 
DIAGNOSTICS:
READING CODES, PC INTERFACE, AND TROUBLESHOOTING.
To read the trouble
codes:
Turn ignition ON
Put the code retrevial plug in jack on the diagnostic module
Codes will be displayed by the blinking of the LED.
Codes are 2 digits. Blinks spaced by .5 second are a digit. 1.5 sec.
second space is betwen digits. 2.5 sec second spaces is between codes.
each code is repeated 3 times.
Click to see sample codes
Code descriptions:
| CODE |
Description
|
| 12 |
Start of codes |
| 13 |
Oxygen sensor |
| 14 |
Coolant tempsensor high |
| 15 |
Coolant tempsensor low |
| 21 |
Throttle Position Sensor
high |
| 22 |
Throttle Position Sensor
low |
| 24 |
Vehicle Speed Sensor |
| 33 |
Manifold Air Presure (map)
high |
| 34 |
Manifold Air Presure (map)
high |
| 35 |
Idle Air Control |
| 44 |
Oxygen sensor lean |
| 45 |
Oxygen sensor rich |
| 51 |
PROM error |
| 54 |
Fuel pump relay |
| 42 |
EST (electronic spark
timing) (not used on fuel only systems) |
Computer interface
To use your laptop or PC to
access the ECU,Download
WINALDL here and install. Then simply plug a serial cable
into the diagnostic module, and your computer.
|
