Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem symptom. The potential cases of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
SYMPTOM CHART
| Symptom | Suspected area | See | ||
|---|---|---|---|---|
| Engine does not crank (Does not start) | 1. Immobilizer system | SYSTEM DESCRIPTION | ||
| 2. Starter | INSPECTION | |||
| 3. STARTER relay | INSPECTION | |||
| No initial combustion (Does not start) | 1. ECM power source circuit | ECM POWER SOURCE CIRCUIT | ||
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |||
| 3. VC output circuit | VC OUTPUT CIRCUIT | |||
| 4. ECM | ECM | |||
| Engine cranks normally but difficult to start | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | ||
| 2. Compression | ON-VEHICLE INSPECTION | |||
| Difficult to start with cold engine | 1. Starter signal circuit | DTC P0617 STARTER RELAY CIRCUIT HIGH | ||
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |||
| 3. Spark plug | ON-VEHICLE INSPECTION | |||
| 4. Ignition system | ON-VEHICLE INSPECTION | |||
| 5. Injector | INSPECTION | |||
| Difficult to start with warm engine | 1. Starter signal circuit | DTC P0617 STARTER RELAY CIRCUIT HIGH | ||
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |||
| 3. Spark plug | ON-VEHICLE INSPECTION | |||
| 4. Ignition system | ON-VEHICLE INSPECTION | |||
| 5. Injector | INSPECTION | |||
| High engine idling speed (Poor idling) | 1. A/C signal circuit (compressor circuit) | SYSTEM DIAGRAM | ||
| 2. ECM power source circuit | ECM POWER SOURCE CIRCUIT | |||
| 3. Electronic throttle control system | THROTTLE BODY | |||
| 4. Air induction system | ON-VEHICLE INSPECTION | |||
| 5. PCV hose | INSPECTION | |||
| Low engine idling speed (Poor idling) | 1. A/C signal circuit (compressor circuit) | SYSTEM DIAGRAM | ||
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |||
| 3. Electronic throttle control system | THROTTLE BODY | |||
| 4. Air induction system | ON-VEHICLE INSPECTION | |||
| 5. PCV hose | INSPECTION | |||
| Rough idling (Poor idling) | 1. Compression | ON-VEHICLE INSPECTION | ||
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |||
| 3. Electronic throttle control system | THROTTLE BODY | |||
| 4. Air induction system | ON-VEHICLE INSPECTION | |||
| 5. PCV hose | INSPECTION | |||
| 6. Mass air flow meter | MASS AIR FLOW METER | |||
| Hunting (Poor idling) | 1. ECM power source circuit | ECM POWER SOURCE CIRCUIT | ||
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |||
| 3. Spark plug | ON-VEHICLE INSPECTION | |||
| 4. Ignition system | ON-VEHICLE INSPECTION | |||
| 5. Injector | INSPECTION | |||
| 6. Electronic throttle control system | THROTTLE BODY | |||
| 7. Air induction system | ON-VEHICLE INSPECTION | |||
| 8. PCV hose | INSPECTION | |||
| Hesitation/Poor acceleration (Poor driveability) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | ||
| 2. A/T faulty(1) | HOW TO PROCEED WITH TROUBLESHOOTING | |||
| 3. Spark plug | ON-VEHICLE INSPECTION | |||
| 4. Ignition system | ON-VEHICLE INSPECTION | |||
| 5. Injector | INSPECTION | |||
| 6. Mass air flow meter | MASS AIR FLOW METER | |||
| Surging (Poor driveability) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | ||
| 2. Spark plug | ON-VEHICLE INSPECTION | |||
| 3. Ignition system | ON-VEHICLE INSPECTION | |||
| 4. Injector | INSPECTION | |||
| 5. Mass air flow meter | MASS AIR FLOW METER | |||
| Engine stalls soon after starting | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | ||
| 2. Spark plug | ON-VEHICLE INSPECTION | |||
| 3. Ignition system | ON-VEHICLE INSPECTION | |||
| 4. Injector | INSPECTION | |||
| Engine stalls during A/C operation | 1. A/C signal circuit (Compressor circuit) | SYSTEM DIAGRAM | ||
| 2. ECM | ECM | |||
| Unable/difficult to refuel | 1. Refueling valve (canister) | INSPECTION | ||
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