Where can I get the ECU codes for a 1995 456Gt?
The service manual states: Self-Diagnosis Using button 3 near the control unit (US version only) the operator can receive information about the type of malfunction which as occurred, following the procedure listed below: * Turn the ignition key to run * Press the button near the control unit for 3 seconds After a pause of 0.5 sec the first information block is displayed via a series of short flashes 0.5 sec ON and 0.5 sec OFF. The number of flashes must be noted and respresents the first of the 4 numbers in the error code. At the end of the first block of information there will be a 2.5 sec pause (light off) followed by the second block and the third, etc. Each flash code starts with the sequence On, Off and finishes with a 2.5 second pause. Press the button again for 3 seconds to move on to a subsequent error. At the end of the display of the last error a series of 2.5 second flashes occur to indicate that all errors have been displayed. Pressing the button for more than 10 seconds will erase the error memory. Error codes: 1111 Hot wire air flow meter 1112 Engine coolant temp sensor 1113 Throttle potentiometer 1114 Lambda sensor 1121 RPM Sensor 1122 Battery voltage 1123 Secondary air solenoid valve relay 1124 Purge valve 1211 Lambda regulation 1212 Additive value for self-adaptation Lambda regulation 1311 Short loop on idle regulator 1312 Open loop on idle regulator 1313 Electronic control unit (ECU) 1411 Injection valve number 1/12 1412 Injection valve number 6/7 1413 Injection valve number 5/8 1414 Injection valve number 3/10 1415 Injection valve number 2/11 1416 Injection valve number 4/9 1444 M.I.L 2123 Secondary air solenoid valve 4111 Relay oil/water cooling fan 4112 Stroke sensor 4113 Power module not used 4114 TDC control unit recognition 4121 Cat temperature too high 4122 Cat temperature ECU 4123 Speedometer signal (don't know why 2 have code 4123, suspect error) 4123 Slow Down Lamp (don't know why 2 have code 4123, suspect error) 4131 Compressor connection signal 4444 No error detected
