1990 toyota carolla trunk switch

1. Why does the key not work? Is the cylinder broken? 2. I would ask you to check the fuse for the trunk release first, replace if needed. 3. Varify that the switch is fine, by doing a resistive measurment, with regards to a open, or hi resistive contact within the housing. 4. If none of the above work, locate the relay for the unit and test it, if it is fine, move on to the soleniod in the trunk. 5. You should check that the wiring is unchanged and is fine, with respect to power distribution to the trunk release module. Regards EVIL Teken . . .

Nooo, don't get the Chilton's. They suck IMO.Certified Security Specialist

Always check info with a digital multimeter.

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Theatreguy, You could do a simple check. Simply remove the momentary push botton switch, and connect both wires together, for a second or so. If the trunk opens, you have found your problem, and replace the switch. If the trunk still does not open, then you will have to locate the fuse for the unit, and replace as required. If the fuse is fine, then the next step is to ensure there is no binding / tension in the trunk lid. Which may be preventing the soleniod from actuating. Listen to the trunk as you touch both wires from the switch to hear if the soleniod is even attempting to engage. Again, if the trunk opens and closes with no resistance, then you should follow through and locate the relay for the soleniod. Test it, and varify its operation and its resistive values in the coil. Worst case simply stick in a new relay to see if it changes the situation. If not, move on to the soleniod. If you simply take the power wire and and engage the soleniod you should here it attempting to pull in the pull cord of the soleniod dowell pin. If it does not engage, you have found your problem, and replace the soleniod. Follow the above and you will eliminate 90% of the possible area's that may be affecting your trunk release. You will of course varify the most basic. Which is that there is a proper ground and power going to the unit. This could be as simple as a broken ground wire, to a open power cable. Check the basics, as for the manual. If you intend to keep this vehicle for a long time. And wish to reduce the amount of maintenance costs associated to the vehicle and wish to do some of the duties which your personl mech would do. Invest in a Helms manual. If it helps you to resolve *only one* automotive problem, which saves you the time and money to pay someone else to figure out. Than, it has paid for itself 10 fold. You may purchase one on-line at wwww.helminc.com Regards EVIL Teken . . .

You know I just re-read your last reply. Is this trunk release a cable style? Annd not one which is powered and released using a soleniod? LOL, if it is, please forgive my lack of attention. If, it is a pull cord style. The simplest thing to do is to ensure that the actual pull cord is in fact still attatched to the handle. If not, you will of course have to repair the cable, and the ring terminal which holds it in place. Regards EVIL Teken . . .

from what you say i believe the trunk was replaced and the lock was not switched. a locksmoth may be able to pick the lock open then check for a code to have a key made,he also should be able to impression the lock making you a key. it is possible the cable has broken or come disconnected.in any case you need to get the trunk open to repair.keep smiling tomorrow will be better

heh the keyhole doesn't work in my corolla either.. it looks like the lock is rusted from the inside.. i have to keep popping it from the insdie...