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When you say the car does not want to accept the EKA code then I’m assume that the sidelamp warning lamp is not flashing when you are entering the eka code. That means that either the process that you are using is not correct or the becm does not realize that you are entering the eka code...

Good idea!

Couple of pointers. Eka process is different between older P38As and newer ones. I think the change occurred at 96MY, so if your old car was a 95MY then don’t use same process. If the side light warning light on the Ipack does not come on & go off during the EKA key turning then the becm...

The relay is to ensure there is adequate voltage to the compressor clutch. Without it there is a voltage drop across the hevac ecu which means that you don't get 12v at the clutch and this causes wear in the clutch due to slip, leading to clutch failure.

The becm uses a 5V signal to the temp sender and the 95 & 96 MY temp senders relied upon the engine earth, so with a 5V signal to the sender, a small earth shift on the engine causes the needle on the temp gauge to rise. The fix at 97 was to provide the sensor with its own ground wire which is...

The ignition switch does not have a live feed going to it. The feed is actually a ground feed, so when you try and crank the engine the Becm receives ground signal from the ignition switch and not 12volts. When you say the relay clicks are you referring to the ones in the becm or in the under...

Re 1). Sounds as though it's fine. 2). The fans are controlled by pressure switches only and ambient needs to be ~ 28 C plus before low speed fans switch on, ie when ambient temps are high, A/C works harder and refrigerent pressure goes up, resulting in the low pressure switch closing and...

. Agree especially if its a 95 or 96 MY.

As Dan2082 said, Are you sure it’s overheating?. When you next get into an “overheating situation”, stop the vehicle and measure the block or cylinder head temperature (the coolant temp will be within ~2C of the metal temperature. If you don’t have one buy a $10 infrared...

Vertical needle position is about 80 to 115C. On earlier vehicles (95/96 MY) the needle would rise at a slightly lower temp ~110C.

Not sure if you still have a no start issue with your vehicle. Where does the black wire go to on the neg. side of the coil. A black wire is usually earth (which should not be connected to the coil. If it's a capacitor, thats ok. It could also be for the Ipack tach signal and thats ok. When you...

To check the connection between the GEMS & BECM, go to the GEMS ecu and wriggle the wire (from memory think it was a black wire)when ignition turned on and get someone to tell you if the amber check engine light comes on. I've not been on this site for a while but I can recall from before from...

A long time since I worked on these vehicles, but I'll try and help a little. If you can lock and unlock the vehicle with the remote, then the becm is happy with the code it is receiving and the two units are synchronise and the eka code is not reqd. When you put the key in the ignition and turn...

Good luck!. The front window signals get to the front doors via the serial link ie from the becm to the door outstations. There are no relays for the front doors inside the becm. Strange thing is, if your front door locks work ok (also use same serial link as windows), this would indicate the...

I've not fitted one of these for about 10years, but there should be a label on the unit (not the box) with a part number on the side and also I would have thought the frequency. Type into google the part #, it should confirm which market it is for. If its a 315Mhz unit, that is only for NAS and...

There should be no lamps on the H gate module once the becm has gone to sleep. Its a very useful tool for checking if the becm goes to sleep (on an auto). To check, remove ignition key and switch off interior lights, wait 2mins and all tell tale lamps on the H gate should go out. When they do...

Don't by an RF receiver unless you are sure its causing you a problem (its not always the cause of a flat battery), but one part that you do need to buy is a replacement microswitch for the ignition lock (this is causing the false key in switch messages and could be contributing to the flat...

Not sure how you are measuring the 9.5mA current drain. When the becm is asleep the the battery drain on a 95MY is about 30 to 35mA. If its a newer becm then its better ~20 to 25 mA. 9.5mA is too low. These figures are when you measure the drain at the battery. If you have a good battery, that...

It's a straight swop, you should not even have to resync the key. Make sure the unit is not a 315MHz unit, that will not work. You need to make sure it says 433MHz (to match your key). If you have a high battery discharge, check if the becm is going to sleep, if an auto, see if the red LED next...

I'm assuming this is a thor ems (as you say it's a 99) with the banana shaped inlet manifold, if so, then if there was an immobilisation issue your engine would crank, run for about 1 sec, then cut out. If your engine won't fire up (even for 1 sec), then it looks more like an ems problem rather...