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When i switch on it comes on and then switches its self off

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2002 f150 cruise inop shows code 3?

  • 3 flashes - deactivator switch is open or circuit defective.
    • Flash code 3 - deactivator switch circuit failure
    • Central junction box (CJB) fuse 13 (20A).
    • Circuitry.
    • Deactivator switch.
    • Speed control servo.
    • Go To Pinpoint Test H .
    Speed Control Servo C122
    Measure the voltage between the speed control servo C122 pin 9, circuit 307 (BK/YE), harness side and the speed control servo C122 pin 10, circuit 57 (BK), harness side.
    • Is the voltage greater than 10 volts?
    Yes INSTALL a new speed control servo. REFER to Speed Control Servo in this section. REPEAT the self-test.

    Deactivator Switch C1025
    Measure the voltage between the deactivator switch C1025, circuit 10 (LG/RD), harness side and ground.
    • Is the voltage greater than 10 volts?
    Yes GO to H3 .

    No REPAIR the circuit. REPEAT the self-test. H3 CHECK CIRCUIT 307 (BK/YE) FOR AN OPEN Measure the resistance between the speed control servo C122 pin 9, circuit 307 (BK/YE), harness side and the deactivator switch C1025, circuit 307 (BK/YE), harness side.
    • Is the resistance less than 5 ohms?
    Yes INSTALL a new deactivator switch. REFER to Speed Control Deactivator Switch in this section. REPEAT the self-test.

    No REPAIR the circuit. REPEAT the self-test.

Nov 23, 2016 | 2002 Ford F-150

1 Answer

Fault finding

HONDA CIVIC 2001 - 2005

How to retrieve DTC:

The heater control panel has self-diagnosis function. To run the self-diagnosis function, do the following:
    1.Turn the blower fan OFF.
    2.Press and hold the recirculation control switch and the rear window defogger switch down.
    3.Turn the ignition switch ON (ll).
    4.Release both switches. The recirculation indicator and the rear window defogger indicators come on. The recirculation indicator goes off 3 seconds later and the A/C indicator comes on, then the self-diagnosis will begin. About 10 seconds later, the self-diagnosis will finish and the A/C indicator goes off.

    If any trouble is found, the recirculation indicator blinks the diagnostic trouble code (DTC) to indicate a faulty circuit or component.
    If the system is ok, the recirculation indicator stays off.

Aug 19, 2013 | Honda Civic Cars & Trucks

1 Answer

Inertia switch will not reset

Does the switch look burnt..The switch it self may be bad..Take the connector and unplug it ,,Take a short piece pf wire and put across the terminals and see if it will run..If it does replace the switch

Apr 28, 2012 | 2004 Ford F150

1 Answer

My a/c compressor isnt getting any power and i have jumped the pressure switch and still no power

You have a compressor relay open the relay and expose the switch this is now a tool (take out the cover of the relay) with cover out and switch exposed insert the relay back engine running A/C switch on the relay should close if and clutch should come on. If it doesnt collapse the switch it self if the clutch compressor comes on you problem reside in the control switch cansmo_103.gifcansmo_104.gif

Aug 28, 2011 | 2002 Chevrolet Silverado 1500

1 Answer

Cruise control comes on but the longer i drive' it will stop working then it might be a couple of trips before I can get it to set again. there seems to be a noise coming from under the hood .kind of like...

Pull the connector on the speed control deactivation switch, and test it for continuity with a meter.

With the brake pedal off, the switch should be closed, or show less than 100 ohms of resistance ( if you have good batteries in your meter, it should be much lower ).
Making sure not to let the meter probes fall off, try to move the brake pedal side to side, and see if the switch opens. It could be a faulty deactivation switch that allows the switch to open while you are driving.

When you hear the noise after this happens, are there any driving issues ( throttle drops off, truck shuts down, etc ) ?

Hoping the issue is with the deactivation switch. If you have to replace it, be careful not to press the switch, or press on the brake pedal when installing it.
The switch self adjusts, and if the switch moves while installing it, you will need another one ( only get one self adjustment out of a new switch ).

Jan 10, 2010 | 2004 Ford F150

1 Answer

Alarm goes off by its self, dome light comes on by its self

I read a service bulletin about door ajar light and power locks cycling while driving which i assume might actuate dome light as well.... rec. fix per service bulletin adjust "swing gate " striker

Good Luck

Apr 08, 2009 | 2006 Hummer H3

1 Answer

My hi beam head light gose on and off by it self.. every ones a wile the hi beam light will start coming on and off like i was flicking it my self

it is most likey the switch itself.that joint gets loose from using the turning some people put a matchbook cover behind the switch.whenever i ask why they do that. they always tell me to fix the problem you are having.they just stuff it in there.I personally think the switch should just be replaced.about 200.00 at your local shop.

Mar 11, 2009 | 1999 Ford Explorer

2 Answers

A/C won't work 03 Acura RSX

General Troubleshooting Information
How to Retrieve a DTC

The Climate Control Unit has a self-diagnosis function. To run the self-diagnosis function, do the following:
1. Turn the ignition switch OFF.
2. Tu rn the fan switch OFF, the temperature control dial to MaxCool (60.F or 18.C), and the mode control dial to Vent.
3, Turn the ignition switch ON (ll),then press and hold the recirculation control switch. Within lO seconds while holding the switch down, press the rear window defogger switch five times. The recirculation indicator blinks two times and the A/C indicator comes on, then the self-diagnosis will begin. About 15 seconds later, the self diagnosis will finish and the Ay'C indicator goes off. lf there is any problem in the system after finished self diagnosis, the recirculation indicator will blink the Diagnostic Trouble Code (DTC) 1 through 13. When problems in the evaporator temperature sensor circuit are detected (codes 14 and t5), the A/C indicator will blink the DTC. lf no DTCs are found. the indicator will not blink.
d35f123.jpg 695f305.jpg5d11822.jpg Resetting the Self-diagnosis Function
Turn the ignition switch OFF to cancel the self-diagnosis function. After completing repair work, run the self-diagnosis function again to make sure that there are no other malfunctions.
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Jan 13, 2009 | 2006 Acura RSX

1 Answer

Light dont come on when switch to on

it sounds like the headlight switch its self has went out.

Dec 20, 2008 | 1989 Volvo 240

1 Answer

Headlights come on when switched off

by it self?

if so
sounds right, probably the relay

Nov 27, 2008 | 1995 Toyota Celica

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