DIAGNOSTIC TROUBLE CODE CHART HINT: Parameters Listed in the Chart May Not Be Exactly the Same As Your Reading Due to the Type of Instrument Or Other Factors

05–168 DIAGNOSTICS – SFI SYSTEM (2ZZ–GE)

057HE–03 DIAGNOSTIC TROUBLE CODE CHART HINT: Parameters listed in the chart may not be exactly the same as your reading due to the type of instrument or other factors. If a malfunction code is displayed during the DTC check in the check mode, check the circuit for the codes listed in the table below. For details of each code, turn to the page referred to under the ’’See page’’ for the respective ’’DTC No.’’ in the DTC chart.

DTC No. Detection Item Trouble Area MIL *1 Memory (See page)

S Open or short in air flow meter circuit P0100 Mass Air Flow Circuit Malfunc- S Air flow meter f f (05–177) tion S ECM P0101 Mass Air Flow Circuit Range/ S ECM f f (05–182) Performance Problem S Open or short in intake air temp. sensor circuit P0110 Intake Air Temp. Circuit Malfunc- S Intake air temp. sensor (built into air flow meter) f f (05–183) tion S ECM S Open or short in water temp. sensor circuit P0115 Engine Coolant Temp. S Water temp. sensor f f (05–186) Circuit Malfunction S ECM Engine Coolant Temp. S Water temp. sensor P0116 Circuit Range/Performance S Cooling system f f (05–189) Problem S Thermostat S Open or short in throttle position sensor circuit P0120 Throttle / Pedal Position Sensor / S Throttle position sensor f f (05–190) Switch ”A” Circuit Malfunction S ECM Throttle / Pedal Position Sensor / P0121 Switch ”A” Circuit Range / Per- S Throttle position sensor f f (05–195) formance Problem. S PCV hose S Open or short in oxygen sensor circuit S Oxygen sensor P0125 Insufficient Coolant Temp. for S Air induction system f f (05–196) Closed Loop Fuel Control S Fuel pressure S Injector S Gas leakage on exhaust system S ECM S Thermostat P0128 S Cooling system Thermostat Malfunction f f (05–201) S Engine coolant temperature sensor S ECM

S Open or short in oxygen sensor circuit S Oxygen sensor P0130 Heated Oxygen Sensor Circuit S Air induction system f f (05–203) Malfunction (Bank 1 Sensor 1) S Fuel pressure S Injector S ECM

S Open or short in oxygen sensor circuit S Oxygen sensor Heated Oxygen Sensor Slow P0133 S Air induction system Response f f (05–208) S Fuel pressure (Bank 1 Sensor 1) S Injector S ECM

2003 COROLLA MATRIX (RM940U)

AuthorĂ: DateĂ: 368 05–169 DIAGNOSTICS – SFI SYSTEM (2ZZ–GE)

Heated Oxygen Sensor Heater S Open or short in heater circuit of oxygen sensor P0135 Circuit Malfunction S Oxygen sensor heater f f (05–212) (Bank 1 Sensor 1) S ECM P0136 Heated Oxygen Sensor Circuit S Open or short in oxygen sensor circuit f f (05–203) Malfunction (Bank 1 Sensor 2) S Oxygen sensor Heated Oxygen Sensor Heater S Open or short in heater circuit of oxygen sensor P0141 Circuit Malfunction S Oxygen sensor heater f f (05–212) (Bank 1 Sensor 2) S ECM S Air induction system S PCV hose S Injector blockage S Mass air flow meter P0171 System too Lean S Engine coolant temp. sensor f f (05–216) (Fuel Trim) (Bank 1) S Fuel pressure S Gas leakage on exhaust system S Open or short in oxygen sensor circuit S Oxygen sensor S ECM S Injector leak, blockage S Mass air flow meter S Engine coolant temp. sensor S Ignition system P0172 System too Rich S Fuel pressure f f (05–216) (Fuel Trim) (Bank 1) S Gas leakage on exhaust system S Open or short in oxygen sensor circuit S Gas leakage on exhaust system S Oxygen sensor S ECM

P0300 Random/Multiple Cylinder Misfire S Open or short in engine wire (05–220) Detected S Connector connection S Vacuum hose connection P0301 S PCV hose Cylinder 1 Misfire Detected (05–220) S Ignition system S Injector P0302 S Fuel pressure Cylinder 2 Misfire Detected f f (05–220) S Mass air flow meter S EiEngine coolant l temp. sensor P0303 S Cylinder 3 Misfire Detected Compression pressure (05–220) S Valve clearance S Valve timing P0304 S Cylinder 4 Misfire Detected VVTL system (05–220) S ECM S Open or short in knock sensor circuit P0325 Knock Sensor 1 Circuit Malfunc- S Knock sensor (looseness) f f (05–225) tion (Bank 1) S ECM S Open or short in crankshaft position sensor circuit P0335 Crankshaft Position Sensor ”A” S Crankshaft position sensor f f (05–228) Circuit Malfunction S Crank angle sensor plate S ECM

S Open or short in camshaft position sensor circuit P0340 Camshaft Position Sensor Circuit S Camshaft position sensor f f (05–231) Malfunction S Intake camshaft S ECM

