| Did you know that you can use your Palm or | | | | 3- |
| Pocket PC PDA to scan your car computer? | | | | 4 Chassis ground |
| Also, you need Open source software like OBDii | | | | 5 Signal ground |
| Gauge software package and they are free. OBDii | | | | 6 CAN high (ISO 15765-4 and SAE-J2234) |
| Gauge. Going to car dealer to remove your | | | | 7 K line of ISO 9141-2 and ISO 14230-4 |
| Check engine light on your car is an expensive | | | | 8- |
| solution. | | | | 9- |
| Carplugs ELMScan5 with serial port and OBD2 | | | | 10 Bus negative Line of SAE-J1850 |
| Gauge makes a great solution for car computer | | | | 11- |
| scanning. Here is some background on the OBD2 | | | | 12- |
| connector in your car: | | | | 13- |
| The OBD-II Diagnostic Connector The OBD-II | | | | 14 CAN low (ISO 15765-4 and SAE-J2234) |
| specification provides for a standardized hardware | | | | 15 L line of ISO 9141-2 and ISO 14230-4 |
| interface--the female 16-pin (2×8) J1962 | | | | 16 Battery voltage |
| connector. Unlike the OBD-I connector, which was | | | | The assignment of unspecified pins is left to the |
| sometimes found under the hood of the vehicle, | | | | vehicle manufacturer's discretion |
| the OBD-II connector is always located on the | | | | So in conclusion, you can use your old Palm PDA |
| driver's side of the passenger compartment near | | | | or Pocket PC to remove and diagnostic your car |
| the center console. SAE J1962 defines the pinout | | | | onboard computer. You need an interface, a cable |
| of the connector as: | | | | and also a PDA instead of a Laptop computer. I |
| 1- | | | | almost forgot about the software you need to |
| 2 Bus positive Line of SAE-J1850 | | | | read your onboard computer. It is that simple. |