Problem Symptoms Table
When the malfunction is not confirmed in the diagnostic trouble code check and the problem still cannot be confirmed in the basic inspection, use this table and troubleshoot according to the priority order given below.
SFI SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected Area | See |
|---|---|---|
| Engine does not crank (Does not start) | 1. No. 1 Motor generator | - |
| 2. Hybrid control system | HYBRID CONTROL SYSTEM | |
| 3. Immobilizer system | ENGINE IMMOBILIZER | |
| 4. Smart key system | SMART KEY SYSTEM | |
| 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. Spark plug | IGNITION COIL | |
| 4. Immobilizer system | ENGINE IMMOBILIZER | |
| 5. Injector | FUEL INJECTOR | |
| 6. ECM | TERMINALS OF ECM | |
| 7. Crankshaft position sensor circuit | DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT | |
| 8. VC output circuit | VC OUTPUT CIRCUIT | |
| No complete combustion (Does not start) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. Spark plug | IGNITION COIL | |
| 3. Immobilizer system | ENGINE IMMOBILIZER | |
| 4. Injector | FUEL INJECTOR | |
| 5. Crankshaft position sensor circuit | DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT | |
| Engine cranks normally but difficult to start | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. Compression | ON-VEHICLE INSPECTION | |
| 3. Spark plug | IGNITION COIL | |
| 4. Injector | FUEL INJECTOR | |
| 5. Crankshaft position sensor circuit | DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT | |
| Difficult to start with cold engine | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. Spark plug | IGNITION COIL | |
| 3. Injector | FUEL INJECTOR | |
| 4. Crankshaft position sensor circuit | DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT | |
| Difficult to start with hot engine | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. Spark plug | IGNITION COIL | |
| 3. Injector | FUEL INJECTOR | |
| 4. Crankshaft position sensor circuit | DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT | |
| High engine idle speed (Poor idling) | 1. ECM power source circuit | ECM POWER SOURCE CIRCUIT |
| 2. Electronic throttle control system | DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH | |
| Low engine idle speed (Poor idling) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. Electronic throttle control system | DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH | |
| 3. Injector | FUEL INJECTOR | |
| Rough idling (Poor idling) | 1. Compression | ON-VEHICLE INSPECTION |
| 2. Electronic throttle control system | DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH | |
| 3. Injector | FUEL INJECTOR | |
| 4. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| 5. Spark plug | IGNITION COIL | |
| Hunting (Poor idling) | 1. ECM power source circuit | ECM POWER SOURCE CIRCUIT |
| 2. Electronic throttle control system | DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH | |
| 3. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Hesitation/Poor acceleration (Poor driveability) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. Injector | FUEL INJECTOR | |
| 3. Spark plug | IGNITION COIL | |
| 4. HV transaxle | - | |
| Surging (Poor driveability) | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. Spark plug | IGNITION COIL | |
| 3. Injector | FUEL INJECTOR | |
| Engine stalls soon after starting | 1. Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| 2. Electronic throttle control system | DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH | |
| 3. Immobilizer | ENGINE IMMOBILIZER | |
| 4. Crankshaft position sensor circuit | DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT | |
| Unable to refuel/Difficult to refuel | 1. ORVR system | - |