general information - Martin Nez

SERVICING INFORMATION 10-3DTC No.C21P0110C22P1450C23P1651C24/C25C26/C27HLHLHLP0351/P0352P0353/P0354C28P1655DETECTEDITEMIAT sensorAP sensorTO sensorIgnition signalSecondarythrottle valveactuatorDETECTED FAILURE CONDITIONThe sensor voltage should be the following.0.15 V sensor voltage < 4.85 VIn other than the above range, C21(P0110) is indicated.Sensor voltage is higher than specifiedvalue.Sensor voltage is lower than specifiedvalue.The sensor voltage should be the following.0.5 V sensor voltage < 4.85 VIn other than the above range, C22(P1450) is indicated.Sensor voltage is higher than specifiedvalue.Sensor voltage is lower than specifiedvalue.The sensor voltage should be the followingfor 2 sec. and more, after ignitionswitch is turned ON.0.2 V sensor voltage < 4.8 VIn other than the above value, C23(P1651) is indicated.Sensor voltage is higher than specifiedvalue.Sensor voltage is lower than specifiedvalue.CKP sensor (pick-up coil) signal is produced,but signal from ignition coil isinterrupted 8 times or more continuously.In this case, the code C24(P0351), C25 (P0352), C26 (P0353) orC27 (P0354) is indicated.When no actuator control signal issupplied from the ECM, communicationsignal does not reach ECM oroperation voltage does not reachSTVA motor, C28 (P1655) is indicated.STVA can not operate.CHECK FORIAT sensor, lead wire/couplerconnectionIAT sensor circuit open orground circuit openIAT sensor circuit shorted togroundAP sensor, wiring/coupler connectionAP sensor circuit shorted toVCC or ground circuit openAP sensor circuit open orshorted to ground or VCC circuitopenTO sensor, lead wire/couplerconnectionTO sensor circuit shorted toVCC or ground circuit openTO sensor circuit open orshorted to ground or VCC circuitopenIgnition coil, wiring/coupler connection,power supply from thebatterySTVA motor, STVA leadwire/coupler