DIAGNOSTIC TROUBLE CODE CHART HINT:

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1 DIAGNOSTICS DIAGNOSTIC TROUBLE CODE CHART HINT: SFI SYSTEM (1MZFE) 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 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. 051MZ09 DTC No. (See Page) P0031 *4 (05255) P0032 *4 (05255) P0037 (05258) P0038 (05258) P0051 *4 (05255) P0052 *4 (05255) P0057 (05258) P0058 (05258) P0100 (05261) P0101 (05266) P0102 (05261) P0103 (05261) P0110 (05267) P0112 (05267) P0113 (05267) P0115 (05271) Detection Item Trouble Area MIL *1 Memory Oxygen Sensor Heater Low Oxygen Sensor Heater High Oxygen Sensor Heater Control Low (Bank 1 Sensor 2) Oxygen Sensor Heater Control High (Bank 1 Sensor 2) Oxygen Sensor Heater Low (Bank 2 Sensor 1) Oxygen Sensor Heater High (Bank 2 Sensor 1) Oxygen Sensor Heater Low (Bank 2 Sensor 2) Oxygen Sensor Heater High (Bank 2 Sensor 2) Mass or volume Air Flow Mass or volume Air Flow Range/Performance Problem Mass or volume Air Flow Low Input Mass or volume Air Flow High Input Intake Air Temperature Intake Air Temperature Low Input Intake Air Temperature High Input Engine Coolant Temperature Open in heater circuit of A/F sensor A/F sensor heater A/F sensor heater relay ECM Short in heater circuit of A/F sensor A/F sensor heater A/F sensor heater relay ECM Open in heater circuit of oxygen sensor Oxygen sensor heater E.F.I. ECU relay ECM Short in heater circuit of oxygen sensor Oxygen sensor heater E.F.I. ECU relay ECM Same as DTC No. P0031 Same as DTC No. P0032 Same as DTC No. P0037 Same as DTC No. P0038 Open or short in mass air flow meter circuit Mass air flow meter ECM Mass air flow meter Open or short in mass air flow meter circuit Mass air flow meter ECM Open in mass air flow meter circuit (E2G circuit) Short in mass air flow meter circuit (+B circuit) Mass air flow meter ECM Open or short in intake air temp. sensor circuit Intake air temp. sensor (built in mass air flow meter) ECM Short in intake air temp. sensor circuit Intake air temp. sensor (built in mass air flow meter) ECM Open in intake air temp. sensor circuit Intake air temp. sensor (built in mass air flow meter) ECM Open or short in engine coolant temp. sensor circuit Engine coolant temp. sensor ECM Author: Date: 415

2 05242 DIAGNOSTICS SFI SYSTEM (1MZFE) P0116 (05275) P0117 (05271) P0118 (05271) P0120 (05277) P0121 (05282) P0122 (05277) P0123 (05277) P0125 (05275) P0128 (05283) P0134 *4 (05284) P0136 (05293) P0154 *4 (05284) P0156 (05293) P0171 (05297) Engine Coolant Temperature Range/Performance Problem Engine Coolant Temperature Low Input Engine Coolant Temperature High Input Switch A Switch A Range/Performance Problem Switch A Low Input Switch A High Input Insufficient Coolant Temperature for Closed Loop Fuel Control Coolant Thermostat (Coolant Temperature Below Thermostat regulating temperature) Oxygen Sensor No Activity Detected Heated Oxygen Sensor Malfunction (Bank 1 Sensor 2) Oxygen Sensor No Activity Detected (Bank 2 Sensor 1) Oxygen Sensor Malfunction (Bank 2 Sensor 2) System too Lean (Bank 1) Cooling system Engine coolant temp. sensor Short in engine coolant temp. sensor circuit Engine coolant temp. sensor ECM Open or short in engine coolant temp. sensor circuit Engine coolant temp. sensor ECM Open or short in throttle position sensor circuit Throttle position sensor Wire harness ECM Throttle position sensor Same as DTC No. P0120 Open in throttle position sensor circuit (E2 circuit) Short in throttle position sensor circuit (+B circuit) Throttle position sensor ECM Same as DTC No. P0116 Thermostat Cooling system Engine coolant temp. sensor ECM Open or short in A/F sensor (bank 1, 2 sensor 1) circuit A/F sensor (bank 1, 2 sensor 1) A/F sensor heater A/F sensor heater relay A/F sensor heater and relay circuit Air induction system Fuel pressure Injector Gas leakage in exhaust system PCV hose connection PCV valve and hose. ECM Open or short in oxygen sensor circuit Oxygen sensor Oxygen sensor heater Same as DTC No. P0134 Same as DTC No. P0136 Air induction system Injector blockage Mass air flow meter Engine coolant temperature sensor Fuel pressure Gas leakage in exhaust system Open or short in A/F sensor circuit A/F sensor (bank 1, 2 sensor 1) A/F sensor heater relay A/F sensor heater and relay circuit Open or short in oxygen sensor (bank 1, 2 sensor 1) circuit Oxygen sensor (bank 1, 2 sensor 1) PCV hose connection PCV hose Author: Date: 416

