T O P I C R E V I E W
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COBRA302MAN
Member # 6658
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posted
can somebody tell me where the plugs are to the computer. i mean so i can put a code reader thanks for the help
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Blind
Member # 3052
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posted
Checking codes is perhaps the most important step in diagnosing problems with your 5.0. It is free, easy, and effective.
Materials Needed -a paperclip or a piece of wire approximately 3-10 inches -pen and paper
To get accurate results it is important that the car is fully warmed up
Step One -Find the self-test connectors. They are located behind the driver side strut tower if your Mustang is a 1986-1993, and behind the passenger side strut tower if your Mustang is a '94-'95.
1986 - 1993 Mustangs VIP Connector Location
1994 - 1995 Mustangs VIP Connector Location
-Connect the Self-Test Input (the single wire connector) to the SigRTN (the top right "window" of the house-shaped connector) using the paperclip or the wire.
Step Two -Now that the connection is made, grab your pen and paper and sit in the driver seat. -Turn the key to the on position, but do not start the car. This will initiate the "Key On Engine Off" or KOEO Test. -Keeping an eye on the Check Engine Light (CEL) you will notice a quick and brief series of flashes. These are not usuable for these tests. -Next the CEL will flash slower codes. These codes are the ones we want, so its time to start counting them. The spacing of the flashes determines the number, for example: a code 67 would be shown as 6 flashes in a row, then a small pause, followed by 7 more flashes. Between codes is a longer pause. Each code will be repeated twice. -When the KOEO codes stop, you'll notice a much longer pause and then a seperator pulse (a single "solid" flash). -Now the Continuous Memory (CM) codes will flash. These codes are output essentially the same way as the KOEO codes.
Step Three -after the CM codes are finished, turn the key to off for about 10 seconds, but leave the Self-Test connection hooked up. -Now you will want to start the car. The idle will raise substantially and the CEL will flash four times in a row (indicating that you have eight cylinders) -this will be followed by the Key On Engine Running (KOER) codes that are output like the previous tests.
Step Four - If failure codes were retrieved from any of the self-tests, register at my5oh.com, access our Codes Description and Codes Troubleshooting Database, and lets fix your Mustang ....we'll help you with any question or interpretation of the results......
- Start by Checking your codes here: http://www.my5oh.com/forum/viewtopic.php?t=197
Optional Testing Cylinder Balance Test -Immediately after all KOER codes have been output, a quick WOT rev will initiate the cylinder balance test. -The codes shown are of a slightly different format, that is, they are multiples of ten. 10, 20, 30, 40, etc. for example 9 flashes would equal 90.
EEC-IV Self-Test Codes
O—Key On, Engine Off code. CM—Continuous Memory code. R—Engine Running code.
2-Digit Codes
11 - System Pass (O,CM,R) 12 - RPM Not Within Self Test Lower Limit (R), DC Motor Did Not Move (O,CM,R), Idle Speed Control motor or Air Bypass not controlling idle properly -generally idle too low 13 - RPM Not Within Self Test Upper Limit (R), Idle Speed Control motor or Air Bypass not controlling idle properly -generally idle too high 14 - Profile Ignition Pickup Circuit Failure (CM) 15 - Readout Memory Test Failed (O), Keep Alive Memory Test Failed (CM) 16 - RPM Too Low To Perform o2 Sensor Test (R) 17 - RPM below Self-Test limit with Idle Air Control off (R) 18 - Spark Out (SPOUT) Circuit Open (R), Loss Of Ignition Diagnostic Module Input To PCM/SPOUT Circuit Grounded (CM) 19 - Failure In PCM Internal Voltage (R), Erratic RPM During Hard Idle Self Test (R), Failure in EEC reference voltage (O) 21 - Engine Coolant Temperature (ECT) Sensor Out Of Self Test Range. 