Engine

​

rpm

• Description: engine revolutions per minute
• Format: numeric
• Unit: rpm
• Decimal places: 2
  • The data processed by mobway will always have at most 2 decimal places. However, the precision of the original data depends on the automaker. The data may have fewer than 2 decimal places when it ends in 0 due to automatic float formatting
• Range: 0 to 10000 rpm
  • The RPM range was defined based on the maximum value that vehicles connected to mobway can reach, including a safety margin
  • Data outside this range is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "rpm": {
    "value": -1014.38,
    "flag": "out of range"
  }
}

• Missing data
  • A flag is generated to indicate that the original data was missing, using the following format:

{
  "rpm": {
    "flag": "missing data"
  }
}

• Example:

{
  "rpm": 3567.89
}

​

oil_level

• Description: amount of engine lubricating oil
• Format: numeric
• Unit: %
• Decimal places: 2
  • The data processed by mobway will always have at most 2 decimal places. However, the precision of the original data depends on the automaker. The data may have fewer than 2 decimal places when it ends in 0 due to automatic float formatting
• Range: 0 to 100%
  • The oil level range was defined based on the default limit values
  • Data outside this range is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "oil_level": {
    "value": 125.60,
    "flag": "out of range"
  }
}

• Missing data
  • A flag is generated to indicate that the original data was missing, using the following format:

{
  "oil_level": {
    "flag": "missing data"
  }
}

• Example:

{
  "oil_level": 82.37
}

​

oil_remaining_life

• Description: percentage of remaining engine oil life
• Format: numeric
• Unit: %
• Decimal places: 2
  • The data processed by mobway will always have at most 2 decimal places. However, the precision of the original data depends on the automaker. The data may have fewer than 2 decimal places when it ends in 0 due to automatic float formatting
• Range: 0 to 100%
  • The oil remaining life range was defined based on the default limit values
  • Data outside this range is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "oil_remaining_life": {
    "value": 107.12,
    "flag": "out of range"
  }
}

• Missing data
  • A flag is generated to indicate that the original data was missing, using the following format:

{
  "oil_remaining_life": {
    "flag": "missing data"
  }
}

• Example:

{
  "oil_remaining_life": 37.92
}

​

oil_remaining_life_status

• Description: status of the remaining engine oil life
• Format: categorical
• Values:
  • extremely low
    • Description: indicates that the remaining engine oil life status is extremely low
  • low
    • Description: indicates that the remaining engine oil life status is low
  • normal
    • Description: indicates that the remaining engine oil life status is normal
  • unknown
    • Description: indicates that the remaining engine oil life status is unknown
• Example:

{
  "oil_remaining_life_status": "normal"
}

​

engine_coolant_temperature

• Description: engine coolant temperature
• Format: numeric
• Unit: °C
• Decimal places: 2
  • The data processed by mobway will always have at most 2 decimal places. However, the precision of the original data depends on the automaker. The data may have fewer than 2 decimal places when it ends in 0 due to automatic float formatting
• Range: -15°C to 150°C
  • The minimum engine coolant temperature value was defined based on the lowest ambient temperature reached in Brazil, including a safety margin. The maximum engine coolant temperature value was defined based on commonly reached maximum values, including a safety margin
  • Data outside this range is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "engine_coolant_temperature": {
    "value": -25.34,
    "flag": "out of range"
  }
}

• Missing data
  • A flag is generated to indicate that the original data was missing, using the following format:

{
  "engine_coolant_temperature": {
    "flag": "missing data"
  }
}

• Example:

{
  "engine_coolant_temperature": 98.75
}

​

total_engine_idle_time

• Description: total time the engine is on while the vehicle is stopped
• Format: numeric
• Unit: s
• Decimal places: 2
  • The data processed by mobway will always have at most 2 decimal places. However, the precision of the original data depends on the automaker. The data may have fewer than 2 decimal places when it ends in 0 due to automatic float formatting
• Range: 0 to 100000000 s
  • The limit for total engine idle time was defined based on the equivalent of 8 hours per day over 10 years
  • Data outside this range is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "total_engine_idle_time": {
    "value": -1023.12,
    "flag": "out of range"
  }
}