3 DIAGNOSTICS SFI SYSTEM (1MZFE) P0172 (05297) P0174 (05297) P0175 (05297) P0220 (05277) P0222 (05277) P0223 (05277) P0300 (05305) P0301 (05305) P0302 (05305) P0303 (05305) P0304 (05305) P0305 (05305) P0306 (05305) P0325 (05318) P0330 (05318) P0335 (05322) P0339 (05322) P0340 (05325) P0341 (05325) System too Rich (Bank 1) Injector leak, blockage Mass air flow meter Engine coolant temperature sensor Ignition system Fuel pressure Gas leakage in exhaust system Open or short in A/F sensor circuit A/F sensor (bank 1, 2 sensor 1) A/F sensor heater relay A/F sensor heater and relay circuit Open or short in oxygen sensor (bank 1, 2 sensor 1) circuit Oxygen sensor (bank 1, 2 sensor 1) System too Lean (Bank2) Same as DTC No. P0171 System too Rich (Bank2) Same as DTC No. P0172 Switch B Same as DTC No. P0120 Switch B Low Input Same as DTC No. P0120 Switch B High Input Same as DTC No. P0120 Random/Multiple Cylinder Misfire Open or short in engine wire Detected Connector connection *2 Cylinder 1 Misfire Detected Vacuum hose connection *2 Ignition system Cylinder 2 Misfire Detected Injector *2 Fuel pressure Cylinder 3 Misfire Detected Mass air flow meter Engine coolant temperature sensor *2 Cylinder 4 Misfire Detected Compression pressure Valve clearance *2 Valve timing Cylinder 5 Misfire Detected PCV hose connection *2 PCV hose Cylinder 6 Misfire Detected ECM *2 Knock Sensor 1 (Bank 1 or Single Sensor) Knock Sensor 2 (Bank 2) Crankshaft Position Sensor A Crankshaft Position Sensor A Intermittent Camshaft Position Sensor A (Bank 1 or Single Sensor) Camshaft Position Sensor A Range/Performance (Bank 1 or Single Sensor) Open or short in knock sensor 1 circuit Knock sensor 1 (looseness) ECM Open or short in knock sensor 2 circuit Knock sensor 2 (looseness) ECM Open or short in crankshaft position sensor circuit Crankshaft position sensor Crankshaft timing pulley ECM Open or short in crankshaft position sensor circuit Crankshaft position sensor Crankshaft timing pulley ECM Open or short in camshaft position sensor circuit Camshaft position sensor Camshaft timing pulley Jumping teeth of timing belt ECM Author: Date: 417

4 05244 DIAGNOSTICS SFI SYSTEM (1MZFE) P0351 (05328) P0352 (05328) P0353 (05328) P0354 (05328) P0355 (05328) P0356 (05328) P0401 (05335) P0402 (05343) P0405 (05346) P0406 (05346) P0409 (05350) P0420 (05351) P0430 (05351) P0441 (05354) Ignition Coil A Primary/Secondary Ignition Coil B Primary/Secondary Ignition Coil C Primary/Secondary Ignition Coil D Primary/Secondary Ignition Coil E Primary/Secondary Ignition Coil F Primary/Secondary Exhaust Gas Recirculation Flow Insufficient Detected Exhaust Gas Recirculation Flow Excessive Detected Exhaust Gas Recirculation Sensor A Low Exhaust Gas Recirculation Sensor A High Exhaust Gas Recirculation Sensor A Catalyst System Efficiency Below Threshold (Bank 1) Catalyst System Efficiency Below Threshold (Bank 2) System Incorrect Purge Flow Ignition system Open or short in IGF or IGT1 6 circuit from ignition coil assy to ECM No.1 6 ignition coil assy ECM Open or short in EGR gas temp. sensor circuit EGR gas temp. sensor Vacuum hose disconnected or blocked Open in VSV circuit for EGR VSV for EGR EGR system EGR valve (stuck closed) Vacuum control valve ECM Vacuum hose disconnected or blocked Short in VSV circuit for EGR VSV for EGR EGR valve stuck open Open or short in EGR valve position sensor circuit EGR valve position sensor ECM Open in EGR valve position sensor circuit EGR valve position sensor ECM Short in EGR valve position sensor circuit EGR valve position sensor ECM EGR valve position sensor Exhaust manifold subassy RH (front catalyst bank 1) Exhaust pipe assy front (rear catalyst) Gas leakage on exhaust system Heated oxygen sensor (bank 1 sensor 2) A/F sensor (bank 1 sensor 1) Exhaust manifold converter subassy No.2 (front catalyst bank 2) Exhaust pipe assy front (rear catalyst) Gas leakage on exhaust system Heated oxygen sensor (bank 2 sensor 2) A/F sensor (bank 2 sensor 1) Fuel tank cap incorrectly installed Fuel tank cap cracked or damaged Vacuum hose cracks, holed blocked, damaged or disconnected Open or short in vapor pressure sensor circuit Vapor pressure sensor Open or short in VSV circuit for EVAP VSV for EVAP Open or short in VSV circuit for CCV VSV for CCV Open or short in VSV circuit for pressure switching valve VSV for pressure switching valve Fuel tank cracked, holed or damaged Charcoal canister cracked, holed or damaged Fuel tank over fill check valve cracked damaged ECM Author: Date: 418

