Engine Stalls During A/C Operation
- Check A/C signal circuit to Engine Control Module (ECM).
- Check idle air control valve (if equipped) and wiring.
- Check Engine Control Module (ECM) and wiring.
Home/Toyota/Tacoma/Toyota Tacoma I (1995-2000)/Repair manual/Testing & Diagnostics/Engine Control System Tests W/o Codes - 3.4L: Overview
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Testing - 2.4L: Overview
- Engine Controls - Basic Testing - 2.4L: Diagnosis
- Engine Controls - Basic Testing - 2.4L: Other
- Engine Controls - System/component Tests - 2.4L: Overview
- Engine Controls - System/component Tests - 2.4L: Diagnosis
- Engine Controls - System/component Tests - 2.4L: Other
- Engine Control System Tests W/codes - 2.4L: Overview
- Engine Control System Tests W/codes - 2.4L: Diagnosis
- Engine Control System Tests W/codes - 2.4L: Component Locations
- Engine Control System Tests W/codes - 2.4L: Other
- DTC P0100: MASS AIRFLOW (MAF) SENSOR CIRCUIT
- DTC P0110: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT
- DTC P0115: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT
- DTC P0120: THROTTLE POSITION (TP) SENSOR/SWITCH CIRCUIT MALFUNCTION
- DTC P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
- DTC P0130: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1)
- DTC P0133: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1) SLOW RESPONSE
- DTC P0135: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1) DTC P0141: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0136: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0141: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0171: SYSTEM TOO LEAN (FUEL TRIM)
- DTC P0172: SYSTEM TOO RICH (FUEL TRIM)
- DTC P0325: KNOCK SENSOR CIRCUIT
- DTC P0335 OR P1335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
- DTC P0336: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT RANGE/PERFORMANCE
- DTC P0340: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT
- DTC P0401: INSUFFICIENT EXHAUST GAS RECIRCULATION (EGR) FLOW DETECTED
- DTC P0402: EXCESSIVE EXHAUST GAS RECIRCULATION (EGR) FLOW DETECTED
- DTC P0420: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD
- DTC P0441: EVAPORATIVE EMISSION CONTROL SYSTEM, INCORRECT PURGE FLOW
- DTC P0500: VEHICLE SPEED SENSOR MALFUNCTION
- DTC P0505: IDLE AIR CONTROL (IAC) SYSTEM MALFUNCTION
- DTC P0510: CLOSED THROTTLE POSITION (CTP) SWITCH MALFUNCTION
- DTC P1300: IGNITOR CIRCUIT MALFUNCTION
- DTC P1310: IGNITOR CIRCUIT NO. 2 MALFUNCTION
- DTC P1335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
- DTC P1600: ECM BATT MALFUNCTION
- DTC P1780: PARK/NEUTRAL POSITION (PNP) SWITCH
- Engine Control System Tests W/o Codes - 2.4L: Diagnosis
- Engine Control System Tests W/o Codes - 2.4L: Other
- Engine Controls - System/component Tests - 2.7L: Overview
- Engine Controls - System/component Tests - 2.7L: Diagnosis
- Engine Controls - System/component Tests - 2.7L: Other
- Engine Controls - Tests W/codes - 2.7L: Overview
- Engine Controls - Tests W/codes - 2.7L: Diagnosis
- Engine Controls - Tests W/codes - 2.7L: Component Locations
- Engine Controls - Tests W/codes - 2.7L: Other
- DTC P0100: MASS AIRFLOW (MAF) SENSOR CIRCUIT
- DTC P0110: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT
- DTC P0115: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT
- DTC P0120: THROTTLE POSITION (TP) SENSOR/SWITCH CIRCUIT MALFUNCTION
- DTC P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
- DTC P0130: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1)
- DTC P0133: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1) SLOW RESPONSE
- DTC P0135: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1), DTC P0141: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0136: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0141: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0171: SYSTEM TOO LEAN (FUEL TRIM), DTC P0172: SYSTEM TOO RICH (FUEL TRIM)
