| Troubleshooting |
|
Symptom |
Suspected area |
|
Engine does not start or struggles to start |
Vapor hose damaged or disconnected |
|
Engine struggles to start |
Malfunctioning Purge Control Solenoid Valve |
|
Rough idle or engine stalls |
Vapor hose damaged or disconnected |
|
Malfunctioning PCV valve |
|
|
Rough idle |
Malfunctioning Evaporative Emission Control System |
|
Excessive oil consumption |
Positive crankcase ventilation line clogged |
Description Emissions Control System consists of three major systems. • The Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere.
Schematic Diagram
Description and operation Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.
Troubleshooting 1) After replacing H/UNIT, always check that the system operates properly. 2) If the failure persists after replacing the H/UNIT, do not replace the unit.