Mazda MPV This minivan was among the class leaders with its roomy interior and efficient powertrain.

Head light switch/Relay

  #1  
Old 06-26-2006, 02:29 PM
Thread Starter
Join Date: Jun 2006
Posts: 2
Default Head light switch/Relay

Has someone had this issue:

When ambient temperature is too high, 30-35 cel. the head lights tune on??
 
  #2  
Old 06-26-2006, 08:20 PM
Senior Member
Join Date: Jul 2005
Posts: 2,747
Default RE: Head light switch/Relay

What year MPV do you have mazeyai? There has been quite a bit of problem with headlight switches becoming deformed under high heat conditions that would create the problem that you describe. Only lists for 94-97 but have seen on earlier model as well. Below is description of the TSB.

TSB: T007/98
HEAD LIGHTS COME ON AUTOMATICALLY
APPLICABLE MODELS
All 1994-97 MPVs with VINs beginning with JM3LV522V0819804 (2WD) and JM3LV523V0819807 (4WD).

DESCRIPTION
The light unit switch, located on the back of the combination switch, may become deformed due to high temperature exposure. This may allow the contacts to intermittently close, causing the headlights to come on automatically. Ribs have been added to the switch case and cam plate holder to reduce deformation of the switch case.

Symptoms are:

While the vehicle is parked, the headlights may come on although the switch is turned OFF.

When touching the combination switch to illuminate the turn signal, the headlights may come on.

The updated headlight switch is a Mazda Part #LB83-66-136 with MSRP of $55.05 US dollar.
 
  #3  
Old 06-27-2006, 01:13 AM
Join Date: Oct 2004
Posts: 9
Default RE: Head light switch/Relay

I had the same problem with my MPV '94. Ended up changing switch light.
 
  #4  
Old 06-28-2006, 02:23 PM
Thread Starter
Join Date: Jun 2006
Posts: 2
Default RE: Head light switch/Relay

Thank you,
It was 94 MPV
 
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