- DTC P0325: KNOCK SENSOR CIRCUIT
- DTC P0335 OR P1335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
- DTC P0340: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT
- DTC P0401: INSUFFICIENT EXHAUST GAS RECIRCULATION (EGR) FLOW DETECTED
- DTC P0402: EXCESSIVE EXHAUST GAS RECIRCULATION (EGR) FLOW DETECTED
- DTC P0420: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD
- DTC P0440: EVAPORATIVE EMISSION CONTROL SYSTEM MALFUNCTION
- DTC P0441: INCORRECT EVAP PURGE FLOW, DTC P0446: VENT CONTROL MALFUNCTION
- DTC P0450: EVAP PRESSURE SENSOR MALFUNCTION
- DTC P0500: VEHICLE SPEED SENSOR MALFUNCTION
- DTC P0505: IDLE AIR CONTROL (IAC) SYSTEM MALFUNCTION
- DTC P1300: IGNITOR CIRCUIT NO. 1 MALFUNCTION
- DTC P1310: IGNITOR CIRCUIT NO. 2 MALFUNCTION
- DTC P1335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
- DTC P1520: STOPLIGHT SWITCH SIGNAL MALFUNCTION
- DTC P1600: ECM BATT MALFUNCTION
- DTC P1780: PARK/NEUTRAL POSITION (PNP) SWITCH
- Engine Controls - Basic Testing - 2.7L: Overview
- Engine Controls - Basic Testing - 2.7L: Diagnosis
- Engine Controls - Basic Testing - 2.7L: Other
- Engine Control System Tests W/o Codes - 2.7L: Diagnosis
- Engine Control System Tests W/o Codes - 2.7L: Other
- Engine Controls - System/component Tests - 3.4L: Overview
- Engine Controls - System/component Tests - 3.4L: Diagnosis
- Engine Controls - System/component Tests - 3.4L: Other
- Engine Control System Tests W/codes - 3.4L: Overview
- Engine Control System Tests W/codes - 3.4L: Diagnosis
- Engine Control System Tests W/codes - 3.4L: Component Locations
- Engine Control System Tests W/codes - 3.4L: Other
- DTC P0100: MASS AIRFLOW (MAF) SENSOR CIRCUIT
- DTC P0110: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT
- DTC P0115: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT
- DTC P0120: THROTTLE POSITION (TP) SENSOR CIRCUIT MALFUNCTION
- DTC P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
- DTC P0130: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1)
- DTC P0133: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1) SLOW RESPONSE
- DTC P0135: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 1), DTC P0141: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0136: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0141: HEATED OXYGEN SENSOR CIRCUIT (SENSOR NO. 2)
- DTC P0171: SYSTEM TOO LEAN (FUEL TRIM), DTC P0172: SYSTEM TOO RICH (FUEL TRIM)
- DTC P0301-P0306 - CYLINDERS NO. 1-6 MISFIRE DETECTED
- DTC P0325: KNOCK SENSOR NO. 1 CIRCUIT, DTC P0330: KNOCK SENSOR NO. 2 CIRCUIT
- DTC P0335 OR P1335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
- DTC P0340: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT
- DTC P0401: INSUFFICIENT EXHAUST GAS RECIRCULATION (EGR) FLOW DETECTED
- DTC P0402: EXCESSIVE EXHAUST GAS RECIRCULATION (EGR) FLOW DETECTED
- DTC P0420: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD
- DTC P0440: EVAPORATIVE EMISSION CONTROL SYSTEM MALFUNCTION
- DTC P0441: INCORRECT EVAP PURGE FLOW, DTC P0446: VENT CONTROL MALFUNCTION
- DTC P0450: EVAP PRESSURE SENSOR MALFUNCTION
- DTC P0500: VEHICLE SPEED SENSOR MALFUNCTION
- DTC P0505: IDLE AIR CONTROL (IAC) SYSTEM MALFUNCTION
- DTC P1300: IGNITOR CIRCUIT MALFUNCTION
- DTC P1335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
- DTC P1520: STOPLIGHT SWITCH SIGNAL MALFUNCTION (A/T ONLY)
- DTC P1600: ECM BATT MALFUNCTION
- DTC P1780: PARK/NEUTRAL POSITION (PNP) SWITCH
- Engine Controls - Basic Testing - 3.4L: Overview
- Engine Controls - Basic Testing - 3.4L: Diagnosis
- Engine Controls - Basic Testing - 3.4L: Other
- Engine Control System Tests W/o Codes - 3.4L: Overview
- Engine Control System Tests W/o Codes - 3.4L: Diagnosis
- Engine Control System Tests W/o Codes - 3.4L: Other
- Abbreviations
- Accessory Drive Belts
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