Question about 1992 Toyota Previa

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92 toyota previa battery discharges

MUST KEEP TURNING KEY IN IGNITION TO GET STARTER TO ENGAGE. WITH KEY OUT OF IGNITION MY HANDHELD VOLTMETER SHOWS A DISCHARGE. HEATER,WIPERS,RADIO ETC. WILL CONTINUE TO WORK EVEN WITH KEY OUT OF IGNITION !

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  • Anonymous Mar 25, 2014

    Heater fan continues to run after ignition key removed . Radio is off no problems

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  • 319 Answers

Bad ignition switch. replace and recheck

Posted on Feb 27, 2009

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92 previa multilpe electric problems no turn signals no power windows and more.....


sounds like a fuseable link somewhere make sure all your fuses aqre good after this it is on to the ohms meter got to find where you are loseing power

Mar 05, 2013 | 1992 Toyota Previa

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Engine electricals




3) Spark: From battery to spark plug

The battery is the source of stored electrical power in the vehicle. A voltmeter between the terminals of a healthy battery should read 12.5 volts. A reading of 12.2 volts indicates a flat battery and a reading of 10.4 volts indicates a dead cell (each cell beingabout 2 volts). A battery should be capable of sustaining high current, as needed by the starter motor when turning the engine over. When the car is running the voltage measured across the terminals shouldbe between 14.2 and 14.5 volts. The value is the voltage being supplied to the battery by the output charge from the alternator. THis charging voltage should not alter much when additional load is applied to the battery (head lights on etc).
When the ignition key is turned to the second position,often referred to as 'key on engine off', all car functions are powered up including lights and fuel pump. When the key is turned to position 3 many ancillary functions are temporarily interrupted to allow the battery to meet the extra needs of the starter motor. Electrical charge from the starter switch passes through a master fuse and starter relay before energizing the starter solenoid. The starter solenoid moves the pinion gear on the starter motor to engage with peripheral teeth of the flywheel. Simultaneously, heavy copper contacts are bridged by this same movement causing the starter motor coils to become energized thereby turning the engine over.
During the ignition process electrical charge passes through the primary windings of the ignition coil(s). The engine control unit (ECU), taking signalsfrom the engine crank position sensor, collapses the field of the coil(s) appropriate to the cylinder requiring ignition. As the field collapses the secondary coil windings discharge very high voltage through the high tension lead to the spark plug. The charge is so high that at the spark plug gap the charge jumps across with a spark. The compressed fuel air mixture in the cylinder is ignited by this spark.
Checking the spark process starts with the plugs. The condition of the removed plugs reveals a lot about the nature of the ignition within the cylinders. Dark sooty deposits indicate overly rich fuel air mix and glazed plugs indicate overly hot lean mixtures. Removing the plugs (with the fuel pump relay unplugged) and holding the screw threads to the cylinder head whilst turning the engine over will reveal the quality of spark. The spark holders and leads should be examined for discharge through the insulation to the cylinder head. Removing the leads from the coil should reveal sparks emanating from the exposed connectors. Failure to see sparks at this point indicatesa failed coil (especially if neighboring coils show good spark) or a failed crank sensor if all coils show no spark.
NEXT 1.1 MAF Mass Air Flow sensor

on Jul 15, 2011 | Mercedes-Benz E-Class Cars & Trucks

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Starter won't engage heat gauge goes across to hot when trying to start truck. What causes this?


Voltage drop? I'm guessing you don't have a voltmeter, so turn on the headlights and observe them as someone tries to start the truck. If the lights go out, bad connection at battery, starter, or ground. If the lights get dim, probably the starter-it's drawing power, just not working. If the lights don't change, check for power going to the starter solenoid on the small wire on the starter; voltmeter or test light, check if the small wire to the solenoid has power when key is held in start position-in crank position. There should be battery voltage there when the key is turned to crank. If so, the starter or solenoid is bad. If no power there to solenoid, power is lost somewhere between ignition switch and the starter wire.

Mar 05, 2013 | 1994 Chevrolet C1500

1 Answer

When I try to start my 95 Toyota Previa, it seems to have full battery power (dash lights, radio plays) until I get to the start position. There is one click and every thing goes dead. If I unhook the...


