Diagram and location of fuses and relays in a Chevrolet Lacetti


Where are the Chevrolet Lacetti fuses located under the hood?

Under the hood of Chevrolet Lacetti cars, they are located on the right side near the battery, under a black cover. In the picture this block is o.


To access the fuses, you need to press a special latch:

Relay and fuse diagram under the hood of Chevrolet Lacetti

The importance of the rear wiper

Rear wiper installed on a car.

Because the rear wiper serves as a glass cleaner, which on all station wagon and hatchback vehicles gets clogged more than on sedans. It happened this way due to the close proximity to the road surface, the importance of this device is undeniable .

Purpose of Chevrolet Lacetti fuses

DesignationDenomination APurpose
AFuse PullerFuse removal tweezers
Ef1WATT MAIN30Accumulator battery. Fuse supply (F13-F16, F21-F24)
Ef2ABS60ABS - Anti-lock braking system and its actuators
Ef3BLOWERMOTOR30Heater fan (heater fan)
Ef4IGN-230Ignition switch: starter, power supply to fuses F5-F8 in the passenger compartment
Ef5IGN-130 Ignition switch: power supply to fuses F1-F4, F9-F12 and F17-F19 in the passenger compartment

(Fuel pump switch relay, fuel pump, exhaust gas recirculation valve, ignition system, canister purge valve, engine control unit, engine cooling fan)

Ef6ELEC FAN LO20Engine Cooling Fan - Low Speed
Ef7DEFOG30Electric heated rear window
Ef8ELEC FAN HI30Engine Cooling Fan - High Speed
Ef9POWER WINDOW20Power windows (except driver's door)
Ef10DIS15Fuel pump switch relay, ignition system, exhaust gas recirculation valve, electronic engine control unit.
Ef11ECM10Main relay power supply
Ef12HEADLAMP25Headlights, illumination of controls and instruments
Ef13STOP15Stop signals
Ef14DR'S P/WDO20Driver's door power window
Ef15H/L HI15High beam headlights
Ef16HORN15Sound signal
Ef17A/C10Air conditioning compressor
Ef18FUEL PUMP15Chevrolet Lacetti fuel pump fuse
Ef19PASS F/BOX15Horn switch, interior and trunk lighting, instrument cluster, trunk lid opening sensor
Ef20H/L LO LH10Low beam (Left headlight)
Ef21EMS15Electric fan of the engine cooling system, canister purge valve, heated oxygen sensor (lambda probe)
Ef22INJECTOR15Fuel nozzles, exhaust gas recirculation system
Ef23IL LH10License plate lights, hazard warning lights, tail lights, left side parking lights
Ef24FOG15Front fog lights
Ef25WORLD HEAT10Electric drive and heated rear view mirrors
Ef26DOOR LOCK15Central locking (door lock)
Ef27 H/L LO RH10Low beam (right headlight)
Ef28 IL RH10License plate lights, hazard warning lights, tail lights, right side side lights
Ef29SPARE10Spare
Ef30SPARE15Spare
Ef31SPARE25Spare

Purpose of the Chevrolet Lacetti relay

DesignationPurpose
1ILLUMINATION RELAYIllumination of controls and instruments
2HORN RELAYHorn relay
3MAIN RELAYMain Relay / Ignition Relay
4HEAD LAMP RELAYHead light relay
5FRT FOG RELAYFront fog lamp relay
6A/C COMP RELAYA/C compressor clutch
7 FUEL PUMP RELAYChevrolet Lacetti fuel pump relay
8 POWER WINDOW RELAYWindow lifters
9ELEC FAN LO RELAYCooling Fan - Low Speed
10DEFOG RELAYElectric heated rear window
11ELEC FAN HI RELAYCooling Fan - High Speed

Where are the fuses located in the Chevrolet Lacetti interior?

To access the fuses in the passenger compartment, you need to open the door. You can see the cover on the side of the torpedo.


You need to pull the cover handle, thereby gaining access to the fuses:

Fuse layout in the cabin:

Designation Denomination

(A)

Purpose
F1AIRBAG10Airbag control unit
F2ESM10Engine control module, automatic transmission ECU (if equipped), vehicle speed sensor, alternator excitation circuit
F3TURN SIGNAL15Direction indicators, hazard warning lights
F4CLUSTER10Instrument panel, brake light switch, electronic variable power steering control unit*, air conditioning switch*, electronic low beam headlight control unit*,
F5
F6ENG FUSE10Air conditioning compressor relay, headlight relay, power windows relay, rear window defroster relay
F7HVAC20Relay for turning on the electric air conditioner fan, air conditioning switch. Depending on equipment: climate control system
F8SUNROOF15Power mirror switch. Depending on the configuration: electric folding mirrors, electric sunroof
F9WIPER25Wiper gear motor, wiper operating mode switch
F10HANDS FREE10
F11ABS10ABS control unit. ABS control unit
F12IMMOBILIZER10Immobilizer, rain sensor, electronic anti-theft alarm control unit
F13TCM10Automatic transmission control unit (if equipped)
F14HAZARD15Alarm
F15ANTI-THEFT15Electronic anti-theft alarm control unit
F16DIAGNOSIS10Diagnostic connector
F17AUDIO/CLOCK10Clock and audio system
F18EXTRA JACK15Additional socket
F19CIGAR LIGHTER15Chevrolet Lacetti cigarette lighter fuse
F20BACK-UP10Reversing light switch, automatic transmission mode selector*
F21REAR FOG15Relay for turning on rear fog lights, relay for illumination of instruments and controls, side lights
F22ATC/CLOCK15Clock, climate control system*, air conditioning switch*
F23 AUDIO15Audio system
F24IMMOBILIZER10Immobilizer

Why do the dimensions and instrument lights go out on a Chevrolet Lacetti?

The instrument panel lights have gone out.

First, let’s find the connection between the dimensions and instrument lighting.

Fuse box location.

Based on the electrical diagram of the Lacetti from different years of production, fuse F6 F4 with the same rating is responsible for the operation of the dashboard

Guaranteed short circuit

However, in 99% of cases it turns out that if the dimensions and instrument lights do not light up, then replacing these fuses will do nothing and their test will show that everything is in order with them.

In fact, there is no mysticism. In almost all cases, such a malfunction occurs immediately after installing the glove compartment, replacing its backlight lamp or switch.

Attention. Before replacing the glove compartment light bulb, be sure to remove the negative terminal of the battery, otherwise the instrument panel light may go out.

The fact is that if you do not remove the negative terminal from the battery and begin to disassemble the glove compartment , a short circuit in the glove compartment lighting circuit is guaranteed - the cartridge contacts will inevitably be shorted to ground if you do not turn off the power to the car.

Even if we did not disassemble the glove compartment, but the side lighting and instrument lighting disappeared, with a high degree of probability the wiring harness leading to the switch and to the glove compartment illumination could become frayed and shorted , which would also cause a short circuit and blown fuse F21. He is responsible for the rear fog lights.

If you do everything correctly, the dimensions will light up again.

Relay in the Chevrolet Lacetti interior

To get to the relay in the interior, you need to open the coin drawer, thereby reaching the screws that need to be unscrewed.

Then, overcoming the force of the clamps, we pull the bottom panel

Then you need to press the lock for securing the hood opening cable

The relays are mounted on a bracket fixed to the instrument panel frame

Relay diagram under the dashboard of Chevrolet Lacetti

Relay purpose
1battery protection system control unit;
2turn signal and hazard warning relay
3relay for turning on the fog lights in the rear lights;
4starter interlock relay (for vehicles with automatic transmission)

Depending on the vehicle’s configuration, (BLOWER RELAY) is a relay for the fan of the air conditioning unit, (DRL RELAY) is a relay for the forced headlight system.

Causes

Because the rear wiper serves as a glass cleaner, which on all station wagon and hatchback vehicles gets clogged more than on sedans. It happened this way due to the close proximity to the road surface, the importance of this device is undeniable.

When the rear wiper on a Chevrolet Lacetti fails, the view of the rear window is immediately limited, and accordingly the mirror in the cabin becomes absolutely useless. This nuisance creates a lot of inconvenience. But what are the reasons for this problem:

  • Button.
  • Wiring.
  • Windshield wiper motor.
  • Mechanical part of the windshield wiper.
  • Fuse.
  • ECU.
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