0.3 to 3.7 volts(O,R) 22 - Manifold Absolute Pressure/Barometric Pressure Sensor Out Of Self Test Range (O,CM,R) 23 - Throttle Position Sensor Out Of Self Test Range (O,CM,R) 24 - Intake Air Temperature/Air Charge Temperature Sensor Out Of Self Test Range. 0.3 to 3.7 volts(O,R) 25 - Knock Not Sensed During Dynamic Response Test (R) 26 - Mass Air Flow Sensor was greater than 0.7 volts with engine off (O), MAF sensor was not between 0.2 and 1.5 volts with engine running (R). 28 - Loss Of Ignition Diagnostic Module RH Side (CM) 29 - Insufficient Input From Vehicle Speed Sensor -To 1992 (CM), Insufficient Input From Programmable Speedometer/Odometer Module -From 1993 (CM) 31 - EGR Valve Position/Pressure Feedback EGR Circuit Below Minimum Voltage. 0.24 volts (O,CM,R) 32 - EGR Valve Position/Pressure Feedback EGR Voltage Below Closed Voltage. 0.24 volts (O,CM,R) 33 - EGR Valve Opening Not Detected (CM,R) 34 - EGR Valve Position/Pressure Feedback EGR Voltage Above Closed Limit (O,R), PFE or EVP circuit has intermittently failed above the closed limit of 0.67 volts (CM) 35 - EGR Valve Position/EGR Pressure Feedback EGR Circuit Above Maximum Voltage of 4.81 volts (O,R), PFE or EVP circuit has intermittently failed above the maximum limit of 4.81 volts (CM) 36 - System Indicates Lean At Idle (R) 37 - System Indicates Rich At Idle (R) 39 - AXOD converter bypass clutch not applying properly (CM) 41 - System Indicates Lean -passenger side(R), No o2 Sensor Switching Detected. always lean -passenger side(CM) 42 - System Indicates Rich -passenger side(R), No o2 Sensor Switching Detected. always rich -passenger side(CM) 43 - o2 Sensors indicate lean at Full Throttle (CM) 44 - Secondary Air System Inoperative. bank one, passenger side (R) 45 - Secondary Air Upstream During Self Test (R) 46 - Secondary Air Not Bypassed During Self Test (R) 47 - Measured Air Flow Low At Base Idle (R) 48 - Measured air flow too high at base idle (R) 49 - 1–2 Shift Error (CM) 51 - Engine Coolant Temperature Circuit Open (CM,O) 52 - Power Steering Pressure Switch Circuit Open (O), Power Steering Pressure Switch Circuit Did Not Change States (R) 53 - Throttle Position Sensor Circuit Above Maximum Voltage (CM,O) 54 - Intake Air Temperature/Air Charge Temperature Circuit Open (CM,O,R) 55 - Key Power Check (R) 56 - Mass Air Flow/Vane Air Flow Sensor Circuit Above Maximum Voltage (O,CM,R), MAF Sensor short to power (CM,R), Transmission Fluid Temperature Circuit Open (CM,O) 57 - AXOD Neutral pressure switch circuit failed open (CM) 58 - Idle Tracking Switch Circuit Open Or Grounded -CFI (O,R), Vane Air Temperature Sensor Input Greater Than Self Test Maximum -EFI (CM,O) 59 - 2–3 Shift Error (CM), AXOD 4/3 Pressure Switch Circuit Failed Closed (O), AXOD 4/3 Pressure Switch Circuit Failed Open (C) 61 - ECT Sensor Circuit Grounded (O,CM,R) 62 - Torque Converter Clutch Error (C,M), AXOD 4/3 Or 3/2 Pressure Switch Circuit Grounded (O) 63 - Throttle Position Sensor Circuit Below Minimum Voltage (O,CM,R) 64 - Intake Air Temperature/Air Charge Temperature Circuit Grounded (O,CM,R) 65 - Transmission Control Switch/Overdrive Cancel Switch Circuit Did Not Change States (R) 66 - , MAF signal below minimum test voltage of .4vdc (O,CM,R), Transmission Fluid Temperature Circuit Grounded (CM,O) 67 - Park Neutral Position Switch Circuit Open; A/C On -Manual (O), Manual Lever Position Sensor Out Of Range/A/C On (CM,O), Clutch Switch Circuit Failure (CM) 68 - Transmission recently overheated, or TOT sensor intermittently failed below 0.2 volts (CM) 69 - 3–4 Shift Error (CM) 71 - Software re-initialization detected or Cluster Control Assembly circuit failed (CM) 72 - Insufficient Manifold Absolute Pressure/Mass Air Flow Change During Dynamic Response Test (R) 73 - Insufficient Throttle Position Change During Dynamic Response Test (O,R) 74 - Brake On/Off Circuit Open–Not During Self Test (CM,R) 75 - Brake On/Off Circuit Closed/ECA Input Open (R) 76 - Insufficient Vane Air Flow Sensor Output Change During Dynamic Response Test (R) 77 - Operator Error Dynamic Response Test (R) 78 - Re-Initalization Check (R) 79 - A/C On/Defrost On During Self Test (O) 81 - Secondary Air Diverter Circuit Failure (O) 82 - Secondary Air Bypass Circuit Failure (O) 83 - EGR Control solenoid circuit failure (O) 84 - EGR Vacuum Regulator (EVR) Control Circuit Failure (O) 85 - CANP Circuit Failure (O) 86 - Adaptive fuel limit reached (CM), 3 – 4 Shift solenoid circuit failure (O) 87 - Primary Fuel Pump Circuit Failure (CM,O) 88 - Loss Of Dual Plug Input Control (CM), Throttle Kicker Fault (?) 