5 DIAGNOSTICS SFI SYSTEM (1MZFE) P0442 (05378) P0446 (05354) P0451 (05390) P0452 (05390) P0453 (05390) P0456 (05378) P0500 (05392) P0503 (05392) P0504 (05395) P0505 (05399) P0513 (051309) P0560 (05402) P0571 (05404) P0604 (05405) P0606 (05405) P0607 (05405) P0617 (05406) P0657 (05405) System Leak detected (small leak) System Vent Control System Pressure Sensor/Switch Range/Performance System Pressure Sensor/Switch Low Input System Pressure Sensor/Switch High Input System Leak Detected (very small leak) Vehicle Speed Sensor A Vehicle Speed Sensor A Intermittent/Erratic/High Brake Switch Correlation Idle Control System Fuel tank cap incorrectly installed Fuel tank cap cracked or damaged Hose or tube cracked, hole, damaged or loose seal Vacuum hose cracked, holed, blocked, damaged or disconnected Fuel tank cracked, holed or damaged Charcoal canister cracked, holed or damaged Open or short in vapor pressure sensor circuit VSV for CCV VSV for EVAP VSV for pressure switching valve Vapor pressure sensor Fuel tank over fill check valve cracked or damaged ECM Same as DTC No. P0441 Open or short in vapor pressure sensor circuit Vapor pressure sensor ECM Open in vapor pressure sensor circuit Vapor pressure sensor ECM Short or short in vapor pressure sensor circuit Vapor pressure sensor ECM Same as DTC No. P0442 Combination meter Open or short in speed sensor circuit Vehicle speed sensor ECM Skid control computer assy Short in stop light switch signal circuit Stop light switch ECM Throttle body assy Air induction system PCV hose connection ECM Incorrect Immobilizer Key Immobilizer system System Voltage Brake Switch A Internal Control Module Random Access Memory (RAM) Error Open in back up power source circuit ECM Short in stop light switch signal circuit Stop light switch ECM ECM ECM/PCM Processor ECM Control Module Performance ECM Starter Relay High Actuator Supply Voltage / Open Short in park/neutral position switch circuit Park/neutral position switch Ignition switch ECM ECM Author: Date: 419

6 05246 DIAGNOSTICS SFI SYSTEM (1MZFE) P0705 (05689) P0710 (05693) P0711 (05696) P0712 (05693) P0713 (05693) P0717 (05698) P0724 (05412) P0741 (05702) P0743 (05706) P0746 (05709) P0748 (05714) P0766 (05709) P0776 (05709) P0778 (05714) P0793 (05721) P0850 (05689) P0982 (05714) P0983 (05714) P2102 (05416) P2103 (05416) P2111 (05421) P2112 (05421) P2118 (05423) P2119 (05426) P2120 (05428) Transmission Range Sensor Malfunction (PRNDL Input) Transmission Fluid Temperature Sensor A circuit Transmission Fluid Temperature Sensor A Performance Transmission Fluid Temperature Sensor A Low Input Transmission Fluid Temperature Sensor A High Input Input/Turbine Speed Sensor A No Signal Brake Switch B High Torque Converter Clutch Performance or Stuck Off Torque Converter Clutch Electrical Pressure Control Solenoid A Performance (Shift Solenoid Valve SL1) Pressure Control Solenoid A Electrical (Shift Solenoid Valve SL1) Shift Solenoid D Performance (Shift Solenoid Valve S4) Pressure Control Solenoid B Performance (Shift Solenoid Valve SL2) Pressure Control Solenoid B Electrical (Shift Solenoid Valve SL2) Intermediate Shaft Speed Sensor A No Signal Short in park/neutral position switch circuit Park/neutral position switch ECM Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Short in stop light switch signal circuit Stop light switch ECM Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Electronic controlled automatic transmission (ECT) Park/Neutral Switch Input Same as DTC No. P0705 Shift Solenoid D Control Low Electronic controlled automatic transmission (ECT) Shift Solenoid D Control High Electronic controlled automatic transmission (ECT) Throttle Actuator Control Motor Low Throttle Actuator Control Motor High Throttle Actuator Control System Stuck Open Throttle Actuator Control System Stuck Closed Actuator Control Motor Current Range/Performance Throttle Actuator Control Throttle Body Range/Performance Switch D Open or short in throttle control motor circuit Throttle body assy (Throttle motor) ECM Throttle control motor circuit Throttle control motor Throttle body Throttle valve Open in ETCS power source circuit ECM Electric throttle control system ECM Open or short in accelerator pedal position sensor circuit Accelerator pedal position sensor ECM Author: Date: 420

