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Can you provide a wiring diagram for the E46 AC system?

The AC input to your ECU will be a signal from the A/C control module to indicate the air conditioning has been switched on/off. The ACMG provides ground to trigger the relay that switches on your compressor clutch and monitors the voltage to confirm the compressor is engaged. This process of...

1. Yes, that's what I would try too. 2. Sounds OK 3&4. Sounds OK 5. The test from #1 would either isolate it as a fault, or confirm it as a possible cause. 6. NSW and STA are for starting only - you should also have position inputs from each shifter position back to the ECU (i.e. PRD2L) 7. Are...

What year model is your Celica? Many people have swapped a 1UZ into all sorts of Celicas - just search the forum... or google images. 1JZs can fit too. You may be able to find an adapter to fit the 1UZ onto your Celica 5-speed if its a steel-case. Bellhousing & Adaptor Plates Toyota V8 1UZ, 2UZ...

If the plugs are wet then it sounds like the ECU is turning on and getting reference from your cam/crank sensors. Double check the wiring from your igniters to the ECU.

If you're not losing coolant, its likely to be condensation - a normal by-product of combustion. Engines that do short trips where the exhaust doesn't get hot enough, water can build up. In some cases, with mild steel exhausts, it can completely rust them out. It becomes more noticeable on cold...

Saturday morning, the car got stripped back to the front of the motor and I started insulating the plastics. Cut short but family commitments, and yard duties, I didnt get stuck into it again until Sundary arvo. The two covers most exposed to manifold heat done and I finally finished the...

Soarer Troubleshooting guide points (in order) to: Shift solenoids While the shift solenoids seem to be within spec and click when energized, that doesn't mean much if the solenoid is blocked or damaged Throttle Position Sensor Check voltage sweeps at VTA pin on ECU when you move the throttle...

GM LS1 - its a 5.7 litre but significantly smaller than a 1UZ. Lots of potential for upgrades with aftermarket parts.

Just to be clear, when you accelerate in Drive, the transmission stays in first and wont shift into second? Does the transmission behave normally when you shift manually into 2 or L positions? If thats all good, based on your measurements of S1 and S2, if it wont shift into second then I would...

Latest updates: Dump pipe is done but I'm ashamed of my welding so you'll only see pics once its wrapped Wastegate is a tight fit but its in, along with oil feed and return After replacing the thermostat o-ring and outlet (pin hole in the plastic) the cooling system is watertight and no leaks...

The Haltech software allows infinite control over injection timing, and you can map in advance as the engine spins faster (and the window for injection gets smaller). You can also add in more rows and map it to any other input (TPS, MAP, etc). This was preconfigured in my map when I created it...

Something I've found recently that should be shared... When setting up aftermarket ECU, there are often pre-configured tables you can use to align your coolant temp sensor reading with the actual temperature - effectively teaching the ECU how to read the sensor. In the case of a Haltech, you...

I think Gloverman has a video on fuel rails on the tube

Parasitic current draw. Something is drawing current when the vehicle is switched off and consuming the voltage. There are plenty of vids on youtube showing how to perform the test and identify the circuit with the issue. Either that, or you keep leaving the door ajar.

Returnless fuel systems normally have a pressure regulator built into the in-tank pump. You may suffer fuel starvation with the setup you have listed. I take it your Land Rover wasn't originally fuel injected... so, if it were me, I would run: Low Pressure Pickup Pump > Surge Tank > High...

Turns out the Volvo XC60 pump was stuffed so I picked up an Astra pump that works fine. Will hopefully make some brackets and mount it this weekend. Following that, all it needs is a dump pipe fitted and I can start it.

Plus I also made this thing to convert each of the shifter positions into a variable voltage. I don't have enough inputs to the Haltech to run individual wires so this circuit takes 5V and changes is into: P = 0.6V R = 1.4V N = 2.2V D = 3.0V 2 = 3.8V 1 = 4.5V 0.0V and 5.0V are reserved to...

Slowly. I get to work on the car about one day a month. Not sure about the VVTi swap but I know there isn't much room to play on the driver's side thanks to the steering shaft. You will probably have the same issues as me with the sump, unless you have a custom sump made. I have made some...

I'd recommend you change the engine oil too - if the injector has been hosing fuel in, its likely a decent amount has gotten past the rings and into the sump. Petrol is not a good lubricant.