ELM327 Car Diagnostic Scanner

ELM327 OBD HH Car Diagnostic Scanner Functions:

Read diagnostic trouble codes, both generic and
manufacturer-specific, and display their meaning (over 3000 generic code
definitions in the database).

Clear trouble codes and turn off the MIL
("Check Engine" light)

Display current sensor data, including:

Engine RPM

Calculated Load Value

Coolant Temperature

Fuel System Status

Vehicle Speed

Short Term Fuel Trim

Long Term Fuel Trim

Intake Manifold Pressure

Timing Advance

Intake Air Temperature

Air Flow Rate

Absolute Throttle Position

Oxygen sensor voltages/associated short term fuel
trims

Fuel System status

Fuel Pressure

Supported protocols:

1. SAE J1850 PWM (41.6 kbaud) (Note: only supported
by 9 protocol version)

2. SAE J1850 VPW (10.4 kbaud) (Note: only supported
by 9 protocol version)

3、ISO
9141-2 (5 baud init, 10.4 kbaud)

4、ISO
14230-4 KWP (5 baud init, 10.4 kbaud)

5、ISO
14230-4 KWP (fast init, 10.4 kbaud)

6、ISO
15765-4 CAN (11 bit ID, 500 kbaud)

7、ISO
15765-4 CAN (29 bit ID, 500 kbaud)

8、ISO
15765-4 CAN (11 bit ID, 250 kbaud)

9、ISO 15765-4 CAN (29 bit ID, 250 kbaud）