![]() ![]() Power loss is also low compared to competitor products due to the low on-resistance, thus contributing to reduced power consumption of the ECU.Įfficiently drives large current load with low on-resistanceĬompact size and high reliability - The size is greatly reduced compared to an equivalent mechanical relay product. By using an IPD with protection/self-diagnostic functions built in, the number of peripheral components necessary can be reduced.Įfficiently drives a large current load with low on-resistance - A large current load can be driven using 1/40 of the current compared to a mechanical relay. Peace” Jay R.Ĭopyright 2010 : Engine Basics.Advantages of built-in protection/self-diagnostic functions - For safety, large current switches use components such as fuses and fault detection circuits, not just relays. So much mis-information on forums, good to read some solid info. ![]() Thank you for showing the REAL easy way, and saving me some money.” Joe Sĭon’t have any questions, just wanted to say thanks for putting this info out there. Info from every other site I looked at, only said how to do it using costly special tools. “Thank you, for the info, on your site, on how to remove valve springs, and install stem seals, using normal shop tools. **TO SUBMIT AN ARTICLE TO ENGINE BASICS PLEASE CLICK: CONTACT US! If you enjoyed the information and article you just read be sure to check out our newly released book with even more exciting photo's and information:īelow are just a few of the articles found here on Reading Spark Plugs 4 drive output - Blue Blackġ13 - AAC valve control (Auxiliary Air Control, Idle speed control) - Light Blue ![]() 2 drive output - Yellow Blackġ11 - Turbo boost pressure control solenoid (over boost cut ?) - Orange Blackġ12 - Injector No. 1 drive output - White Blackġ02 - EAI control solenoid output (egr valve control ?) - Orange Blackġ03 - Injector No.3 drive output - Green Blackġ04 - Fuel pump relay output - Black Purpleġ05 - Fuel pressure control module - Red Whiteġ06 - A/C on output (Air conditioner on relay signal) - Green Blackġ09 - Reverse electrical flow return circuit (alternator fail input) - Redġ10 - Injector No. SR20DET wiring ECU pins and description of wire colorsġ - Coil Pack 1 Output (Via power transistor Unit) - Red WhiteĢ - Coil Pack 2 Output (Via power transistor Unit) - Red Yellowģ - Tachometer signal output - Yellow Redĥ - Ignition Pulse Monitor (For Trip Comp ?)ħ - RX data (Signal from Nissan Consult hand terminal) - Green BlackĨ - Coil Pack 3 Output (Via power transistor Unit) - Red Whiteĩ - Coil Pack 4 Output (Via power transistor Unit) - Red Whiteġ2 - A/T signal DT3 (autotrans gear select ?)ġ4 - CLK clock (timing signal) - Green Whiteġ5 - TX data (signal to Nissan Consult hand terminal) - Greenġ6 - MAFS signal input ( Mass Air Flow Sensor ) - Whiteġ8 - Water Temp Sensor input - Blue BrownĢ0 - TPS input (throttle postion sensor) - WhiteĢ2 - CAS 180deg signal (Crank angle sensor) - WhiteĢ3 - CHK check (check start) ? - Green RedĢ4 - Monitor check Lamp (red) (fault code lamp output)Ģ5 - Exhaust over temp warning lamp output - OrangeĢ6 - Exhaust temp sensor inout (Behind the Cat) - Blue YellowĢ7 - Detonation sensorinput (knock sensor) - Whiteģ0 - CAS 180deg signal (crank angle sensor) - Whiteģ1 - CAS 1deg signal (crank angle sensor) - Blackģ3 - 34 - Start signal (from ignition switch) - Orangeģ5 - A/T neutral switch input - Green Orangeģ6 - IGN (ignition ON, from ignition switch) - Black Redģ7 - TPS power output (power to throttle position sensor) - Light Green RedĤ0 - CAS 1 deg signal (crank angle sensor) - Red BlackĤ1 - A/C on input (Air Con ON from A/C panel) - Blue GreenĤ2 - A/T signal DT1 (auto trans gear select ?)Ĥ3 - Power steering switch (speed proportional control output) - Purple WhiteĤ4 - A/T signal DT1 (auto trans gear select ?)Ĥ5 - Ambient air tamp sensor input - Blue Whiteġ01 - Injector No.
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