89 - Converter clutch solenoid circuit failure (CM) 91 - o2 Sensor Circuit Indicates Lean -driver side(R), No o2 Sensor Switching Detected. always lean -driver side(CM), Shift Solenoid 1 Circuit Failure (O) 92 - o2 Sensor Circuit Indicates Rich -driver side(R), No o2 Sensor Switching Detected. always rich -driver side(CM), Shift Solenoid 2 Circuit Failure (O) 93 - Converter Clutch Solenoid Circuit Failure (O) 94 - Secondary Air Injection Inoperative. bank two, driver side (R), Torque Converter Clutch Solenoid Circuit Failure (O) 95 - Fuel Pump Circuit Open-PCM To Motor Ground (CM,O) 96 - Fuel Pump Circuit Open-Battery To PCM (CM,O) 97 - Transmission Control Indicator Lamp Circuit Failure (O) 98 - Hard Fault Present (R) 99 - Electronic Pressure Control Circuit Failure (CM,O)
Cylinder Balance Test Codes 10 - Cylinder #1 Failed Cylinder Balance Test 20 - Cylinder #2 Failed Cylinder Balance Test 30 - Cylinder #3 Failed Cylinder Balance Test 40 - Cylinder #4 Failed Cylinder Balance Test 50 - Cylinder #5 Failed Cylinder Balance Test 60 - Cylinder #6 Failed Cylinder Balance Test 70 - Cylinder #7 Failed Cylinder Balance Test 80 - Cylinder #8 Failed Cylinder Balance Test 90 - All cylinders passed Cylinder Balance Test
3-Digit Codes
O—Key On, Engine Off code. CM—Continuous Memory code. R—Engine Running code.
111 - System Pass 112 - ACT Sensor Circuit Below Minimum Voltage of 0.2 volts (O), ACT circuit has intermittently failed below minimum 0.2 volts (CM) 113 - ACT Sensor Circuit Above Maximum Voltage of 4.6 volts (O), ACT circuit has intermittently failed above the maximum of 4.6 volts (CM) 114 - ACT out of self test range 0.3 to 3.7 volts 116 - ECT out of self test range 0.3 to 3.7 volts 117 - ECT Sensor Circuit Below Minimum Voltage of 0.2 volts(O), ECT circuit has intermittently failed below minimum 0.2 volts (CM) 118 - ECT Sensor Circuit Above Maximum Voltage of 4.6 volts (O), ECT sensor circuit has intermittently failed above the maximum of 4.6 volts (CM) 121 - Closed throttle TPS voltage higher or lower than expected (O,R), TP sensor was inconsistent with the MAF/MAP value in the last 80 drive cycles (CM) 122 - TPS circuit below minimum 0.6 volts (O), TPS circuit has intermittently failed below minimum 0.6 volts (CM) 123 - TP circuit above maximum 4.5 volts (O), TPS circuit has intermittently failed above maximum 4.5 volts (CM) 124 - TP sensor was higher than expected with the MAF/MAP value in the last 80 drive cycles (CM) 125 - TP sensor was lower than expected with the MAF/MAP value in the last 80 drive cycles (CM) 126 - MAP/BP sensor out of self test range 1.4 to 1.6 volts 128 - MAP sensor vacuum was not greater than 2 in-Hg (7 kPa) during normal vehicle operation 129 - Insufficient MAF/MAP change during Dynamic Response Test 136 - o2 Sensor circuit indicates system lean (left side) 137 - o2 Sensor circuit indicates system rich (left side) 139 - No HEGO sensor switching detected or disconnected (left side) 141 - o2 Sensor circuit indicates system lean (both sides) 144 - No o2 Sensor switching detected or disconnected (right side) 157 - MAF sensor went below 0.4 volts during the last 80 warm-up cycles 158 - MAF sensor went above 4.5 volts during the last 80 warm-up cycles 159 - MAF signal was greater than 0.70 volt during KOEO (O), MAF signal was not between 0.20 and 1.50 volts during KOER (R) 167 - TPS did not exceed 25% rotation during the Dynamic Response Test 171 - Fuel system at adaptive limit, o2 Sensor unable to switch (right side) 172 - o2 Sensor sensor circuit indicates system lean (right side) 173 - o2 Sensor sensor circuit indicates system rich (right side) 174 - o2 Sensor switching time is slow 175 - Fuel system at adaptive limit, o2 Sensor unable to switch(left side, (Bank No. 2)) 176 - o2 Sensor circuit indicates