SFI System
WARNING: This page is about a different car, the 2006 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Refer to |
|---|---|---|
| Engine does not crank (Does not start) | 1. Starter | INSPECTION |
| 2. ST Relay | INSPECTION | |
| 3. Park/neutral position switch | DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT) | |
| 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. ECM | - | |
| No complete combustion (does not start) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Difficult to start (engine cranks normally) | 1. Starter signal circuit | DTC P0617 STARTER RELAY CIRCUIT HIGH |
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| 3. Compression | See step 9 in 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 | |
| Difficult to start with hot engine | 1. Starter signal circuit | DTC P0617 STARTER RELAY CIRCUIT HIGH |
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| High engine idle speed (poor idling) | 1. A/C signal circuit (Compressor circuit) | COMPRESSOR CIRCUIT |
| 2. ECM power source circuit | ECM POWER SOURCE CIRCUIT | |
| Low engine idle speed (poor idling) | 1. A/C signal circuit (Compressor circuit) | COMPRESSOR CIRCUIT |
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Rough idling (poor idling) | 1. Compression | See step 9 in INSPECTION |
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Hunting (poor idling) | 1. ECM power source circuit | ECM POWER SOURCE CIRCUIT |
| 2. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Hesitation/Poor acceleration (poor driveability) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. A/T faulty | HOW TO PROCEED WITH TROUBLESHOOTING | |
| Surging (poor driveability) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Engine stalls soon after starting | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Engine stalls during A/C operation | 1. A/C signal circuit (Compressor circuit) | COMPRESSOR CIRCUIT |
| 2. ECM | - | |
| Unable to refuel/Difficult to refuel | 1. ORVR system | - |