obd_apps_analysis.md

OBD Apps Analysis

OBD Car Doctor Free

There's also a paid version.

Pros

• App Setup on first open
  1. Language
  2. Privacy Policy
  3. Explanation About OBD (History, ELM327 Adapter, Port Location, Setup Instructions)
  4. Show how to get in touch
  5. Setup Measurement Units
  6. Log in/Sign in
  7. Ask for permissions (with a previous alert explaining the reasons) -- File and Location
• ListView with actions on Home Screen
  1. General Information (VIN, OBD-II Standard, Protocol)
  2. Diagnostic (Error, pending, freeze frame)
  3. Current data (Combined, single, widget)
  4. Search (Garage, Filling station, Parking, Carwash)
  5. Logbook (Economy, Records, Fueling)
  6. Settings (Adapter, Protocol, Language, Units)
  7. Connect to adapter (when clicked, show a guide, asking to turn on the ignition or start engine, connect the ELM327 to car, open search device screen (wifi or bluetooth, marking with a sign those ones who can be an available adapter, when connect, select the current car, then show connected)
• Side Menu with some options
  1. Show Information about car - With edit options
     1. Name
     2. Brand
     3. Model
     4. Year
     5. Engine (type, fuel type, displacement)
     6. Protocol
     7. VIN
  2. Add Car
     1. Manufacturer (Loading a list with brands)
     2. Model
     3. Year
     4. Engine
     5. Displacement
     6. Fuel type
     7. Volumetric Efficiency
     8. Description
• Widget View

Cons

Only visualization (one sensor at once)

OBD Arny

Pros

Nice interface in some aspects

Cons

Only 3 parameters to check in real time (Paid - 10 parameters)

