2000 Kia Sportage "ecu power supply relay" Questions

...the main relay switch on a 1985 Honda Accord (Carb) the main relay, located at the back of the fuse box, is a coupler type which contains relays for the ECU power supply and fuel pump power

...it supplies voltage to 85. 86 is hot when you turn on the ignition, 87 goes to the ECU. The ECU grounds out the relay to energise it, thus sending power to 85. This works the same for all the

power to ECM. If your ECM seems like it's not activating other system like fuel pump relay, ignition coil,etc.etc. check that your immobilizer has been disabled. Some immobilizers will disable the ECU

...ECU is powered on, such as whether the sensor power supply, main relay power supply and communication line voltage are normal.Or check whether your Renault truck 's starter circuit is abnormal. What ...

ecu might have gone bad, not supplying power to the fuel pump relay. If the check engine light does not come on, on the dash, when the ignition is turned on, then the ecu is in need of repair. In case

...power is there any thing in betwin the ECU and the injector? 1992 suzuki sidekick 1.6 EFI 8V most fuel injectors have a continuous power supply with the key on. they are controlled on the ground side ...

...power then your right about ground supplied from the ecu and the other goes to the starter solenoid check for battery voltage on those 2 pins 86 and 30 one fuse is under the hood and the other is ...

...power and ground supplied, the starter motor operates. Your best bet mite be to have a qualified technician check it . Do you know what C.A.N serial data network is ? ...

...ECU there will be no supply until the immobiliser is disarmed. If the vehicle was presented to me I would check for a spark and if a spark is present I would provide a temporary supply to the fuel ...

...ecu builds up enough of a charge to power all the relays, including the fuel pump relay. If you haven't noticed, the check engine light probably does not light up on your dashboard, until the relay ...