OBD1 Codes "How to pull with code list" Ford
For vehicles made after 1996, retrieving the codes of the check engine light in your dash panel is simple. All you need to do is find your diagnostic connector located under the dash by the driver side. You can then hook up a scanner and the codes will be displayed for you. If you don't have any scanner like most drivers, you can bring your vehicle to any local automotive store and they will usually scan the codes FREE for you. However, for vehicles made on or before 1995, there is only one cheap way to get it: You do it yourself!
On board diagnostic (OBD) was designed on vehicles equipped with electronic fuel injection so you can generally retrieve the codes yourself. No need buying a scanner or running to any parts stores to check the engine light. This system is called obd1 and applies to most vehicles made before 1995 for domestics and 1993 on imports. Before you start the engine should be warmed up completely, in park with the air conditioner in the off position. A test light is used as the flash indicator that will identify the two digit code number. Once a grounded test light is connected to the data port connector turn the key to the "on" position without starting the engine. The test light will begin to flash on then off, count the flashes, when the flashing stops the first digit is complete, then the system will pause and the second digit will begin flashing. For example the test light flashes twice and then pauses and flashes six more times the code number is 26. If the system flashes eleven there are no codes to report. To clear system codes simply remove the negative battery cable for thirty seconds and reconnect. The data link connector is usually under the hood near the battery. https://www.truckforums.com/forum/pi...&pictureid=702 Below are the OBD DTC's for 1995-previous model year EFI-equipped Ford vehicles. 11 system pass 12 idle control fault 13 dc motor did not move 14 engine rpm signal fault or PIP circuit failure 15 eec processor or power to KAM interrupted 16 rpm to low to check oxygen sensor test or fuel control error 17 cfi fuel control system fault or rich/lean condition indicated 18 ignition diagnostic monitor (IDM) circuit failure 19 cylinder identification (CID) sensor input failure 21 engine coolant temperature (ECT) out of self-test range 22 manifold absolute pressure (MAP) sensor circuit out of range 23 throttle position sensor out of self-test range 24 air charge temperature (ACT) sensor out of self-test range 25 knock not sensed during dynamic response test 26 transmission fluid temperature out of self-test range 28 loss of primary tach, right side 29 insufficient input from vehicle speed sensor 31 egr position sensor below minimum voltage 32 egr position sensor below closed limit 33 throttle position sensor noisy/harsh on line 34 egr valve circuit out of self-test range 35 egr valve circuit above maximum voltage 38 idle track switch circuit open 39 axod torque converter or bypass clutch not applying properly 41 oxygen sensor circuit indicates system always lean 42 oxygen sensor circuit indicates system always rich 43 oxygen sensor out of self-test range 44 air injection control system failure 45 coil 1 primary circuit failure 46 coil primary circuit failure 47 4X4 switch is closed or oxygen sensor failure 48 coil primary circuit failure 49 electronic transmission shift error 51 engine coolant temperature sensor circuit open 52 power steering pressure switch circuit open 53 throttle position circuit above maximum voltage 54 air charge temperature circuit open 55 key power input to processor open circuit 56 mass air flow circuit above maximum voltage 57 axod circuit failure 58 idle tracking switch circuit fault 59 automatic transmission shift error 61 engine coolant temperature circuit grounded 62 converter clutch error 63 throttle position circuit below minimum voltage 64 air charge temperature circuit grounded 65 charging system over voltage 66 mass air flow sensor circuit below minimum voltage 67 neutral/drive switch circuit open 68 transmission fluid temperature over temperature transmission shift error 70 data circuit communication link circuit failure 71 message center circuit circuit failure 72 insufficient manifold absolute pressure (MAP) change during dynamic response test 73 insufficient throttle position (TPS) change during dynamic response test 74 brake on/off (BOO) circuit open 75 brake on/off (BOO) circuit closed 76 insufficient air flow output change during test 77 brief wide open throttle not sensed during test 78 power interrupt detected 79 a/c on/defrost on during self test 81 map has not changed normally 82 super charger bypass circuit failure 83 OIC-low speed fuel pump relay circuit failure 84 egr vacuum regulator (EVR) circuit failure 85 canister purge circuit failure 86 shift solenoid circuit failure 87 fuel pump circuit failure 88 electro drive fan circuit failure 89 transmission solenoid circuit failure 91 no oxygen sensor switching detected 92 shift solenoid circuit failure 93 throttle position sensor input low 94 torque converter clutch solenoid circuit failure 95 fuel pump secondary circuit failure 96 fuel pump secondary circuit failure 97 transmission indicator circuit failure 98 electronic pressure control circuit failure 99 eec has not learned to control idle |
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