7-28
FAULTY DIAGNOSIS
Fault Code
561
571
611
612
613
614
641
651
661
671
711
721
Fault Subject
TPS(Trottle Position Sensor) Voltage Low
TPS Higher Than Expected
Relative Humidity Sensor High Fault
Relative Humidity Sensor Low Fault
Relative Humidity Temperature Sensor
High Fault
Relative Humidity Temperature Sensor
Low Fault
NGTT(Natural Gas Tank Temperature
Sensor) Voltage High
NGTT Voltage Low
NGTP(Natural Gas Tank Pressure
Sensor) Voltage High
NGTP Voltage Low
Boost Pressure Higher Than Expected
Boost Pressure Lower Than Expected
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
- Limited fuel supply
The engine warning lamp is constantly on until the fault is resolved
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 is reduced
- Boost Pressure Fault Limp Home Mode
The engine warning lamp is constantly on until the fault is resolved
Summary of Contents for BS Series
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