S Gas leakage on exhaust system P0420 Catalyst System Efficiency Be- S Oxygen sensor f f (05–233) low Threshold (Bank 1) S Three–way catalytic converter

2003 COROLLA MATRIX (RM940U)

AuthorĂ: DateĂ: 369 05–170 DIAGNOSTICS – SFI SYSTEM (2ZZ–GE)

S Hose or tube cracked, hole, damaged or loose seal S Fuel tank cap incorrectly installed S Fuel tank cap cracked or damaged S Vacuum hose cracked, hole, clocked, damaged or discon- nected P0440 Evaporative Emission Control S Fuel tank cracked, hole or damaged f f (05–236) System Malfunction S Charcoal canister cracked, hole or damaged S Open or short in vapor pressure sensor circuit S Vapor pressure sensor S Fuel tank over fill check valve cracked or damaged S ECM

S Vacuum hose cracked, hole, blocked damaged or discon- nected S Fuel tank cap incorrectly installed S Fuel tack cap cracked or damaged S Open or short in vapor pressure sensor circuit S Vapor pressure sensor P0441 Evaporative Emission Control S Open or short in VSV circuit for EVAP f f (05–245) System Incorrect Purge Flow S VSV for CCV S Open or short in VSV circuit for vapor pressure sensor S VSV for vapor pressure sensor S Charcoal canister cracked, hole or damaged S Fuel tack over full check valve cracked or damaged S ECM P0442 Evaporative Emission Control S Same as DTC No. P0440 f f (05–236) System Malfunction

P0446 Evaporative Emission Control S Same as DTC No. P0441 f f (05–236) System Malfunction

Evaporative Emission Control S Open or short in vapor pressure sensor circuit P0450 System Pressure Sensor Mal- S Vapor pressure sensor f f (05–260) function S ECM Evaporative Emission Control S Open or short in vapor pressure sensor circuit P0451 System Pressure Sensor Range S Vapor pressure sensor f f (05–260) / Performance S ECM S Combination meter P0500 Vehicle Speed Sensor Malfunc- S Open or short in vehicle speed sensor circuit f f (05–262) tion S Vehicle speed sensor S ECM

S Open or short in ISC valve circuit S PCV hose P0505 S ISC valve is stick or closed*2 Idle Control System Malfunction f f (05–264) S A/C switch circuit S Air induction system*2 S ECM

S Ignition system S Open or short in IGF or IGT1 circuit from No. 1 ignition coil P1300 Igniter Circuit Malfunction (No. 1) with igniter to ECM f f (05–267) S No. 1 ignition coil with igniter S ECM S Ignition system S Open or short in IGF or IGT2 circuit from No. 2 ignition coil P1305 Igniter Circuit Malfunction (No. 2) with igniter to ECM f f (05–267) S No. 2 ignition coil with igniter S ECM

2003 COROLLA MATRIX (RM940U)

AuthorĂ: DateĂ: 370 05–171 DIAGNOSTICS – SFI SYSTEM (2ZZ–GE)

S Ignition system S Open or short in IGF or IGT3 circuit from No. 3 ignition coil P1310 Igniter Circuit Malfunction (No. 3) with igniter to ECM f f (05–267) S No. 3 ignition coil with igniter S ECM S Ignition system S Open or short in IGF or IGT4 circuit from No. 4 ignition coil P1315 Igniter Circuit Malfunction (No. 4) with igniter to ECM f f (05–267) S No. 4 ignition coil with igniter S ECM S Open or short in crankshaft position sensor circuit Crankshaft Position Sensor Cir- P1335 S Crankshaft position sensor cuit Malfunction (During engine – f (05–273) S Crank angle sensor plate running) S ECM

VVT Sensor/Camshaft Position S Mechanical system (Jumping teeth of timing chain, chain P1346 Sensor Circuit Range/Perfor- stretched) f f (05–274) mance Problem (Bank 1) S ECM S Valve timing P1349 VVT System Malfunction S OCV f*2 f (05–275) (Bank 1) S VVT controller assembly S ECM

S Open or short in stop light switch signal circuit P1520*2 Stop Light Switch Circuit Mal- S Stop light switch f f (05–280) function S ECM P1600 Back–Up Power Source Circuit S Open in back up power source circuit f f (05–284) Malfunction S ECM

S Open or short in OCV circuit P1656 OCV Circuit Malfunction S OCV f f (05–287) (Bank 1) S ECM S Open or short in OCV circuit P1690 OCV for VVTL circuit Malfunction S OCV for VVTL f f (05–290) S ECM S Open or short in OCV circuit P1692 OCV for VVTL Open Malfunction S OCV for VVTL f f (05–294) (Bank 1) S Oil pressure switch for VVTL S ECM P1693 OCV for VVTL Close Malfunction S Same as DTC No. P1692 f f (05–294) (Bank 1)

S Short in neutral start switch circuit P1780*2 Park / Neutral Position Switch S Neutral start switch f f (05–298) Malfunction S ECM *1: f ... MIL light up. *2: Only for A/T models.

2003 COROLLA MATRIX (RM940U)

AuthorĂ: DateĂ: 371