engine light on after replacing spark plugs

[CodyjCA]

I replaced my brake pads and smark plugs on my 89 sr5 the other day and now my engine light is on, sometimes it doenst turn on and sometimes it turns on maybe 30 sec after i start the car, any ideas why?

[fredk]

pull the codes and lets figure it out

[CodyjCA]

sorry, in a newb, how exactly do u do that?

[fredk]

there is a diagnostic connecto up by the master cylinder for the brakes, look for a sticker nearby it to tell you witch 2 pins to jump to flash out the codes with the check engine lite

[CodyjCA]

awesome !! and were can i find out what the codes mean?

[fredk]

just get the codes, ill get the meanings

[BALIKBAYAN]

Hi,

I would guess it is something with the ABS-sensor at the brakes.

[CodyjCA]

i checked under my hood and found the diagnostics but the sticker didnt tell me what 2 pins to jump (or i just dont know how to read it)
http://home.graffiti.net/r3n0:graffiti.net/4.jpg
can anyone help me out?

[wrenchdad]

RETRIEVING CODES for vehicles before 96

NOTE: Not all trouble codes will activate MIL (CHECK ENGINE light)

• Before proceeding, make sure the:
  • CHECK ENGINE light circuit is functional. It should be ON when the ignition switch is ON with the engine stopped.
  • Battery voltage is above 11 volts.
  • Throttle valve is fully closed (Throttle Position Sensor IDL points closed).
  • Accessory switches (A/C, etc.) are OFF.
  • Engine is at normal operating temperature (if possible).
• Turn ignition switch to ON position.
  
  • Do not start the engine.
  • Place a jumper wire across TEl and El terminals in engine check connector.
• Count number of flashes from CHECK ENGINE light.
  
  • If system is operating normally (with no detected faults), the CHECK ENGINE light will blink continuously
    and evenly about 2 times a second.
• Otherwise, the light will blink a number of times equal to the trouble code as follows:
  
  • The light blinks only (.5 second ON, .5 second OFF) when indicating a number.
  • The light will be OFF for 1.5 seconds between the first digit and the second digit of the code.
  • If more than one code is stored, the light will be OFF for 2.5 seconds before the next code is displayed.
  • Once all code(s) have been displayed, the light will be OFF for 4.5 seconds and then the whole sequence will repeat.
• The diagnostic code series will continue to repeat as long as the check connecter terminals TEl and El are connected.
• When finished, remove the jumper wire.
• After repairing the malfunction, clear the codes from the ECUs memory.

Here are the words that I pulled off the net (www.batauto.com) and here are the codes, later WD


Trouble Codes

Without Onboard Diagnostics (OBD-I)

1Normal Condition.2Air Flow Meter signal. 3Ignition signal. 4Engine Coolant Temperature Sensor signal.5Oxygen Sensor. 6RPM signal (Crank Angle Pulse). 7Throttle Position Sensor signal. 8Intake Air Temperature Sensor signal. 9Vehicle Speed Sensor signal. 10Starter signal. 11Switch signal. 11ECU/ECM. 12Knock Control Sensor signal. 12RPM signal. 13Knock Control CPU (ECM). 13RPM signal. 14Turbocharger Pressure. 14Ignition signal. 21Oxygen Sensor. 22Engine Coolant Temperature Sensor signal. 23Intake Air Temperature Sensor signal. 24Intake Air Temperature Sensor signal. 25Air-Fuel Ratio Lean. 26Air-Fuel Ratio Rich. 27Sub Oxygen Sensor signal. 28No. 2 Oxygen Sensor signal. 31Air Flow Meter signal (Vacuum Sensor signal). 32Air Flow Meter signal. 34Turbocharger Pressure signal. 35Turbocharger Pressure Sensor signal. 35HAC Sensor signal. 41Throttle Position Sensor signal. 42Vehicle Speed Sensor signal. 43Starter signal. 51Switch signal. 52Knock Sensor signal. 53Knock Sensor signal. 54Inter-cooler ECM signal. 71EGR System. 72Fuel Cut Solenoid signal. 78Fuel Pump Control signal. 81TCM Communication. 83

TCM Communication. 84TCM Communication. 85TCM Communication.

[CodyjCA]

wow thanks wrenchdad!!
i checked my diag and ther was no Te1
so i shorted TEM and E1, nothign happend, then i tried T and E1 and it worked, so it was
1=.5 0=.5 1=.5 0=1.5 1=.5 0=.5 1=.5 0=4.5
so if i did it right i belive thats
2-2

so whats does that mean? Engine coolant temperature sensor signal?
how would i be able to fix that problem
ps. my Fan just recently started turning on, even if i put my car in ON (engine not running) fan still going. thanks

[REN69]

Then the temp sensor is gone.. this sensor tells the fan to turn on when the motor is too hot. This sensor should be near the area where your thermostat goes, right on the coolant pipe.. it should have an electric plug going into it.

[CodyjCA]

are those hard to replace? how much would one of those cost me?
thanks!

[Raddman]

Originally Posted by CodyjCA

are those hard to replace? how much would one of those cost me?
thanks!

Hope this helps....Very easy to replace, just make sure your car isn't hot when doing the change and you probably will have to replace some coolant. If your car is the type that needs "BURPED" make sure you do so...good luck...Radd Guy...

http://www.partsamerica.com/SelectPa...ors&sourcepage

[Flashmn]

Well.. if the connection on the thermistor is lost the fan will be on all the time, might not be the sensor itself, just teh connection, try to wiggle the plug.

[CodyjCA]

thanks guys, would it be a bad idea to get one froma junk yard?