FI76Fault code No. 16 Symptom Stuck throttle position sensor detected.Used diagnostic code No. 01 (throttle position sensor)Order Inspection operation item and probablecauseOperation item and countermeasure Reinstatementmethod1 When detecting fault code No.15. Refer to “Fault code No.15”. Reinstated bystarting theengine,operating it atidle, and thenracing it.2 Installed condition of throttle positionsensor.Check the installed area for looseness or pinching.Check that it is installed in the specified position.Refer to “THROTTLE BODIES” section.3 Defective throttle position sensor Execute the diagnostic mode (Code No.01).Replace if defective.Refer to “THROTTLE BODIES” section.Fault code No. 20 Symptom Defective values are detected due to the internal malfunction of the intake airpressure sensor or the atmospheric pressure sensor.Used diagnostic code No. 02 (atmospheric pressure sensor) → 103 (intake air pressure sensor) → 2Order Inspection operation item and probablecauseOperation item and countermeasure Reinstatementmethod1 Defective atmospheric pressure sensor Execute the diagnostic mode (Code No.02).Replace if defective.Refer to “Fault code No.23”.Reinstated byturning the mainswitch ON.2 Defective intake air pressure sensor Execute the diagnostic mode (Code No.03).Replace if defective.Refer to “Fault code No.13”.Fault code No. 21 Symptom Open or short circuit is detected from the coolant temperature sensor.Used diagnostic code No. 06 (coolant temperature sensor)Order Inspection operation item and probablecauseOperation item and countermeasure Reinstatementmethod1 Connected condition of connectorInspect the coupler for any pins thatmay have pulled out.Check the locking condition of thecoupler.If there is a malfunction, repair it and connect itsecurely.Coolant temperature sensor couplerMain wiring harness ECU couplerSub-wire harness couplerReinstated byturning the mainswitch ON.2 Open or short circuit in wiring harnessand/or sub lead.Repair or replace if there is an open or short circuit.Between sensor coupler and ECU couplerBlack/Blue – Black/BlueGreen/White – Green/White3 Defective coolant temperature sensor. Execute the diagnostic mode (Code No.06).Replace if defective.Refer to “COOLING SYSTEM” in CHAPTER 8.FUEL INJECTION SYSTEM