MotorData OBD

Pros

Large range of commands

PID	Command Name	Unit
01	Number of DTC
02	Trouble Code
03	Fuel System status
04	Calculated engine load value	%
05	Engine coolant temperature	ºC
06	Short term fuel % trim - Bank 1	%
07	Long term fuel % trim - Bank 1	%
08	Short term fuel % trim - Bank 2	%
09	Long term fuel % trim - Bank 2	%
0A	Fuel Pressure	kPa
0B	Intake manifold absolute pressure	kPa
0C	Engine RPM	rpm
0D	Vehicle Speed	km/h
0E	Timing Advance	º
0F	Intake air temperature	ºC
10	MAF air flow rate	g/sec
11	Throttle position	%
14	Bank 1, Sensor 1: Oxygen sensor voltage	V
14	Bank 1, Sensor 1: Short term fuel trim	%
15	Bank 1, Sensor 2: Oxygen sensor voltage	V
15	Bank 1, Sensor 2: Short term fuel trim	%
16	Bank 1, Sensor 3: Oxygen sensor voltage	V
16	Bank 1, Sensor 3: Short term fuel trim	%
17	Bank 1, Sensor 4: Oxygen sensor voltage	V
17	Bank 1, Sensor 4: Short term fuel trim	%
18	Bank 2, Sensor 1: Oxygen sensor voltage	V
18	Bank 2, Sensor 1: Short term fuel trim	%
19	Bank 2, Sensor 2: Oxygen sensor voltage	V
19	Bank 2, Sensor 2: Short term fuel trim	%
1A	Bank 2, Sensor 3: Oxygen sensor voltage	V
1A	Bank 2, Sensor 3: Short term fuel trim	%
1B	Bank 2, Sensor 4: Oxygen sensor voltage	V
1B	Bank 2, Sensor 4: Short term fuel trim	%
1C	OBD standards this vehicle conforms to
1D	Oxygen sensors present
1E	Auxiliary input status
1F	Run time since engine start	sec
21	Distance traveled with MIL on	km
22	Fuel Rail Pressure (relative to manifold vacuum)	kPa
23	Fuel Rail Pressure (diesel)	kPa
24	O2S1_WR_lambda(1): Equivalence Ratio
24	O2S1_WR_lambda(1): Voltage	V
25	O2S2_WR_lambda(1): Equivalence Ratio
25	O2S2_WR_lambda(1): Voltage	V
26	O2S3_WR_lambda(1): Equivalence Ratio
26	O2S3_WR_lambda(1): Voltage	V
27	O2S4_WR_lambda(1): Equivalence Ratio
27	O2S4_WR_lambda(1): Voltage	V
28	O2S5_WR_lambda(1): Equivalence Ratio
28	O2S5_WR_lambda(1): Voltage	V
29	O2S6_WR_lambda(1): Equivalence Ratio
29	O2S6_WR_lambda(1): Voltage	V
2A	O2S7_WR_lambda(1): Equivalence Ratio
2A	O2S7_WR_lambda(1): Voltage	V
2B	O2S8_WR_lambda(1): Equivalence Ratio
2B	O2S8_WR_lambda(1): Voltage	V
2C	Commanded EGR	%
2D	EGR Error	%
2E	Commanded evaporative purge	%
2F	Fuel Level Input	%
30	# of warm-ups since CC cleared
31	Distance traveled since codes cleared	km
32	Evaporative System Vapor Pressure	Pa
33	Barometric Pressure	kPa
34	O2S1_WR_lambda(1): Equivalence Ratio
34	O2S1_WR_lambda(1): Current	mA
35	O2S2_WR_lambda(1): Equivalence Ratio
35	O2S2_WR_lambda(1): Current	mA
36	O2S3_WR_lambda(1): Equivalence Ratio
36	O2S3_WR_lambda(1): Current	mA
37	O2S4_WR_lambda(1): Equivalence Ratio
37	O2S4_WR_lambda(1): Current	mA
38	O2S5_WR_lambda(1): Equivalence Ratio
38	O2S5_WR_lambda(1): Current	mA
39	O2S6_WR_lambda(1): Equivalence Ratio
39	O2S6_WR_lambda(1): Current	mA
3A	O2S7_WR_lambda(1): Equivalence Ratio
3A	O2S7_WR_lambda(1): Current	mA
3B	O2S8_WR_lambda(1): Equivalence Ratio
3B	O2S8_WR_lambda(1): Current	mA
3C	Catalyst Temperature Bank 1, Sensor 1	ºC
3D	Catalyst Temperature Bank 2, Sensor 1	ºC
3E	Catalyst Temperature Bank 1, Sensor 2	ºC
3F	Catalyst Temperature Bank 2, Sensor 2	ºC
41	Monitor status this drive cycle
42	Control Module Voltage	V
43	Absolute Load Value	%
44	Command Equivalence ratio
45	Relative throttle position	%
46	Ambient Air temperature	ºC
47	Absolute Throttle Position B	%
48	Absolute Throttle Position C	%
49	Accelerator Pedal Position D	%
4A	Accelerator Pedal Position E	%
4B	Accelerator Pedal Position F	%
4C	Commanded Throttle Actuator	%
4D	Time run with MIL on	min
4E	Time since trouble codes cleared	min
4F	Maximum value for equivalence ratio
4F	Maximum value for equivalence oxygen sensor voltage	V
4F	Maximum value for equivalence oxygen sensor current	mA
4F	Maximum value for equivalence intake manifold pressure	kPa
50	Maximum value for air flow rate from mass air flow sensor	g/sec
51	Fuel Type
52	Ethanol fuel %	%
53	Absolute Evap system vapor pressure	kPa
54	Evap system vapor pressure	kPa
55	Short term secondary oxygen sensor trim bank 1	%
55	Short term secondary oxygen sensor trim bank 3	%
56	Long term secondary oxygen sensor trim bank 1	%
56	Long term secondary oxygen sensor trim bank 3	%
57	Short term secondary oxygen sensor trim bank 2	%
57	Short term secondary oxygen sensor trim bank 4	%
58	Long term secondary oxygen sensor trim bank 2	%
58	Long term secondary oxygen sensor trim bank 4	%
59	Fuel rail pressure (absolute)	kPa
5A	Relative accelerator pedal position	%
5B	Hybrid battery pack remaining life	%
5C	Engine oil temperature	ºC
5D	Fuel injection timing	º
5E	Engine Fuel Rate	l/h
5F	Emission requirements to which vehicle is designed
61	Driver's demand engine percent torque	%
62	Actual engine - percent torque	%
63	Engine reference torque	Nm
64	Engine percent torque data (Idle)	%
64	Engine percent torque data (Engine Point 1)	%
64	Engine percent torque data (Engine Point 2)	%
64	Engine percent torque data (Engine Point 3)	%
64	Engine percent torque data (Engine Point 4)	%

Cons

Don't allow to send or store data

Car Scanner