Daewoo Bus BS Series Owner's Manual page 215

Fault Code Fault Subject
NGP(Nature Gas Pressure Sensor)
391
Voltage Low
411 NGP Higher Than Expected
412 System Overpressure Fault
421
CAM(Cam Shaft rpm) Sensor Fault
422 CRANK(Crank Shaft rpm) Sensor Fault
Engine Timing Config Fault
423
Engine Overspeed
424
ECM(Engine Control Module) Chassis
425
Error
426
ECM Temperature Alarm
427 Vehicle Speed Sensor Fault
Conditions of Fault
The key is on "ON" position
- The engine warning lamp is on
- Adaptive Learn Function is not working
The key is on "ON" position
- The engine warning lamp is on
- Adaptive Learn Function is not working
The key is on "ON" position
- The engine warning lamp is on
- Main Power Interception and Gas Low Pressure Interception
The key is on "ON" position
- The engine warning lamp is on
The key is on "ON" position
- The engine warning lamp is on
The key is on "ON" position
- The engine warning lamp is on
- Main Power Interception and Gas Low Pressure Interception
The engine warning lamp is constantly on until the fault is resolved
The key is on "ON" position
- The engine warning lamp is on
- Main Power Interception and Gas Low Pressure Interception
The engine warning lamp is constantly on until the fault is resolved
The key is on "ON" position
- The engine warning lamp is on
- Boost Pressure Control Valve is off
- Max throttle = examination is limited
7-25
FAULTY DIAGNOSIS