7 DIAGNOSTICS SFI SYSTEM (1MZFE) P2121 (05436) P2122 (05428) P2123 (05428) P2125 (05428) P2127 (05428) P2128 (05428) P2135 (05277) P2138 (05428) P2195 *4 (05438) P2196 *4 (05438) P2197 *4 (05438) P2198 *4 (05438) P2237 *4 P2238 *4 P2239 *4 P2240 *4 P2241 *4 P2242 *4 P2251 *4 P2252 *4 P2253 *4 P2254 *4 Switch D Range/Performance Switch D Low Input Switch D High Input Switch E Switch E Low Input Switch E High Input Throttle Pedal Position Sensor/ Switch A / B Voltage Correlation Throttle Pedal Position Sensor/ Switch D / E Voltage Correlation Oxygen Sensor Signal Stuck Lean Oxygen Sensor Signal Stuck Rich Oxygen Sensor Signal Stuck Lean (Bank 2 Sensor 1) Oxygen Sensor Signal Stuck Rich (Bank 2 Sensor 1) / Open (for A/F sensor) / Low (for A/F sensor) / High (for A/F sensor) / Open (for A/F sensor) (Bank 2 Sensor 1) / Low (for A/F sensor) (Bank 2 Sensor 1) / High (for A/F sensor) (Bank 2 Sensor 1) Ground / Open (for A/F sensor) Ground Low (for A/F sensor) Ground High (for A/F sensor) Ground / Open (for A/F sensor) Accelerator pedal position sensor ECM Same as DTC No. P2120 Same as DTC No. P2120 Same as DTC No. P0120 Same as DTC No. P2120 Open or short in A/F sensor (bank 1, 2 sensor 1) circuit A/F sensor (bank 1, 2 sensor 1) A/F sensor heater A/F sensor heater relay A/F sensor heater and relay circuit Air induction system Fuel pressure Injector ECM Open or short in A/F sensor (bank 1, 2 sensor 1) circuit A/F sensor (bank 1, 2 sensor 1) A/F sensor heater A/F sensor heater relay A/F sensor heater and relay circuit ECM Author: Date: 421

8 05248 DIAGNOSTICS SFI SYSTEM (1MZFE) P2255 *4 P2256 *4 P2716 (05724) P2A00 (05451) P2A03 (05451) B2796 (051310) B2797 (051313) B2798 (051313) Ground Low (for A/F sensor) Ground High (for A/F sensor) Pressure Control Solenoid D Electrical A/F Sensor Slow Response A/F Sensor Slow Response (Bank 2 Sensor 1) No Communication in Immobilizer System Open or short in A/F sensor (bank 1, 2 sensor 1) circuit A/F sensor (bank 1, 2 sensor 1) A/F sensor heater A/F sensor heater relay A/F sensor heater and relay circuit ECM Electronic controlled automatic transmission (ECT) Open or short in A/F sensor (bank 1, 2 sensor 1) circuit A/F sensor (bank 1, 2 sensor 1) A/F sensor heater A/F sensor heater relay A/F sensor heater and relay circuit Air induction system Fuel pressure Injector ECM Immobilizer system Communication Malfunction No.1 Immobilizer system Communication Malfunction No.2 Immobilizer system *1: MIL lights up *2: MIL light up or blinking *3: Replace ECM *4: This DTC is recorded when A/F sensor is in a malfunction, although the detection item is oxygen sensor. Author: Date: 422

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