How can I test my BCM with the Intelligent Key?

How can I test my BCM with the Intelligent Key?

Using Signal Tech-II (J-50190), check/test the signals from the BCM and the Intelligent Key. 1. From outside the vehicle, lock the vehicle (lock all doors). 2. Select “Key Test” on the Signal Tech-II. 3. Hold Signal Tech-II and the Intelligent Key near a front door handle.

What causes a keyless entry to stop working?

The other end of the system might be at fault, meaning broken locks, lock motors, a problem with the transmitter, or a switch that’s gone bad. Plus, memory cards can go haywire, too, causing your fob to stop working. If you’re at this point and it’s not the battery that’s causing your entry issues, then it may be time to turn to outside help. 4.

How does the Body Control Module ( BCM ) work?

The Body Control Module (BCM) on Nissan and Infiniti vehicles controls various electrical components, including the vehicle immobilizer system and the power door lock system SYSTEM FUNCTION The power lock system relies on the Intelligent Key to transmit button operation to the remote keyless entry receiver to function.

How does the remote keyless entry receiver work?

The remote keyless entry receiver receives each button operation signal and electronic key ID signal from the Intelligent Key and then transmits the signal to the BCM. The Intelligent Key has 2 IDs [Intelligent Key ID and NVIS (NATS) ID].

Is the keyless entry controlled by the BCM?

The keyless entry, especially on newer cars that can open if the keys simply get close enough, is also controlled through the BCM. In fact, the keyless entry is one of the things that can often go wrong in cars that are a little bit older. If the keyless entry point of failure is not at the keys or FOB itself, then you should look at the BCM.

How much does it cost to replace a BCM module?

Just replace the BCM through dealer. $325.60 for the module, 1 1/2 labor to program. Dont let them jerk you around. Call the dealer, talk to the parts ppl, find out cost of module, check with service on labor for replacing and programming.

How does a Body Control Module ( BCM ) work?

It streamlines the manufacturing and troubleshooting aspects of electronic modules by housing the modules into one, central unit instead of each function having its own device. It also coordinates the operating functions of many non-engine related ancillary items as well as security features.

When to look for a bad body control module?

If the keyless entry point of failure is not at the keys or FOB itself, then you should look at the BCM. ● Electronics, like windshield wipers and keyless entry, stop working properly. ● Flashing dashboard lights, or improper dashboard lighting.