• Minimum and maximum variation: 0 and (1.1x + 2)s per second
  • The minimum and maximum variations for total engine idle time were defined to disregard minor inaccuracies
  • Data with variation outside the allowed limit compared to the previous data point is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "total_engine_idle_time": {
    "value": 43368.81,
    "flag": "variation out of limit"
  }
}

• Missing data
  • A flag is generated to indicate that the original data was missing, using the following format:

{
  "total_engine_idle_time": {
    "flag": "missing data"
  }
}

• Example:

{
  "total_engine_idle_time": 9728308.75
}

​

total_engine_run_time

• Description: total time the engine is on while the vehicle is moving
• Format: numeric
• Unit: s
• Decimal places: 2
  • The data processed by mobway will always have at most 2 decimal places. However, the precision of the original data depends on the automaker. The data may have fewer than 2 decimal places when it ends in 0 due to automatic float formatting
• Range: 0 to 300000000 s
  • The limit for total engine run time was defined based on the equivalent of 24 hours per day over 10 years
  • Data outside this range is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "total_engine_run_time": {
    "value": -1352.86,
    "flag": "out of range"
  }
}

• Minimum and maximum variation: 0 and (1.1x + 2)s per second
  • The minimum and maximum variations for total engine run time were defined to disregard minor inaccuracies
  • Data with variation outside the allowed limit compared to the previous data point is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "total_engine_run_time": {
    "value": 37268.11,
    "flag": "variation out of limit"
  }
}

• Missing data
  • A flag is generated to indicate that the original data was missing, using the following format:

{
  "total_engine_run_time": {
    "flag": "missing data"
  }
}

• Example:

{
  "total_engine_run_time": 73920308.35
}

​

engine_air_filter_diagnostic

• Description: indicates the fault affecting the engine air filter
• Format: categorical
• Values:
  • blocked
    • Description: indicates that the engine air filter is blocked
  • inactive
    • Description: indicates that the engine air filter is inactive. All data related to the engine air filter should be ignored
  • indeterminate issue
    • Description: indicates that an indeterminate issue was found in the engine air filter
  • missing
    • Description: indicates that the engine air filter was not detected
  • ok
    • Description: indicates that the engine air filter is ok
  • other
    • Description: indicates that the vehicle sent a signal from a category not mapped by mobway

{
  "engine_air_filter_diagnostic": "blocked"
}

​

engine_air_filter_status

• Description: indicates the engine air filter status
• Format: categorical
• Values:
  • disabled feature
    • Description: indicates that data related to the engine air filter is disabled
  • invalid feature
    • Description: indicates that data related to the engine air filter is invalid
  • ok
    • Description: indicates that the engine air filter is ok
  • change now
    • Description: indicates that the engine air filter should be changed now
  • change soon
    • Description: indicates that the engine air filter should be changed soon
  • other
    • Description: indicates that the vehicle sent a signal from a category not mapped by mobway

{
  "engine_air_filter_status": "change now"
}

​

engine_air_filter_remaining_life

• Description: estimate of how worn the engine air filter is
• Format: numeric
• Unit: %
• Decimal places: 2
  • The data processed by mobway will always have at most 2 decimal places. However, the precision of the original data depends on the automaker. The data may have fewer than 2 decimal places when it ends in 0 due to automatic float formatting
• Range: 0 to 100%
  • The engine air filter remaining life range was defined based on the default limit values
  • Data outside this range is considered invalid
  • The value is replaced with a null value
  • A flag is generated to indicate the error and the original value, using the following format:

{
  "engine_air_filter_remaining_life": {
    "value": 132.12,
    "flag": "out of range"
  }
}

• Missing data
  • A flag is generated to indicate that the original data was missing, using the following format:

{
  "engine_air_filter_remaining_life": {
    "flag": "missing data"
  }
}

• Example:

{
  "engine_air_filter_remaining_life": 91.98
}