Question about 1997 Honda Civic

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Headlights flash when i start my car the headlights flash and they dont stop even when the car warms up. i put it on a scan and got a high voltage code, but nobody knows what to do to fix it

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  • csorenson001 Feb 23, 2009

    there is no smell and the alternater and the battery is new. when it is cold outside the car sometimes doesnt start

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I am surprised no one knows what to do. Take it to Auto Zone and they will run a free test and be able to tell you what it is. You possibly could have a problem with the voltage regulator or alternator. Do you have a smell like when you run the fan or heater that is unusual? There are some other possiblilities, but I need to knowif there is a smell present when the fan is on. I am assuming you are getting a good start when starting the car. I think without looking at it, that it won't be difficult to fix or expensive either.

Posted on Feb 22, 2009

  • Bill Dickerson
    Bill Dickerson Feb 24, 2009

    I talked with another mechanic friend and he and I said there may be a problem in the relay which is under the hood. You can google "1997 Honda Civic flashing lights". Sometimes you can get some interesting findings on there. Do you blow any fuses while this is going on? Last resort is to call Honda and tell them.

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I HAVE FAULT CODES P0563 AND P0700.DRIVING HOME AND HEADLIGHTS BECAME BRIGHT AND CHECK ENGINE CAME ON.TRANSMISSION SLUGISH FROM STOP TO START


P0563 reffers to the vehicles system voltage being high. Thus the headlights getting brighter. Usually caused by a defective voltage regulator built into the alternator. Replacing the alternator is the most common repair. P0700 is a transmission fault code set when something in the transmission control system is at fault. In your case, most likely the control module for the transmission also detected high voltage and put the transmission in limp mode causing the shifting issues you are experiencing. Have the charging system tested and repaired as necessary and the codes rest and the vehicle should go back to normal

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1 Answer

Imrc


read that page in the FSM. on P2006,
and do what it says.
same answer for all cars,
it tell you what tests to do to find the cause.
try alldata.com , log in and read what it says;.

the PCM can set that for 2 reasons.
1: the IRMC is bad.
2: the vacuum reading on the engine or so out of wack. this test lies.

this might be under the 8year, smog warranty, did you check?
what it does is , give better low end torque. so, its no show stopper.
in a real jeep shop, the attach their scan tool and tell it to cycle the
IMRC solenoid, and if it moves, then it must be some other cause.
if it dont move, they fix that. (wires bad, or solenoid)

one thing people dont understand is that most cheap scan tools
(like used in most autozoned) do not let you see all OBD2 DTC codes
there are many, codes, it seems yours is scanning right.
P2. is a factory only code.
so got other codes thrown?
or other symptoms, like bogging or misfire, or??????

also nobody can tell you what you can do.
we dont know your skills or tools ? or many other facts.
this code means the feed back signal says it didnt move, or did not move fully.
that is why not having factory tool makes this hard.
check connections, test the MFV. by hand. test the solenoid by hand.
if all these check out, then we scan the system looking for all other sensors reading funny.

here is the FSM page .

Intake Manifold Runner Control Stuck Closed
Number of Trips to Set Code: 1
Trouble Code Conditions:
The Powertrain Control Module (PCM) detects that the position feedback of the Manifold Flow Valve Position Sensor is not within range of the adapted value learned during in-plant initialization or after a non volatile memory reset (adaptive memory clear).
Possible Causes:
  • * 5 volt supply circuit open or high resistance, shorted to voltage, ground or another circuit
  • * MFV signal circuit open or high resistance, shorted to voltage, ground or another circuit
  • * Sensor ground circuit open or high resistance
  • * Manifold flow valve
  • * Intake manifold
  • * PCM

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