Where is the body control module on a 1997 Jeep Grand Cherokee?
Your BCM is located under the dash towards the bottom left of your steering column. Remove the bottom panel and there are 3 plugs going into it.
What is a Jeep BCM?
BCM – Body Control Module – This unit is responsible for monitoring and controlling various electronic accessories in a vehicle’s body such power windows, power seats, air conditioning systems, etc…
Where is the body control module on a Jeep Liberty?
BCM –The Body Control Module is located on the right side of the vehicle and positioned under the instrument panel. In order to gain access to the module, it will be necessary to first remove the trim panel.
Can you bypass the BCM on a jeep?
Not sure if bypassing the BCM is so wise. The BCM switches the on/off as well as the high/low and when i’m not wrong he switches off the power to the wiper motor when the wipers are in park. You could probably not use the multifunction switch, because it is using several internal resistors and most probably will not switch the on/off relay.
Where does the BCM receive its input from?
The BCM in its turn receives an input from the multifunction switch. Inside the multifunction switch are several resistors. The BCM could be faulty, but i give it a bigger change that its the multifunction switch.
How many volts does a Jeep body control module have?
If thats ok, remove the wiper on/off relay in the power distribution center under the hood and measure point 87, you should have 12 V overthere (with ignition switch in run or acc). When not, or circuit breaker 1 on the junction block is faulty, or you have a wiring problem.
Where is the reset button on a Jeep Cherokee?
Find the Data Link Connector port next to the fuse panel under the driver’s dashboard. Plug the computerized scan tool into this port. Check the computerized scan tool’s owner’s manual on exactly how to clear the codes and reset the computer because each model is a little different.
Why is my BCM not working on my Jeep?
You could probably swap it with an other relay for trouble shooting. If relay energized and wiper works, the problem can be in the BCM or wiring to it. If it still doesn’t work, there is a good change that the wiper motor is bad.
What is the Body Control Module ( BCM ) in a car?
You’ve probably never thought about the body control module (BCM) in your car, but this component plays an important and comprehensive role in how the electrical features of your vehicle operate. Since the BCM touches on so many different systems, it’s not always obvious when things start to go awry.
What can cause a BCM module to fail?
Water, vibration, heat and age can all contribute to a module failing, which, depending on the placement of the unit in your vehicle, can be difficult to avoid. To keep your new BCM in the best shape possible, make sure it stays clean and dry, and protect it from unwanted shaking or excessive heat if at all possible.
If thats ok, remove the wiper on/off relay in the power distribution center under the hood and measure point 87, you should have 12 V overthere (with ignition switch in run or acc). When not, or circuit breaker 1 on the junction block is faulty, or you have a wiring problem.