2UZ-FE ENGINE CONTROL SYSTEM
SFI SYSTEM
- PRECAUTION
- DEFINITION OF TERMS
- PART AND SYSTEM NAME LIST
- PARTS LOCATION
- SYSTEM DIAGRAM
- HOW TO PROCEED WITH TROUBLESHOOTING
- CHECK FOR INTERMITTENT PROBLEMS
- BASIC INSPECTION
- REGISTRATION
- CHECKING MONITOR STATUS
- READINESS MONITOR DRIVE PATTERN
- PROBLEM SYMPTOMS TABLE
- TERMINALS OF ECM
- DIAGNOSIS SYSTEM
- DTC CHECK / CLEAR
- CHECK MODE PROCEDURE
- FAIL-SAFE CHART
- DATA LIST / ACTIVE TEST
- DIAGNOSTIC TROUBLE CODE CHART
- Camshaft Position "A" Actuator Circuit (Bank 1) · DTC P0010,P0020
- Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1) · DTC P0011,P0012,P0021,P0022
- Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) · DTC P0016,P0018
- Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) · DTC P0031,P0032,P0051,P0052
- Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) · DTC P0037,P0038,P0057,P0058,P0141,P0161
- Mass Air Flow Circuit Malfunction · DTC P0100,P0102,P0103
- Mass Air Flow Circuit Range / Performance Problem · DTC P0101
- Intake Air Temperature Circuit · DTC P0110,P0112,P0113
- Intake Air Temperature Sensor Gradient Too High · DTC P0111
- Engine Coolant Temperature Circuit · DTC P0115,P0117,P0118
- Engine Coolant Temperature Circuit Range / Performance Problem · DTC P0116
- Throttle / Pedal Position Sensor / Switch "A" Circuit · DTC P0120,P0122,P0123,P0220,P0222,P0223,P2135
- Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem · DTC P0121
- Insufficient Coolant Temperature for Closed Loop Fuel Control · DTC P0125
- Thermostat Malfunction · DTC P0128
- Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2) · DTC P0136-P0138,P0156-P0158
- System Too Lean (Bank 1) · DTC P0171,P0172,P0174,P0175
- Fuel Pump Primary Circuit · DTC P0230
- Random / Multiple Cylinder Misfire Detected · DTC P0300-P0308
- Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) · DTC P0327,P0328,P0332,P0333
- Crankshaft Position Sensor "A" Circuit · DTC P0335,P0339
- Camshaft Position Sensor Circuit Malfunction · DTC P0340,P0345
- Ignition Coil "A" Primary / Secondary Circuit · DTC P0351-P0358
- Secondary Air Injection System Switching Valve "A" Circuit · DTC P0412
- Secondary Air Injection System Control "A" Circuit · DTC P0418
- Catalyst System Efficiency Below Threshold (Bank 1) · DTC P0420,P0430
- Evaporative Emission System Reference Orifice Clog Up · DTC P043E,P043F,P2401,P2402,P2419
- Evaporative Emission Control System Incorrect Purge Flow · DTC P0441
- Evaporative Emission Control System Pressure Sensor Malfunction · DTC P0450-P0453
- Evaporative Emission Control System Leak Detected (Gross Leak) · DTC P0455,P0456
- Vehicle Speed Sensor "A" · DTC P0500
- Brake Switch "A" / "B" Correlation · DTC P0504
- Idle Control System Malfunction · DTC P0505
- System Voltage · DTC P0560
- Random Access Memory (RAM) · DTC P0604
- ECM / PCM Processor · DTC P0606
- Control Module Performance · DTC P0607
- Starter Relay Circuit High · DTC P0617
- VIN not Programmed or Mismatch - ECM / PCM · DTC P0630
- Actuator Supply Voltage Circuit / Open · DTC P0657
- Camshaft Position Sensor "A" (Bank 1 Sensor 2) · DTC P1340
- Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 1 · DTC P1440,P1443
- Stuck Open in Secondary Air Injection Vacuum Switching Valve Bank 1 · DTC P1441,P1444,P2440
- Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 1 · DTC P1442,P1445,P2441
- Secondary Air Injection Driver Malfunction · DTC P1613
- Throttle Actuator Control Motor Circuit Low · DTC P2102,P2103
- Throttle Actuator Control System - Stuck Open · DTC P2111,P2112
- Throttle Actuator Control Motor Current Range / Performance · DTC P2118
- Throttle Actuator Control Throttle Body Range / Performance · DTC P2119
- Throttle / Pedal Position Sensor / Switch "D" Circuit · DTC P2120,P2122,P2123,P2125,P2127,P2128,P2138
- Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance · DTC P2121
- Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) · DTC P2195-P2198
- Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1) · DTC P2237-P2239,P2240-P2242,P2252,P2253,P2255,P2256
- Evaporative Emission System Switching Valve Control Circuit High · DTC P2420
- Secondary Air Injection System Air Flow / Pressure Sensor Circuit Bank1 · DTC P2430-P2433
- Secondary Air Injection System Pump Stuck On Bank1 · DTC P2444,P2445
- ECM / PCM Internal Engine Off Timer Performance · DTC P2610
- A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) · DTC P2A00,P2A03
- EVAP System
- ECM Power Source Circuit
- VC Output Circuit
- Fuel Pump Control Circuit
- Cranking Holding Function Circuit
- IACV Control Circuit
- MIL Circuit
THROTTLE BODY
ECM
MASS AIR FLOW METER
CAMSHAFT POSITION SENSOR
CRANKSHAFT POSITION SENSOR
ENGINE COOLANT TEMPERATURE SENSOR
KNOCK SENSOR
IGNITION RELAY NO. 1
EFI RELAY
CIRCUIT OPENING RELAY
FUEL PUMP RELAY
CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
AIR FUEL RATIO SENSOR RELAY
ACCELERATOR PEDAL POSITION SENSOR