System - Basic Engine Control System
| SYMPTOM | Reference | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HARD/NO START/RESTART (EXCP. HA) | ENGINE STALL | HESITATION/SURGING/FLAT SPOT | SPARK KNOCK/DETONATION | LACK OF POWER/POOR ACCELERATION | HIGH IDLE/LOW IDLE | ROUGH IDLE/HUNTING | IDLING VIBRATION | SLOW/NO RETURN TO IDLE | OVERHEATS/WATER TEMPERATURE HIGH | EXCESSIVE FUEL CONSUMPTION | EXCESSIVE OIL CONSUMPTION | BATTERY DEAD (UNDER CHARGE) | |||
| Warranty Symptom Code | AA | AB | AC | AD | AE | AF | AG | AH | AJ | AK | AL | AM | HA | ||
| Fuel | Fuel Pump Circuit | 1 | 1 | 2 | 3 | 2 | 2 | 2 | 3 | 2 | COMPONENT FUNCTION CHECK | ||||
| Fuel Pressure Regulator System | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | INSPECTION | ||||
| Fuel Injector Circuit | 1 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | COMPONENT FUNCTION CHECK | ||||||
| Evaporative Emission System | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | SYSTEM DESCRIPTION | ||||
| Air | Positive Crankcase Ventilation System | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | COMPONENT INSPECTION | ||
| Incorrect Idle Speed Adjustment | 1 | 1 | 1 | 1 | 1 | SPECIAL REPAIR REQUIREMENT | |||||||||
| Electric Throttle Control Actuator | 1 | 1 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | DTC LOGIC , DTC LOGIC | |||
| Ignition | Incorrect Ignition Timing Adjustment | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | SPECIAL REPAIR REQUIREMENT | |||||
| Ignition Circuit | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | COMPONENT FUNCTION CHECK | ||||||
| Main Power Supply And Ground Circuit | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | DIAGNOSIS PROCEDURE | |||||
| Mass Air Flow Sensor Circuit | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | DTC LOGIC , DTC LOGIC | ||||||
| Engine Coolant Temperature Sensor Circuit | 3 | 3 | 3 | DTC LOGIC , DTC LOGIC | |||||||||||
| Air Fuel Ratio (A/F) Sensor 1 Circuit | DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC | ||||||||||||||
| Throttle Position Sensor Circuit | 2 | 2 | DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC | ||||||||||||
| Accelerator Pedal Position Sensor Circuit | 3 | 2 | 1 | DTC LOGIC , DTC LOGIC , DTC LOGIC | |||||||||||
| Knock Sensor Circuit | 2 | 3 | DTC LOGIC | ||||||||||||
| Engine Oil Temperature Sensor | 4 | 1 | 3 | DTC LOGIC , DTC LOGIC | |||||||||||
| Crankshaft Position Sensor (POS) Circuit | 2 | 2 | DTC LOGIC | ||||||||||||
| Camshaft Position Sensor (PHASE) Circuit | 3 | 2 | DTC LOGIC | ||||||||||||
| Vehicle Speed Signal Circuit | 2 | 3 | 3 | 3 | DTC LOGIC | ||||||||||
| Power Steering Pressure Sensor Circuit | 2 | 3 | 3 | DTC LOGIC | |||||||||||
| ECM | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | DTC LOGIC , DTC LOGIC | |||
| Intake Valve Timing Control Solenoid Valve Circuit | 3 | 2 | 1 | 3 | 2 | 2 | 3 | 3 | DTC LOGIC | ||||||
| VVEL Control Module | 3 | 4 | 4 | 3 | DTC LOGIC , DTC LOGIC | ||||||||||
| VVEL Actuator Motor | 3 | 4 | 4 | 3 | DTC LOGIC | ||||||||||
| VVEL Actuator Motor Relay | 3 | 4 | 4 | 3 | DTC LOGIC | ||||||||||
| VVEL Actuator Shaft Position Sensor | 3 | 4 | 4 | 3 | DTC LOGIC | ||||||||||
| PNP Signal Circuit | 3 | 3 | 3 | 3 | 3 | DTC LOGIC | |||||||||
| Refrigerant Pressure Sensor Circuit | 2 | 3 | 3 | 4 | COMPONENT FUNCTION CHECK | ||||||||||
| Electrical Load Signal Circuit | 3 | COMPONENT FUNCTION CHECK | |||||||||||||
| Air Conditioner Circuit | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | WORK FLOW | |||
| ABS Actuator And Electric Unit (Control Unit) | 4 | WORK FLOW | |||||||||||||
1 - 6: The numbers refer to the order of inspection.
(continued on next chart)