Climate control will not turn OFF

Buick LeSabre Climate control will not turn OFF

When the blower motor will not shut off, even with the ignition off and/or only works on the highest setting, this is most commonly a sign of a faulty Blower Motor Control Module. It's located under the hood, towards the rear of the engine compartment, mounted to the blower motor housing (see image below). Inspect the wire harness and electrical connector for any loose, broken, melted or damaged wires. If the visual inspection checks ok, suspect a faulty Module.




Other possibility can be faulty relay:---

If the relay is your problem with the fan staying on it is located here:



The two on the right are the cooling fan relays

The wiring diagram the fan motors is below





For the manual system pull the blower motor relay and see if that turns the fan off. If it does replace that one. The relay is about $13 list but it will be less at a parts store.

If you have levers it is manual if you have a display you set to a temperature and the system keeps that temp it is automatic.

Here is the correct diagram for a manual system

There is a relay on your system that will shut off the blower but that is not the problem. The component that failed is the blower power module which is located here next to the blower motor on the firewall:

It is $124 at Advance auto parts


This is the speed controller for the blower motor. First check the 10A red fuse (#11) in the underdash relay panel on the passenger side for the blower motor that is located here.

If fuse 11 is good or if you replace it and the fan continues to malfunction you will have to replace the blower power module.

This details will help.

Thanks.

2007 Chrysler PT Cruiser:Engine Cooling Fan Comes ON with Engine OFF

Engine Cooling fan comes on all by itself

Fan comes ON and stays On till it drains the battery.

There are few possibilities that can cause this problem:


The cooling fan can only come on with the engine off because of a few reasons.

1) The very first possibility it could be an internal problem in the TIPM.

What is TIPM?

The TIPM is the module/fuse box under the hood that controls many electrical features, one being the cooling fan. If for some reason it was applying ground to one of the relay control circuits with the engine off then the fan would run.

2) Another possibility can be  wiring problem. If one of the relay driver wires between the TIPM and relays shorts to ground it will turn one of the relays on and run the fan.

3) And very much possible it can be one of the fan relays. There is a high and low speed fan relay mounted directly to the back of the fan shroud. If one of these stuck on then it would cause the fans to run with the engine off.

To start troubleshooting this problem i suggest to start by inspecting the wiring.
 If  wiring checks ok. No loose connection or no short anywhere,then try replacing the relays and see if that takes care of it. They're inexpensive and have a fair chance of repairing the problem.At our garage we have seen mostly the issue is weak relay,which needs replacing and such problem goes away.
 Otherwise the problem would have to be diagnosed through electrical testing at the time it's acting up.


Hope this helps.
Thanks.


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1988 Toyota Camry fuse box layout?

Toyota Camry Fuse Box

Most of the time when electrical problem occurs in the vehicles computer system.Its advisable to inspect vehicles fuse and relay components.

Every vehicle brand and model has its fuse box at certain location.To know exact location for 1988 Toyota Camry fuse box follow the fuse box details and diagrams mentioned below:

Dashboard Component Location Details For Toyota Camry Car Model

Junction Box 1,2,3 And 4 shows What fuse and relay are located in each junction box.
Please view first image to see which junction box is located where in the dashboard section.

Please Note Junction box 2 is located under hood and not in the dashboard section.

J/B NO.1

J/B NO.3 and NO.4

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This details will help.
Thanks.