Problem Symptoms Table
2UZ-FE SFI SYSTEM
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected Area | Information |
|---|---|---|
| Engine does not crank (does not start) | Cranking holding function circuit | CRANKING HOLDING FUNCTION CIRCUIT |
| Starter | INSPECTION | |
| Starter relay | STARTER RELAY | |
| VC output circuit | VC OUTPUT CIRCUIT | |
| No initial combustion (does not start) | ECM power source circuit | ECM POWER SOURCE CIRCUIT |
| VC output circuit | VC OUTPUT CIRCUIT | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| ECM | REMOVAL | |
| No complete combustion (does not start) | Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Difficult to start (engine cranks normally) | Starter signal circuit | DTC P0617 STARTER RELAY CIRCUIT HIGH |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Compression | ON-VEHICLE INSPECTION | |
| Difficult to start (with cold engine) | Starter signal circuit | DTC P0617 STARTER RELAY CIRCUIT HIGH |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Difficult to start (with hot engine) | Starter signal circuit | DTC P0617 STARTER RELAY CIRCUIT HIGH |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| High engine idle speed (poor idling) | A/C signal circuit (compressor circuit) | COMPRESSOR CIRCUIT |
| ECM power source circuit | ECM POWER SOURCE CIRCUIT | |
| Low engine idle speed (poor idling) | A/C signal circuit (compressor circuit) | COMPRESSOR CIRCUIT |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Rough idling (poor idling) | Compression | ON-VEHICLE INSPECTION |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Hunting (poor idling) | ECM power source circuit | ECM POWER SOURCE CIRCUIT |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Hesitation/Poor acceleration (Poor driveability) | Fuel pump control circuit | - |
| A/T faulty | - | |
| Engine stalls during A/C operation | A/C signal circuit (Compressor circuit) | COMPRESSOR CIRCUIT |
| ECM | REMOVAL | |
| Surging (Poor driveability) | Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Unable to refuel/Difficult to refuel | ORVR system | - |
| Engine stalls soon after starting | Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |