Engine (3UZ-FE) - Diagnostics
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Readiness Monitor Drive Pattern
- Diagnostic Trouble Code Chart
- Parts Location
- Terminals Of ECM
- Problem Symptoms Table
- Circuit Inspection
- DTC P0010: Camshaft Position "A" Actuator circuit (Bank 1), DTC P0020 Camshaft Position "A" Actuator circuit (Bank 2)
- DTC P0011: Camshaft Position "A" -Timing Over-Actuator or System Performance (Bank 1), DTC P0012 Camshaft Position "A" -Timing Over-Retarded (Bank 1), DTC P0021 Camshaft Position "A" -Timing Over-Actuator or System Performance (Bank 2), DTC P0022 Camshaft Position "A" -Timing Over-Retarded (Bank 2)
- DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A), DTC P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
- DTC P0031: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1), DTC P0032 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1), DTC P0037 Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2), DTC P0038 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2), DTC P0051 Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 1), DTC P0052 Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 1), DTC P0057 Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2), DTC P0058 Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
- DTC P0100: Mass or Volume Air Flow Circuit, DTC P0102 Mass or Volume Air Flow Circuit Low Input, DTC P0103 Mass or Volume Air Flow Circuit High Input
- DTC P0101: Mass or Volume Air Flow Circuit Range/Performance Problem
- DTC P0110: Intake Air Temperature Circuit, DTC P0112 Intake Air Temperature Circuit Low Input, DTC P0113 Intake Air Temperature Circuit High Input
- DTC P0115: Engine Coolant Temperature Circuit, DTC P0117 Engine Coolant Temperature Circuit Low Input, DTC P0118 Engine Coolant Temperature Circuit High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0120: Throttle Pedal Position Sensor/Switch "A" Circuit, DTC P0122 Throttle Pedal Position Sensor/Switch "A" Circuit Low Input, DTC P0123 Throttle Pedal Position Sensor/Switch "A" Circuit High Input, DTC P0220 Throttle/Pedal Position Sensor/Switch "B" Circuit, DTC P0222 Throttle Pedal Position Sensor/Switch "B" Circuit Low Input, DTC P0223 Throttle Pedal Position Sensor/Switch "B" Circuit High Input, DTC P2135 Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correction
- DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
- DTC P0125: Insufficient coolant temperature for closed loop fuel control
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0130: Oxygen Sensor Circuit (Bank 1 Sensor 1), DTC P0150 Oxygen Sensor Circuit (Bank 2 Sensor 1), DTC P2195 Oxygen Sensor Signal Stack Lean (Bank 1 Sensor 1), DTC P2196 Oxygen Sensor Signal Stack Rich (Bank 1 Sensor 1), DTC P2197 Oxygen Sensor Signal Stack Lean (Bank 2 Sensor 1), DTC P2198 Oxygen Sensor Signal Stack Rich (Bank 2 Sensor 1)
- DTC P0133: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1), DTC P0153 Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 1)
- DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1), DTC P0154 Oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
- DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2), DTC P0156 Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0171: System too Lean (Bank 1), DTC P0172 System too Rich (Bank 1), DTC P0174 System too Lean (Bank 2), DTC P0175 System too Rich (Bank 2)
- DTC P0300: Random/Multiple Cylinder Misfire Detected, DTC P0301 Cylinder 1 Misfire Detected, DTC P0302 Cylinder 2 Misfire Detected, DTC P0303 Cylinder 3 Misfire Detected, DTC P0304 Cylinder 4 Misfire Detected, DTC P0305 Cylinder 5 Misfire Detected, DTC P0306 Cylinder 6 Misfire Detected, DTC P0307 Cylinder 7 Misfire Detected, DTC P0308 Cylinder 8 Misfire Detected
- DTC P0325: Knock Sensor 1 Circuit (Bank 1 or Single Sensor), DTC P0330 Knock Sensor 2 Circuit Malfunction (Bank 2)
- DTC P0335: Crankshaft Position Sensor "A" Circuit, DTC P0339 Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor), DTC P0341 Camshaft Position Sensor "A" Circuit Range/Performance (Single Sensor), DTC P0345 Camshaft Position Sensor "A" Circuit (Bank 2) DTC P0346 Camshaft Position Sensor "A" Circuit Range/Performance (Bank 2)
- DTC P0351: Igniter Coil "A" Primary/Secondary Circuit, DTC P0352 Igniter Coil "B" Primary/Secondary Circuit, DTC P0353 Igniter Coil "C" Primary/Secondary Circuit, DTC P0354 Igniter Coil "D" Primary/Secondary Circuit, DTC P0355 Igniter Coil "E" Primary/Secondary Circuit, DTC P0356 Igniter Coil "F" Primary/Secondary Circuit, DTC P0357 Igniter Coil "G" Primary/Secondary Circuit, DTC P0358 Igniter Coil "H" Primary/Secondary Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1), DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2)
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow, DTC P0446 Evaporative Emission Control System Vent Control Circuit, DTC P2418 Evaporative Emission System Valve Control Circuit/Open
- DTC P0442: Evaporative Emission Control System Leak Detected (Small Leak), DTC P0455 Evaporative Emission Control System Leak Detected (Gross Leak), DTC P0456 Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0451: Evaporative Emission Control System Pressure Sensor/Switch Range/Performance, DTC P0452 Evaporative Emission Control System Pressure Sensor/Switch Low Input, DTC P0453 Evaporative Emission Control System Pressure Sensor/Switch High Input
- DTC P0500: Vehicle Speed Sensor "A", DTC P0503 Vehicle Speed Sensor "A" Intermittent/Erratic/High
- DTC P0504: Brake Switch "A"/"B" Correlation
- DTC P0505: Idle Air Control System
- DTC P0513: Incorrect Immobilizer Key
- DTC P0560: System Voltage
- DTC P0604: Internal Control Module Random Access Memory (RAM) Error, DTC P0606 ECM/PCM Processor, DTC P0607 Control Module Performance, DTC P0657 Actuator Supply Voltage Circuit / Open
- DTC P0617: Starter Relay Circuit High
- DTC P1340, P1341: Camshaft Position Sensor "A" (Bank Sensor 1)
- DTC P1645: Body ECU Malfunction
- DTC P2102: Throttle Actuator Control Motor Circuit Low, DTC P2103 Throttle Actuator Control Motor Circuit High
- DTC P2111: Throttle Actuator Control System-Stuck Open, DTC P2112 Throttle Actuator Control System-Stuck Closed
- DTC P2118: Throttle Actuator Control Motor Current Range/Performance
- DTC P2119: Throttle Actuator Control Throttle Body Range/Performance
- DTC P2120: Throttle/Pedal Position Sensor/Switch "D" Circuit, DTC P2122 Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input, DTC P2123 Throttle/Pedal Position Sensor/Switch "D" Circuit High Input, DTC P2125 Throttle/Pedal Position Sensor/Switch "E" Circuit, DTC P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input, DTC P2128 Throttle/Pedal Position Sensor/Switch "E" Circuit High Input, DTC P2138 Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation
- DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance
- ECM Power Source Circuit
- Fuel Pump Control Circuit
- IACV Control Circuit
- MIL Circuit Malfunction
- TC Terminal Circuit