Cycle the ignition key On/Off/On/Off/On within 5 seconds. Then Count the number of times the "check engine" lamp flashes on and off.
11 No crank reference signal detected during engine cranking. Intermittent loss of either camshaft or crankshaft position sensor. CKP sensor target windows have too much variation.
12 Direct battery input to PCM was disconnected within the last 50 Key-on cycles.
13 No difference recognized between the engine MAP reading and the barometric (atmosphere) pressure reading from start-up.
14 MAP sensor input above or below acceptable voltage. 5 volt output to MAP sensor open.
15 No vehicle speed sensor signal detected during road load conditions.
17 Engine did not reach operating temperature within acceptable limits. Engine does not reach 20º F. within 5 minutes with a vehicle speed signal.
21 Upstream oxygen sensor response slower than minimum required switching frequency. Upstream oxygen sensor heating element circuit malfunction. Downstream oxygen sensor heating element circuit malfunction. Downstream oxygen sensor input voltage maintained above the normal operating range. Oxygen sensor voltage too low, tested after cold start. (Upstream or Downstream) Left oxygen sensor input voltage maintained above the normal operating temperature.
22 Engine coolant temperature sensor above or below acceptable voltage.
23 Intake air temperature sensor input above or below acceptable voltage..
24 Throttle position sensor input above or below acceptable voltage. TPS signal does not correlate to MAP sensor.
25 A shorted or open condition detected in one or more of the idle air control motor circuits. Actual idle speed does not equal target idle speed.
27 Injector #3, and/or 4, and/or 5, and/or 6 output driver does not respond properly to the control signal.
31 An open or shorted condition detected in the A/C clutch relay circuit. Insufficient or excessive vapor flow detected during evaporative emission system operation.
32 An open or shorted condition detected in the EGR solenoid circuit. Possible air/fuel ratio imbalance not detected during diagnosis.
33 An open or shorted condition detected in the duty cycle purge solenoid circuit. (air conditioning clutch relay)
34 An open or shorted condition detected in the Speed Control vacuum or vent solenoid circuits. Speed control switch input below the minimum acceptable voltage.
35 Fan control relay
37 Relationship between engine speed and vehicle speed indicates no torque converter clutch engagement. Auto. only.
37 An open or shorted condition detected in the torque converter part throttle unlock solenoid control circuit. (3 speed auto RH trans. Only). Incorrect input state detected for the Park/Neutral switch. Auto. only.
41 An open or shorted condition in the generator field control circuit.
42 An open or shorted condition detected in the auto shutdown relay circuit. An open condition detected in the ASD relay output circuit. An open or shorted condition detected in the fuel pump relay control circuit. An open circuit between PCM and fuel gauge sending unit. Circuit shorted to voltage between PCM and fuel gauge sending unit. No movement of fuel level sender detected.
43 Peak primary circuit current not achieved with maximum dwell time.
43 Misfire detected in one or more cylinders 1 thru 6. (4 and 6 cyls.)
44 Battery temperature sensor in voltage above or below acceptable range.
45 Overdrive solenoid - open or shorted condition detected in overdrive solenoid circuit.
46 Battery voltage sense input above target charging voltage during engine operation. (voltage too high)
47 Battery voltage sense input below target charging during engine operation. Also, no significant change detected in battery voltage during active test of generator output circuit. (voltage too low)
51 A lean air/fuel mixture has been indicated by an abnormally rich correction factor. (O2 sensor)
52 A rich air/fuel mixture has been indicated by an abnormally rich correction factor. (O2 sensor)
53 PCM Internal fault condition detected.
54 No camshaft signal detected during engine cranking.
55 Completion of fault code display on Check Engine lamp.
62 Emissions Maintenance Reminder (EMR) triggered by mileage accumulator
63 Unsuccessful attempt to write to an EPROM location by the PCM..
64 Catalyst efficiency below required level. (Same as code 72)
65 Power steering high pressure seen at high speed. (2.5L only)
72 Catalyst efficiency below required level. (Same as code 64)
76 Fuel pump resistor bypass relay
77 Malfunction detected with poser feed to speed control servo solenoids.
Good for 93-96 I believe. I know on my 98 I have to use my diagnostic scanner to pull the codes.
Works on 97 too, 98 is a no go.Originally Posted by nate
I thought 97's and 98's were only OBDII and had to use the tool?
My 96 is OBDII and the code will read out on the odometer. Its pretty bling. As far as I know it will work on 97, I haven't heart anybody trying it on a 98.Originally Posted by Puma297
yea thats one of the things I hate about my 93'...you have to count the F'king lights flash...its sooo much easier to do on my friends 96'Originally Posted by TrojanMan
Mine does both. Bow down before me 8)Originally Posted by snarfer86
For sure the 98 you need a code reader. I wasn't 100% sure on the 97, but you guys say you don't need one... cool.
I got the Autotap... thing is kickass, though the Snappy Scanner would have been better, didn't have the coin for it though.
I had to rewire my rear o2 sensor due to my driveshaft ripping the wires apart. Should the check engine light turn off automatically?
I think I read somewhere that it takes 200 something times turning the key on and off to reset it. Is this true or is there an easy trick?
Also, if you did it right, the code will clear after 50 start cycles with the symptom not being present.
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