Problem Symptoms Table
SFI SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Engine does not crank (does not start) | 1. Immobilizer system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING |
| 2. Starter | Refer to INSPECTION | |
| 3. STARTER Relay | Refer to ON-VEHICLE INSPECTION - Step 1 | |
| 4. Starter signal circuit | Refer to DTC P0617: Starter Relay Circuit High | |
| No initial combustion (does not start) | 1. ECM power source circuit | Refer to ECM Power Source Circuit |
| 2. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 3. Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| 4. Injector | Refer to INSPECTION | |
| 5. Crank angle sensor | Refer to INSPECTION | |
| 6. ECM | Refer to REMOVAL | |
| Difficult to start (engine cranks normally) | 1. Electronic Throttle Control System (ETCS) | Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High |
| 2. Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| 3. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 4. Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| 5. Compression | Refer to ON-VEHICLE INSPECTION - Step 9 | |
| 6. Injector | Refer to INSPECTION | |
| 7. Crank angle sensor | Refer to INSPECTION | |
| Difficult to start with cold engine | 1. Starter signal circuit | Refer to DTC P0617: Starter Relay Circuit High |
| 2. Electronic Throttle Control System (ETCS) | Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High | |
| 3. Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| 4. Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| 5. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 6. Injector | Refer to INSPECTION | |
| 7. Engine coolant temperature sensor | Refer to INSPECTION | |
| Difficult to start with hot engine | 1. Starter signal circuit | Refer to DTC P0617: Starter Relay Circuit High |
| 2. Electronic Throttle Control System (ETCS) | Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High | |
| 3. Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| 4. Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| 5. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 6. Injector | Refer to INSPECTION | |
| 7. Engine coolant temperature sensor | Refer to INSPECTION | |
| High engine idle speed (poor idling) | 1. Electronic Throttle Control System (ETCS) | Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High |
| 2. ECM power source circuit | Refer to ECM Power Source Circuit | |
| 3. A/C signal circuit (Compressor circuit) | - | |
| 4. Acoustic Control Induction System (ACIS) | Refer to ACIS Control Circuit | |
| 5. PCV hose | Refer to ON-VEHICLE INSPECTION | |
| 6. ECM | Refer to REMOVAL | |
| Low engine idle speed (poor idling) | 1. Electronic Throttle Control System (ETCS) | Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High |
| 2. ECM power source circuit | Refer to ECM Power Source Circuit | |
| 3. A/C signal circuit (Compressor circuit) | - | |
| 4. Acoustic Control Induction System (ACIS) | Refer to ACIS Control Circuit | |
| 5. PCV hose | Refer to ON-VEHICLE INSPECTION | |
| 6. Injector | Refer to INSPECTION | |
| 7. ECM | Refer to REMOVAL | |
| Rough idling (poor idling) | 1. Electronic Throttle Control System (ETCS) | Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High |
| 2. Injector | Refer to INSPECTION | |
| 3. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 4. Compression | Refer to ON-VEHICLE INSPECTION - Step 9 | |
| 5. Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| 6. Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| 7. Acoustic Control Induction System (ACIS) | Refer to ACIS Control Circuit | |
| 8. PCV hose | Refer to ON-VEHICLE INSPECTION | |
| Hunting (poor idling) | 1. Electronic Throttle Control System (ETCS) | Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High |
| 2. ECM power source circuit | Refer to ECM Power Source Circuit | |
| 3. Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| 4. Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| 5. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 6. Injector | Refer to INSPECTION | |
| 7. Acoustic Control Induction System (ACIS) | Refer to ACIS Control Circuit | |
| 8. PCV hose | Refer to ON-VEHICLE INSPECTION | |
| Hesitation/Poor acceleration (poor driveability) | 1. Injector | Refer to INSPECTION |
| 2. Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| 3. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 4. Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| 5. Air Intake Control System (AICS) | Refer to ACIS Control Circuit | |
| 6. A/T faulty | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Surging (poor driveability) | 1. Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| 2. Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| 3. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 4. Injector | Refer to INSPECTION | |
| Engine stalls soon after starting | 1. Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| 2. Electronic Throttle Control System (ETCS) | Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High | |
| 3. Crank angle sensor | Refer to INSPECTION | |
| 4. Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| 5. Ignition system | Refer to ON-VEHICLE INSPECTION | |
| 6. Injector | Refer to INSPECTION | |
| Engine stalls during A/C operation | 1. A/C signal circuit (Compressor circuit) | - |
| 2. ECM | Refer to REMOVAL | |
| Unable/difficult to refuel | Refueling valve (canister) | - |
| Engine vibrates frequently when idling (Active Control Engine Mount System) | Active control engine mount circuit | Refer to Active Control Engine Mount System |