Did you know that you can use your Palm or Pocket PC PDA to scan your car computer?

Also, you need Open source software like OBDii Gauge software package and they are free. OBDii Gauge. Going to car dealer to remove your Check engine light on your car is an expensive solution.

Carplugs ELMScan5 with serial port and OBD2 Gauge makes a great solution for car computer scanning. Here is some background on the OBD2 connector in your car:

The OBD-II Diagnostic Connector The OBD-II specification provides for a standardized hardware interface–the female 16-pin (2×8) J1962 connector. Unlike the OBD-I connector, which was sometimes found under the hood of the vehicle, the OBD-II connector is always located on the driver’s side of the passenger compartment near the center console. SAE J1962 defines the pinout of the connector as:

1-

2 Bus positive Line of SAE-J1850

3-

4 Chassis ground

5 Signal ground

6 CAN high (ISO 15765-4 and SAE-J2234)

7 K line of ISO 9141-2 and ISO 14230-4

8-

9-

10 Bus negative Line of SAE-J1850

11-

12-

13-

14 CAN low (ISO 15765-4 and SAE-J2234)

15 L line of ISO 9141-2 and ISO 14230-4

16 Battery voltage

The assignment of unspecified pins is left to the vehicle manufacturer’s discretion

So in conclusion, you can use your old Palm PDA or Pocket PC to remove and diagnostic your car onboard computer. You need an interface, a cable and also a PDA instead of a Laptop computer. I almost forgot about the software you need to read your onboard computer. It is that simple.