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sandiwod
Novice

Nov 15, 2014, 1:21 PM

Post #1 of 7 (3207 views)
Prius Sign In

2008 Prius sometimes when we push the power button the dash lights do not come on. The lights for seatbelts comes on and the screen for climate and mpg comes on but not the mph or gas guage in that window and it will stay off for days then comes on.What do we have going on. Thanks


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 15, 2014, 4:26 PM

Post #2 of 7 (3194 views)
Re: Prius Sign In

Intermittent things of the sort on anything are going to be a pest to find and know it's fixed.


? Does anything you notice cause this to come back or go out - like temperature changes or bumps while driving?


If this doesn't change behavior with some wiggle test on wiring known common to both of the things that don't display it's going to be a tough chase down for what is possibly the cause and you just know if take this in to a tech specializing in just this car the dang thing is going to work.


Unless and someone here may know or not that there is a TSB = "Technical Service Bulletin" on such a thing for this problem already known.


Tough call on this,


T



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 15, 2014, 5:51 PM

Post #3 of 7 (3180 views)
Re: Prius Sign In

I wouldn't suggest poking around in there too much. There are points in that car that carry enough voltage to kill you instantly.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Nov 15, 2014, 6:53 PM

Post #4 of 7 (3175 views)
Re: Prius Sign In

What is the VIN?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


sandiwod
Novice

Nov 17, 2014, 10:02 AM

Post #5 of 7 (3156 views)
Re: Prius Sign In

No it just happens randomly with me or the wife driving.


Tom Greenleaf
Ultimate Carjunky / Moderator
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Nov 17, 2014, 10:14 AM

Post #6 of 7 (3151 views)
Re: Prius Sign In

You were asked for the VIN = Vehicle Identification Number by Discretesignals. Just maybe he can find something if he asked for it,


T


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Nov 17, 2014, 5:56 PM

Post #7 of 7 (3139 views)
Re: Prius Sign In

I remember reading something about Toyota extending the warranty on the instrument cluster. You might want to call your local Toyota dealer and ask. Really need the VIN to see if this TSB actually applies or not. Obviously this repair isn't DIY unless you have the appropriate scan tool and service information.



Quote
T-SB-0172-09

June 11, 2009

Combination Meter - Intermittent Display

Service
Category Vehicle Interior

Section
Meter/Gauge/Display

Market
USA

Zoom and Print Options
02_SB0172-09090611-001a.png


Applicability



Introduction
Some 2004-2009 model year Prius vehicles may experience an intermittent condition where the combination meter display will not illuminate in cold weather conditions. An updated combination meter ECU is now available to correct this condition.

In some instances while the vehicle is in park mode, the vehicle may not "ready off" by pressing the power switch. In this case the vehicle can achieve "ready off" by pushing and holding the power switch for more than 3 seconds.

Note

^ The combination meter computer contains the vehicle odometer memory. This component should be ordered directly from the vendor (Yazaki) with the correct mileage programmed.

Please refer to PANT Bulletin G107-29: Digital Odometer Replacement Program Expansion, for additional information.

Repair Procedure

1. Disconnect the negative (-) battery terminal.

2. Remove the combination meter assembly.

Refer to the Technical Information System (TIS) applicable model and model year Repair Manual:

^ 2004 / 2005 Prius:
Vehicle Interior-Instrument Panel/meter - "Combination Meter Assy: Overhaul"

^ 2006 / 2007 / 2008 / 2009 Prius:
Vehicle Interior - Meter/Gauge/Display - Meter: Combination Meter: Removal"

3. Disassemble the combination meter and remove the combination meter ECU.

^ 2004 / 2005 Prius:
Vehicle Interior - Instrument Panel/meter - "Combination Meter Assy: Overhaul"

^ 2006 / 2007 / 2008 / 2009 Prius:
Vehicle Interior - Meter/Gauge/Display - Meter: "Combination Meter: Disassembly"

4. Reassemble the combination meter assembly.

^ 2004/ 2005 Prius:
Vehicle Interior - Instrument Panel/meter - "Combination Meter Assy: Overhaul"

^ 2004 / 2005 Prius:
Vehicle Interior - Meter/Gauge/Display - Meter: "Combination Meter: Reassembly"

5. Reinstall updated combination meter assembly.

^ 2004 / 2005 Prius:
Vehicle Interior-Instrument Panel/meter - "Combination Meter Assy: Overhaul"

^ 2006 / 2007 / 2008 / 2009 Prius:
Vehicle Interior - Meter/Gauge/Display - Meter: "Combination Meter: Installation"

6. Reconnect the negative (-) battery terminal.

7. Reset the inclination sensor.

NOTE
Perform the following procedures to correct inclination of the meter and inclination sensors when installing / removing / replacing the meter or after replacing the inclination sensors or main base.

^ 2004 / 2005 Prius:
Vehicle Interior - Diagnostics - "Combination Meter Assy: On-Vehicle Inspection"

^ 2006 / 2007 / 2008 / 2009 Prius:
Vehicle Interior - Meter/Gauge/Display - "Meter/Gauge System: On vehicle Inspection"

8. Check operation of combination meter and verify vehicle will "ready off" properly.

9. Initialize power systems:

^ 2004 Model year Prius: EL009-04 "Power Window/Roof Initialization Procedures"

^ 2005 Model year Prius: PD008-05 "Power System Initialization During PDS"

^ 2006 Model year Prius: PD014-06 "Power System Initialization During PDS"

^ 2007 Model year Prius: PD010-07 "Power System Initialization During PDS"

^ 2008 Model year Prius: T-SB-0139-08 "Power Systems Initialization During PDS"

2009 Model year Prius: T-SB-0221-08 "Initialization of Power Window"






Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Nov 17, 2014, 6:03 PM)






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