Table of ContentsAccessing CodesReading CodesClearing CodesDaihatsu CodesQuestions & AnswersNOTE 96 & later are OBD2 systems and require a scanner. For an OBD2 code list, please see our Daihatsu code list or the appropriate generic Accessing Diagnostic Trouble CodesThe ECU self diagnosis circuit detects and stores system malfunctions related to the various sensor and actuator circuits. These malfunctions are stored as DTCs in the ECU as long as battery voltage is applied to the ECU and the Check Engine lamp will remain On as long as the malfunction is present. By analyzing these DTCs, system malfunctions can be easily diagnosed and obtain DTCs stored in the ECU memory, close throttle valve fully and turn all accessory switches off, then proceed as followsShort terminals of check connector with check connector test harness tool No. 09991-87702-000, or connector test harnessTurn ignition On. Do not start stored in ECU will cause Check Engine warning lamp to Reading Diagnostic Trouble CodesNormal System operation is indicated by Check Engine lamp blinking once every ECU has detected a system malfunction, Check Engine lamp will blink a number of times to equal to DTC with an interval of seconds between all stored DTCs have been read, there will be a second pause and all DTCs will Clearing Diagnostic Trouble CodesAfter service, the DTC retained in the ECU memory must be cleared by disconnecting the battery ground cable or removing the back-up fuse of the relay block assembly in the engine compartment for at least 10 seconds with the ignition turned Diagnostic Trouble CodesPlease see our Daihatsu OBD2 code list for Daihatsu specific OBD2 fault CodeFault LocationProbable Cause1Normal 2Pressure Sensor 3Ignition Signal 4ECT Sensor 5O2S Signal Or Fuel System 6Revolution Sensor 7TP Sensor Signal 8IAT Sensor Signal 9VSS Signal 10Starter Signal 11Switch Signal 12EGR Control System 13Rev signal – Crank position sensor faultWiring, CMP sensor, ECM14Camshaft position sensor Fault 15Air To Fuel Ratio Rich 16Air To Fuel Ratio Lean 16Ignition signal – Igniter unit or wiring 17Random/multiple Misfire Detected 18Knock sensor KS – circuit malfunctionWiring, KS, ECM21Primary Oxygen sensor signal – open or shorted lambda sensor in exhaustWiring, HO2S/O2S, ECM22Secondary Oxygen sensor – open or shorted 23Primary Oxygen sensor heater fault 24Secondary Oxygen sensor heater fault 24Mixture adjustment resistor – circuit malfunctionWiring, mixture adjustment resistor, ECM25Running too lean 26Running too rich 27Catalytic convertor efficiency below threshold 31Manifold absolute pressure MAP sensor – circuit malfunctionWiring, MAP sensor, ECM32Atmospheric pressure sensor BARO malfunction 36Random/multiple Misfire Detected 41Throttle position TP sensor – circuit malfunctionWiring, TP sensor, ECM42Engine coolant temperature ECT sensor – open/short circuitWiring, ECT sensor, ECM43Intake air temperature IAT sensor – open/short circuitWiring, IAT sensor, ECM44AC evaporator temperature sensor – circuit malfunctionWiring, AC evaporator temperature sensor, ECM45AC compressor clutch – circuit malfunctionWiring, AC compressor clutch, AC compressor RPM sensor51Switch signal – malfunctionWiring, AC switch, PNP switch, TP sensor, ECM52Vehicle speed sensor VSS – circuit malfunctionWiring, speedometer, VSS, ECM54Starter Signal – open or shorted or due to bump start 61Engine Control Module – Power Supply 71Idle Speed Control System – Fault 73Camshaft Position Actuator – Circuit Fault 74Oil control Valve – Circuit Fault 75Camshaft Position Actuator – Circuit Fault 76Evaporative Emission canister purge valve – Circuit Fault 81Immobilizer control module – signal malfunctionWiring, immobilizer control module, ECM83Immobilizer control module/engine control module ECM – communication malfunction

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