terminals, and recheck the DTC1IACV Resistance Inspection Pull the safety lanyard lock clip off of the engine stop switchDisconnect the IACV 6P (White) connectorMeasure the resistance between the IACV side connector terminalsConnection:B-C D-E E-F 2535 (2O0C68OF) Standard: Connection:D-F 5565(2O0C68"F) Standard: