If defective, replace with new one.Įf17 (10 A) – air conditioning compressor.
Test the signal itself by applying 12V directly to it.
Check the voltage at the signal terminals, if not, then the wiring or buttons on the steering wheel. A common problem is the absence or disappearance of contact on the body, which is located on the side member behind the left headlight. If the sound signal does not work, check in addition to this fuse, relay K2. If, when the high beam is on, there is no voltage on the necessary contacts, then there is a malfunction in the wiring or the steering column switch.Įf16 (15 A) – sound signal, siren, hood limit switch. Measure the voltage at the headlight connectors. If the high beam does not turn on, also check the K4 relay, the serviceability of the lamps in the headlights and the contacts in their connectors (they could oxidize), the light switch to the left of the steering wheel. Įf15 (15 A) – high beam lamps in headlights. Also check the pins in the landing connectors and the wiring.Įf14 (20 A) – power window in the driver’s door. If the additional brake light works, but the main ones do not, replace the lamps in the headlights, the lamps are two-filament, both could burn out. If none of the brake lights are on, including the additional one, check in addition the fuse F4, as well as the frog-switch on the brake pedal and its connector with wires.
To replace the bulbs, you will most likely have to remove the air filter housing. If the front side lights do not light up, check the lamps in the headlights, as well as the contacts of the box, which may disappear due to a poor connection. If only one side of the size bulbs does not light, check fuses Ef23 or Ef28. Įf11 (10 A) – Main relay circuit, engine control module (ECM). Įf10 (15 A) – electronic control unit (ECU), ignition coils, EGR valve.
#CHEVROLET LACETTI ECU FILE WINDOWS#
Įf9 (20 A) – power windows in the right front and rear doors. In the worst case, if there are problems with the temperature and pressure of the antifreeze, the cause may be a burnout of the cylinder head gasket.Įf8 (30 A) – high speed of the cooling fan (radiator). If the engine itself is running, check the antifreeze level, the coolant temperature sensor, the radiator cap and the expansion tank (the valve in the cap must work properly, the plug must be tight), the thermostat is in good condition. Check that the fan is working properly by applying voltage directly from the battery. If the fan does not turn on (it is rather difficult to determine its operation by sound, because it works quite quietly), check, in addition, fuses Ef8, Ef21 and relays K9, K11. Įf6 (20 A) – cooling system fan (radiator). It will work – most likely the contact on the body, the wire from the battery to the body of the car, has weakened.Įf5 (30 A) – ignition (circuits F1-F4, F9-F12, F17-F19).
If it does not work, apply voltage to it with separate wires directly from the battery. This will check that the starter is working properly. Make sure that the battery is charged and its terminals are firmly fixed, put the gearshift lever in neutral and close the contacts on the retractor relay near the starter. If the starter does not turn, check also relay 4 on the bracket under the dashboard on the driver’s side. Įf4 (30 A) – ignition (starter, chains F5-F8). On the inside of the cover, the original fuse and relay diagram is applied.Įf1 (30 A) – Main battery (circuits F13-F16, F21-F24). Main fuse box is located on the left side, between the battery and the coolant expansion tank.
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