Brand:
Toyota
Model Name:
Camry ACV40 GSV40
Manual:
Repair Manual
Section:
2Az-Fe Engine Control System
Title:
Sfi System
- HINT:
- When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the causes of problem cannot be identified through a basic inspection, troubleshoot according to the priority order indicated in the table below.
| Symptom | Suspected Area | See page |
| Engine does not crank (Does not start) | 1. Battery | Click here |
| 2. VC output circuit | Click here | |
| 3. Starter | Click here | |
| 4. ST relay | Click here | |
| 5. Park/neutral position switch (Automatic transaxle) | Click here | |
| 6. Clutch start switch (Manual transaxle) | Click here | |
| 7. Immobiliser system | Click here | |
| No initial combustion (Does not start) | 1. ECM power source circuit | Click here |
| 2. Crankshaft position sensor | Click here | |
| 3. Camshaft position sensor | Click here | |
| 4. Ignition system | Click here | |
| 5. Fuel pump control circuit | Click here | |
| 6. ECM | Click here | |
| 7. VC output circuit | Click here | |
| Engine cranks normally but difficult to start | 1. Fuel pump control circuit | Click here |
| 2. Compression | Click here | |
| 1. ECM power source circuit | Click here | |
| Difficult to start with cold engine | 1. Ignition system | Click here |
| 2. Spark plug | Click here | |
| 3. Fuel pump control circuit | Click here | |
| 4. Injector | Click here | |
| Difficult to start with warm engine | 1. Injector | Click here |
| 2. Ignition system | Click here | |
| 3. Spark plug | Click here | |
| 4. Fuel pump control circuit | Click here | |
| High engine idling speed | 1. Electronic throttle control system | Click here |
| 2. A/C signal circuit | - | |
| Low engine idling speed (Poor idling) | 1. Electronic throttle control system | Click here |
| 2. A/C signal circuit | - | |
| 3. Fuel pump control circuit | Click here | |
| 4. Air induction system | Click here | |
| 5. Ventilation hose | Click here | |
| Rough idling | 1. Compression | Click here |
| 2. Spark plug | Click here | |
| 3. Injector | Click here | |
| 4. Ignition system | Click here | |
| 5. Fuel pump control circuit | Click here | |
| 6. Electronic throttle control system | Click here | |
| 7. Air induction system | Click here | |
| 8. Ventilation hose | Click here | |
| 9. Mass air flow meter | Click here | |
| Idle hunting | 1. Electronic throttle control system | Click here |
| 2. Air induction system | Click here | |
| 3. ECM power source circuit | Click here | |
| Hesitation/Poor acceleration | 1. Fuel pump control circuit | Click here |
| 2. Spark plug | Click here | |
| 3. Ignition system | Click here | |
| 4. Injector | Click here | |
| 5. Mass air flow meter | Click here | |
| 6. Electronic throttle control system | Click here | |
| 7. Air induction system | Click here | |
| 8. Compression | Click here | |
| Surging (Poor driveability) | 1. Spark plug | Click here |
| 2. Fuel pump control circuit | Click here | |
| 3. Ignition system | Click here | |
| 4. Injector | Click here | |
| 5. Mass air flow meter | Click here | |
| 6. Variable valve timing system | Click here | |
| 7. Compression | Click here | |
| Engine stalls soon after starting | 1. Fuel pump control circuit | Click here |
| 2. Spark plug | Click here | |
| 3. Ignition system | Click here | |
| 4. Injector | Click here | |
| 5. Variable valve timing system | Click here | |
| 6. Electronic throttle control system | Click here | |
| 7. Air induction system | Click here | |
| 8. Ventilation hose | Click here | |
| 9. Compression | Click here | |
| Engine stalls only during A/C operation | 1. A/C signal circuit | - |
| 2. ECM | Click here |