system lean (left side) 177 - o2 Sensor circuit indicates system rich (left side) 178 - o2 Sensor switching time is slow (Bank No. 1) 179 - Right side still rich, at leanest adaptive limit, during part throttle 181 - Right side still lean, at richest adaptive limit, during part throttle 182 - Right side still rich, at leanest adaptive limit, at idle 183 - Right side still lean, at richest adaptive limit, at idle 184 - MAF higher than expected 185 - MAF lower than expected 186 - Injector pulse width longer than expected 187 - Injector pulse width shorter than expected 188 - Left side still rich, at leanest adaptive limit, during part throttle 189 - Left side still lean, at richest adaptive limit, during part throttle 191 - Left side still rich, at leanest adaptive limit, at idle 192 - Left side still lean, at richest adaptive limit, at idle 193 - Flexible Fuel sensor circuit failure 194 - Run cylinder balance diagnostic test 195 - Run cylinder balance diagnostic test 211 - Two or more successive erratic Profile Ignition Pickup (PIP) pulses occurred, resulting in a possible engine miss or stall 212 - Loss of IDM (Ignition Diagnostic Monitor) input to EEC or SPOUT circuit grounded 213 - SPOUT circuit open 214 - Cylinder Identification (CID) circuit failure 215 - EEC detected coil 1 primary circuit failure 216 - EEC detected coil 2 primary circuit failure 217 - EEC detected coil 3 primary circuit failure 218 - Loss of IDM (Ignition Diagnostic Monitor) signal (left side) 219 - SPOUT failure, spark timing has defaulted to 10 degrees BTDC 222 - Loss of IDM (Ignition Diagnostic Monitor)signal (right side) 223 - Loss of Dual Plug Inhibit control 224 - Erratic IDM (Ignition Diagnostic Monitor)input to processor 225 - Knock Sensor (KS) signal not sensed during dynamic response test 226 - IDM (Ignition Diagnostic Monitor)signal not received 244 - Camshaft Position (CMP) Sensor failure 311 - Thermactor air system inoperative (right side) 312 - Thermactor air misdirected upstream during self test 313 - Thermactor air not bypassed during self test 314 - Thermactor air system inoperative (left side) 326 - PFE or DPFE circuit voltage lower than expected with zero EVR duty cycle 327 - DPFE or EVP circuit below minimum voltage of 0.2 volts 328 - EVP circuit below minimum voltage of 0.24 volts 332 - EGR valve opening not detected 334 - DPFE or EVP circuit above the closed limit of 0.67 volts 335 - PFE or DPFE sensor voltage out of Self-Test range 336 - EVP or DPFE circuit voltage above maximum voltage with zero EVR duty cycle 337 - DPFE or EVP circuit above the maximum limit of 4.81 volts 338 - ECT lower than expected 339 - ECT higher than expected 341 - Octane Adjust shorting bar is not in or the OCT ADJ circuit is open 381 - Frequent A/C compressor clutch (ACCS) cycling less than 8.5 seconds 411 - Cannot control rpm during KOER low RPM check 412 - Cannot control rpm during KOER high RPM check 452 - Computer detected an error in the VSS or PSOM signal during the last 80 warm-up cycles 461 - Engine over speed was detected 511 - EEC permanent Read Only Memory (ROM) test failed 512 - EEC battery powered Keep Alive Memory (KAM) test failed 513 - Failure in EEC processor internal voltage 519 - Power steering pressure switch circuit open 521 - Power steering pressure switch did not change state during KOER test 522 - Vehicle not in PARK or NEUTRAL during KOEO 524 - When the PCM commanded the fuel pump on, voltage was not detected on FPM 525 - Vehicle in gear or A/C on during Self-Test 526 - Neutral Pressure Switch closed or A/C on 527 - Neutral Drive Switch open or A/C on 528 - Clutch Switch Circuit failure 529 - Data Communications Link or Electronic Instrument Cluster circuit failure 532 - Data Communications Link or Electronic Instrument Cluster circuit failure 533 - Data Communications Link or Electronic Instrument Cluster circuit failure 536 - Brake On/Off circuit failure / switch not actuated during KOER test 538 - Insufficient RPM change during KOER dynamic response test/ Operator error 539 - A/C or Defroster ON during KOEO test 542 - Fuel pump circuit failure 543 - When the PCM commanded the