Have your battery tested to start the fact that the radio and lights work are not an indicator that the battery is good. if in fact battery is good and you hear a click and nothing else then make sure you got power at starter from ignition switch and power going to the actual starter motor while some one holds the key in the crank position. Do this safely. the starter should have power on the B+ terminalwhich comes directly from the battery. It also gets power when in the crank position to engage the solenoid in the Igniton terminal when engaged the power from B+ is tranfer to the the starter motor which in turn turns the engine if this isnt happening for you replace the starter

Sep 27, 2012 | 1995 Toyota Previa

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Toyota Previa gs will not start


Hi Ken, Is the vehicle cranking (the engine turning when the starter is engaged or does nothing at all happen. If its the latter, I believe you have a problem with the battery. Get a friend to help with an jump start (Positive to positive and negative to negative) and then crank and it should start. If the engine turns but fails to start, when the ignition is turned on, do you see the engine check light with all the other warning lights. If not open the hood and replace the ECU fuse nod then try again. If you see the light, let us know and we can go on from there. Regards John

Mar 31, 2012 | 1994 Toyota Previa

3 Answers

I have a 2000 toyota avalon ignition problems


Hello I have simular problem the ignition on is stuck in that position with the key turned off and out of the ignition switch.It feels like the key switch is spinning freely in the ignition. Do I need an ignition switch?

Nov 13, 2009 | 2000 Toyota Avalon

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Truck will not start getting power from battery but starter is not engaging no noise no nothing.


You should have two "wires" going to the starter. One (bigger cable) will have positive voltage all of the time. The other (smaller) will have positive voltage only while the key is turned to "start." If you have both of these, your starter is bad.

Oct 05, 2009 | 1991 Toyota Previa

1 Answer

Replace AC fan motor now car doesnt turn over right away.


You can try this to verify that the starter is good or bad.

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Starter Testing Starting System Voltage Drop Tests NOTE: The battery must be in good condition and fully charged prior to performing this test.
There are three area of the starter motor circuits that voltage drop test can be performed on. These include:
  • The starter feed circuit
  • The starter ground circuit
  • The starter solenoid.
Starter Feed Circuit
  1. Disable the fuel system by removing the fuel pump fuse or the fuel pump relay.
  2. Verify that the vehicle will not start.
  3. Connect the positive lead of a voltmeter to the positive terminal of the battery.
  4. Connect the negative lead of a voltmeter to the starter B+ terminal.
  5. Turn the ignition key to the START position and note the voltage displayed on the voltmeter.
    • Ideally, there should be no more than 0.1 volt drop for each connection displayed on the voltmeter. No voltage should be consumed by the vehicle wiring
      1. If the battery cable connects directly to the starter motor there should be no more than a 0.2 volt drop measured
      2. If the vehicle uses a starter solenoid between the battery and the starter motor terminal there should be no more than 0.4 volt displayed on the voltmeter
Starter Ground Circuit
  1. Disable the fuel system by removing the fuel pump fuse or the fuel pump relay.
  2. Verify that the vehicle will not start.
  3. Connect the positive lead of the voltmeter to the case of the starter motor.
  4. Connect the negative lead of the voltmeter to the negative terminal of the battery.
  5. Turn the ignition key to the START position and note the voltage displayed on the voltmeter.
    • Ideally, there should be no more than 0.1 volt drop for each connection displayed on the voltmeter. No voltage should be consumed by the vehicle wiring
      1. If the battery cable connects directly to the starter motor there should be no more than a 0.2 volt drop measured.
Starter Solenoid
  1. Disable the fuel system by removing the fuel pump fuse or the fuel pump relay.
  2. Verify that the vehicle will not start.
  3. Connect the positive lead of the voltmeter to the case starter B+ terminal.
  4. Connect the negative lead of the voltmeter to the lug (the starter M terminal) that connects the starter solenoid to the starter motor.
  5. Turn the ignition key to the START position and note the voltage displayed on the voltmeter.
    • Ideally, there should be no more than 0.2 volt drop across the starter solenoid displayed on the voltmeter.
In general, there should be no more than a 1.0 volt drop throughout the entire starter motor feed and ground circuit. Any voltage drops measured in either the feed or ground circuits after connections have been cleaned will require replacement of the affected battery cable. Typically, any voltage drops measured in the solenoid are repaired by replacing the starter motor.

I looked at all the steps for replacing the blower motor...they should not have messed with anything that would have affected the operation of the starter.

Apr 02, 2009 | 1999 Toyota Corolla

1 Answer

Toyota starter problrm


NEED TO REPLACE STARTER.

Mar 03, 2009 | 1996 Toyota T100

1 Answer

Toyota previa 1992 went through water and died on me


Try using some water displacing fluid....I use wd-40.spray the sparkpulg wires and any other ignition components you can find.
hope this helps!

Feb 08, 2009 | 1992 Toyota Previa

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