Daewoo Bus BS Series Owner's Manual page 213

Fault Code Fault Subject
UEGO(Universal Exhaust Gas Oxygen
314
Sensor) IA Fault
315 UEGO Heater Fault
MAP(Manifold Air Pressure Sensor)
331
Higher Than Expected
MAP Voltage Low
341
Conditions of Fault
The key is on "ON" position
- The engine warning lamp is on
- Closed Loop Function is not working
- Boost Pressure Fault Limp Home Mode
The key is on "ON" position
- The engine warning lamp is on
- Closed Loop Function is not working
- Boost Pressure Fault Limp Home Mode
The key is on "ON" position
- The engine warning lamp is on
- Adaptive Learn Function is not working
- Closed Loop Function is not working
- Boost Pressure Control Valve is off
- Standard Fuel / Air mixture ratio (Phi) = diagnosed level
- Max throttle value = examination is limited at "ON" position
The key is on "ON" position
- The engine warning lamp is on
- Adaptive Learn Function is not working
- Closed Loop Function is not working
- Boost Pressure Control Valve is off
- Standard Fuel / Air mixture ratio (Phi) = diagnosed level
- Max throttle value = examination is limited at "ON" position
7-23
FAULTY DIAGNOSIS