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Corolla MatrixGeneral discussion forum for the Toyota Corolla and Toyota Matrix.
This is a discussion thread titled "'99 Corolla Power Locks Going Crazy", within the Corolla Matrix forum, part of the Cars & Vans Forums category.
The power locks are supposed to lock when the car engine is started and then unlock when the engine is turned off. My problem is that the power locks unlock the doors at any time; when I'm stopped, when I'm driving, even when the car is turned off. I'll lock the car with the fob and come back at the end of the day and the doors are unlocked. I can't find any pattern, it seems totally radom. I've taken it to the dealership twice and it never does it while there; so they say and look at me like I'm crazy. Anyone had this problem or heard of it before?
Its a fairly common problem.
1. One of the door switches is not functining properly.(shorting to ground, telling the door ECU (Integration relay) to open the doors.
or
2. There is a bad ground at connector (I12)(front of inside fuse box, orange connector)
or
3. It needs an INTEGRATION RELAY (its mounted to the back side of the fuse box under the drivers side dash). <----MOST COMMON
These are the 3 most common problems
__________________ 2002 TUNDRA AC 2WD = NOT STOCK
MODS: TRD LSD w/4.88's| TRD Headers | Flowmaster 50 Series SUV | TRD Supercharger | Hellwig Rear Sway Bar (custom end links) | TOYOTA Power Antenna | Rear "AIR RIDE" w/ on board compressor | De-badged | Raybrig Headlights & Nokya yellow Foglights | Keyless Upgrade to Full Alarm | Toyota Air Filter | Horn Mod | Map Light Mod | Back Seat Mod | Nurf Bars | AXIS Wheels w/315/75-16 Yokohama Geolander MT + | Home Link | SUPERLIFT Tru-speed-speedo Recalibrator | McKesh Mirrors l 3" Body Lift w/Poly Body Mounts l Gap Gaurds l Stainless Brake Lines l Poly Sway Bar Bushings l Poly Rear Leaf Spring Bushings l Clear/Red/Clear Tailights l Black Corners & Headlight Assy's l Diff breather Mod l Nu-Image Blue Flame Gauges l Eclipse AVN5435 w/ Rev Cam & 8 disk changer l Custom rear roll pan w/lights l RCD 6" lift w/ 3" blocks and AAL l Camburg UCA's l High Lift Jack l Daystar Front & Rear Bumpers l 4 Hella Black Magic Lights l Budbuilt Trac Bar l ICOM 706 MKIIG l Doran tire pressure sensors
23 yrs with TOYOTA
MDT/Shop Foreman/FINDLAY TOYOTA
ASE Certified Master Automotive Technician
Official Pro Comp Certified Installer & Dealer
Official Donahoe Certified Installer & Dealer
Certified Toyota Forklift Operator
Certified Locksmith
The second one is not to bad as long as the wires are ok.
They just need to be cleaned, but if they are BAD. Then the wires need to be replaced. That involves cutting and soldering in new wires and a connector.
The 3rd is just a matter of removing and replaceing the Integration relay. It mounts to the back of the fuse box inside the vehicle. (drivers side). Someof the dash pieces have to be reove to gain access to the back side of that fuse box, mostly time consuming and pricey.
__________________ 2002 TUNDRA AC 2WD = NOT STOCK
MODS: TRD LSD w/4.88's| TRD Headers | Flowmaster 50 Series SUV | TRD Supercharger | Hellwig Rear Sway Bar (custom end links) | TOYOTA Power Antenna | Rear "AIR RIDE" w/ on board compressor | De-badged | Raybrig Headlights & Nokya yellow Foglights | Keyless Upgrade to Full Alarm | Toyota Air Filter | Horn Mod | Map Light Mod | Back Seat Mod | Nurf Bars | AXIS Wheels w/315/75-16 Yokohama Geolander MT + | Home Link | SUPERLIFT Tru-speed-speedo Recalibrator | McKesh Mirrors l 3" Body Lift w/Poly Body Mounts l Gap Gaurds l Stainless Brake Lines l Poly Sway Bar Bushings l Poly Rear Leaf Spring Bushings l Clear/Red/Clear Tailights l Black Corners & Headlight Assy's l Diff breather Mod l Nu-Image Blue Flame Gauges l Eclipse AVN5435 w/ Rev Cam & 8 disk changer l Custom rear roll pan w/lights l RCD 6" lift w/ 3" blocks and AAL l Camburg UCA's l High Lift Jack l Daystar Front & Rear Bumpers l 4 Hella Black Magic Lights l Budbuilt Trac Bar l ICOM 706 MKIIG l Doran tire pressure sensors
23 yrs with TOYOTA
MDT/Shop Foreman/FINDLAY TOYOTA
ASE Certified Master Automotive Technician
Official Pro Comp Certified Installer & Dealer
Official Donahoe Certified Installer & Dealer
Certified Toyota Forklift Operator
Certified Locksmith
MODS: TRD LSD w/4.88's| TRD Headers | Flowmaster 50 Series SUV | TRD Supercharger | Hellwig Rear Sway Bar (custom end links) | TOYOTA Power Antenna | Rear "AIR RIDE" w/ on board compressor | De-badged | Raybrig Headlights & Nokya yellow Foglights | Keyless Upgrade to Full Alarm | Toyota Air Filter | Horn Mod | Map Light Mod | Back Seat Mod | Nurf Bars | AXIS Wheels w/315/75-16 Yokohama Geolander MT + | Home Link | SUPERLIFT Tru-speed-speedo Recalibrator | McKesh Mirrors l 3" Body Lift w/Poly Body Mounts l Gap Gaurds l Stainless Brake Lines l Poly Sway Bar Bushings l Poly Rear Leaf Spring Bushings l Clear/Red/Clear Tailights l Black Corners & Headlight Assy's l Diff breather Mod l Nu-Image Blue Flame Gauges l Eclipse AVN5435 w/ Rev Cam & 8 disk changer l Custom rear roll pan w/lights l RCD 6" lift w/ 3" blocks and AAL l Camburg UCA's l High Lift Jack l Daystar Front & Rear Bumpers l 4 Hella Black Magic Lights l Budbuilt Trac Bar l ICOM 706 MKIIG l Doran tire pressure sensors
23 yrs with TOYOTA
MDT/Shop Foreman/FINDLAY TOYOTA
ASE Certified Master Automotive Technician
Official Pro Comp Certified Installer & Dealer
Official Donahoe Certified Installer & Dealer
Certified Toyota Forklift Operator
Certified Locksmith
'99 Corolla Power Locks Going Crazy
Linear Mode
