Hey I'm running an obd0 Pr4 ecu on an Ls in a 91 crx, its throwing one long flash, then 4 short, anyone know what it is? I've searched and can't find anything on it. Thanks -Ben

 

I know what it is....

 

http://geocities.com/chipman_13/ecu.html#CAS

check out this web site it has everything u need to know about the codes and trouble shooting it.... good luck..




Code 0______Faulty ECU
Code 1______Oxygen content
Code 2______Does not appear to exist
Code 3______MAP sensor
Code 4______Crank angle sensor
Code 5______MAP sensor again
Code 6______Coolant temperature
Code 7______Throttle angle
Code 8______Top dead center sensor
Code 9______No. 1 cylinder position(only on 1.6L)
Code 10_____Intake air temperature
Code 11_____Does not appear to exist
Code 12_____Exhaust gas recirculation system
Code 13_____Atmosphric Pressure
Code 14_____Electronic air control (EACV)
Code 15_____Ignition output signal
Code 16_____Fuel injector
Code 17_____Vehicle speed sensor
Code 18_____Does not appear to exist
Code 19_____Lock up control solenoid (auto trans only)
Code 20_____Electric load