Learn to read wiring diagram
1. Starting & charging system
- battery, starter motor, generator & nsbu switch circuit: (diesel / gasoline)
- ignition switch circuit
- power mode circuit
2. Ecm (engine control module)
- battery power supply, ground, ei system, generator & ckp sensor circuit
- fuel pump, injector & heated o2 sensor circuit
- etc module, sensor (map, ect, knock, acp & accelerator pedal), oil pressure switch & legr circuit
- evap canister purge solenoid, sensor (cmp, accelerator pedal, fuel level) & clutch switch circuit
- brake switch, back up switch, nsbu switch circuit
- dlc (data link connector) circuit
3. Ecm (engine control module): (2.0 diesel)
- battery power supply, ground, glow plug control unit, fuel heater, generator &
ckp sensor circuit
- injectors, fuel pumps & sensors (exhaust gas temperature, fuel temperature)
circuit
- sensor (wif, maf / iat, dpf pressure, rail pressure, ect, acp), switch (oil pressure),
rail pressure valve control & fuel metering unit circuit
- sensor (accelerator pedal, boost pressure, fuel level, cmp), actuator
(throttle plate, boost pressure), clutch switch & egr valve circuit
- brake switch, back up switch & nsbu switch circuit
- dlc (data link connector) circuit
4. Tcm (transmission control module)
- power supply, ground, brake switch & solenoid valve circuit
- sensor (input speed, output speed), nsbu switch & high speed can circuit
- gear shift lever, winter mode switch & cluster circuit
5. Bcm (body control module)
- power supply, ground, ignition switch circuit
- power mode, rain sensor & rear wiper switch circuit
- head lamp, illumination, front / rear fog, brake switch & dimmer control circuit
- interior lamp, back up lamp, gear shift level, switch (winter mode, cruise, hazard,
turn signal) circuit
- front wiper, elevator gate wiper, rain sensor & evap core temp. Sensor circuit
- door lock / unlock, horn, door latch, parking assist & switch (park brake, open hood, door lock) circuit
- power window, elevator gate glass, coupling control module, esp switch & manual a / c controller circuit
6. Air conditioner
- air conditioner control switch & blower motor circuit
- motor intake, motor mode & evap core temp. Sensor circuit
7. Fatc (full automatic temperature control)
- motor (blower, intake, mode, temperature) & power module circuit
- sensors (aqs, duct temp., evap core temp., incar, combi), ecm & bcm circuit
8. Air conditioner compressor circuit
9. Radiator cooling fan circuit
- cooling fan circuit: diesel / gasoline
10. Ptc-heater circuit: diesel
11. Head lamp circuit
- w / o head lamp leveling
- w / head lamp leveling
12. Head lamp switch circuit
- w / o auto light
- w / auto light
13. Illumination circuit
- illumination, dimmer control switch & heating mat switch circuit
- lamp (license plate & front / rear parking) circuit
14. Front & rear fog lamp circuit
15. Hazard & turn signal lamp signal
16. Stop lamp, center high mount stop lamp (chmsl), back up lamp & ecm mirror
circuit
17. Interior of lamp circuit
- lamps (map, room, door step, sunvisor, luggage, glove box, key hole) circuit
18. Wiper circuit
- front wiper circuit
- elevator gate wiper circuit & head lamp washer circuit
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