fuel pump on, voltage was not detected on FPM 551 - Intake Manifold Runner Control (IMRC) circuit failure 552 - Air management 1 circuit failure (AM1/TAB) 553 - Air management 2 circuit failure (AM1/TAD) 554 - Fuel Pressure Regulator Control (FPRC) solenoid circuit failure 556 - Fuel Pump circuit failure 557 - Fuel pump relay coil resistance failure 558 - EGR Vacuum Regulator circuit failure 559 - Air Conditioning On relay circuit failure 563 - High Speed Electro-Drive Fan circuit failure 564 - Electro-Drive Fan circuit failure 565 - Canister purge circuit failure 566 - 3 – 4 Shift Solenoid failure 569 - Canister purge 2 circuit failure 571 - EGR Atmospheric Regulator circuit failure 572 - EGR Vacuum Regulator circuit failure 578 - A/C Pressure (ACP) sensor VREF circuit is short to ground 579 - A/C Pressure (ACP) sensor circuit is above maximum voltage 581 - When the cooling fan was activated, the circuit exceeded current draw 582 - Open or short to power in the power-to-cooling fan circuit 583 - When the fuel pump was activated, the power-to-pump circuit exceeded the normal current draw 584 - Variable Control Relay Module circuit grounded 585 - A/C clutch circuit exceeded the normal current draw 586 - A/C clutch circuit open or shorted to power 587 - Data Communications Link (DCL) error 593 - Oxygen Sensor Heater circuit failure 617 - 1 - 2 shift error (E4OD) 618 - 2 - 3 shift error (E4OD) 619 - 3 - 4 shift error (E4OD) 621 - Shift solenoid #1 circuit failure 622 - Shift solenoid #2 circuit failure 623 - Overdrive light circuit failure 624 - Electronic Pressure Control solenoid or driver circuit failure 625 - Electronic Pressure Control driver open in EEC 626 - Coast clutch solenoid circuit failure (E4OD) 627 - Converter clutch solenoid circuit failure (E4OD) 628 - Converter clutch Lock-Up error (E4OD) 629 - Converter clutch control circuit failure 631 - Overdrive light circuit failure 632 - Overdrive cancel switch not changing state (E4OD) 633 - 4WD switch is closed 634 - Transmission Manual Lever Position Sensor circuit out of self test 636 - TOT sensor voltage out of self test range 637 - TOT sensor circuit above maximum voltage 638 - TOT sensor circuit below minimum voltage 639 - Insufficient input from the Transmission Speed Sensor 641 - Shift solenoid #3 circuit failure 643 - Converter Clutch Control circuit failure 645 - Incorrect gear ratio obtained for first gear 646 - Incorrect gear ratio obtained for second gear 647 - Incorrect gear ratio obtained for third gear 648 - Incorrect gear ratio obtained for fourth gear 649 - Electronic Pressure Control range failure 651 - Electronic Pressure Control circuit failure 652 - Modulated Converter Clutch Control solenoid output circuit error 653 - Transmission Control Switch was not cycled during KOER Self-Test 654 - MLP sensor not in park position 656 - Converter Clutch Control continuous slip error detected 657 - Transmission over temperature condition occurred 659 - High vehicle speed detected while the vehicle was in PARK 667 - Transmission Manual Lever Position Sensor circuit shorted 668 - Transmission Manual Lever Position Sensor circuit open 675 - MLP circuit voltage was out of the expected range 691 - 4WD switch circuit failure 998 - Hard fault present
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BlowN67
Member # 4229
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posted
not thats a write up
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Blind
Member # 3052
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posted
quote: Originally posted by BlowN67: not thats a write up
pfft more like a copy/paste.
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Camaro Kid Z/28
Member # 3100
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posted
what about for the earlier fox's like an 84 with no MIL?
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nor*cal93ssp
Member # 3884
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posted
now thats a good tech talk topic/reply , not no "got sidewayz in the intersection and posi aint workin" type of ish!
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