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Orlando 1 (2010-2018) Trailblazer 1 (2001-2008, petrol) Lumina 1 (1989-1994)
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  • Fuse and relay boxes in the engine compartment

Fuse and relay boxes in the engine compartment (Chevrolet Orlando 1)

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Contents: Fuse block on the battery ↧ Fuses, fuse links and the circuits… ↧ Relays and the circuits they connect ↧
Fuse block on the battery

Fuse block on the battery


Fuse block on the battery



№Current, AProtected circuits
Bf1100fuse and relay box in the instrument panel
Bf2100Fuse and relay box in the instrument panel
Bf380Electric power steering
Bf4-Reserve
Bf5250Engine compartment fuse and relay box
Bf6250Starter

Engine compartment fuse and relay box: Efl-Ef71 — fuses and fuse links; Er1-Er1 7 — relay; 1 -…

Engine compartment fuse and relay box: Efl-Ef71 — fuses and fuse links; Er1-Er1 7 — relay; 1 - tweezers


Fuses, fuse links and the circuits they protect



№DesignationCurrent, AProtected circuits
Ef1TCM15Automatic transmission control unit
Ef2ECM15Electronic engine control unit (ECU)
Ef3-Ef4——Reserve
Ef5IGN15Automatic transmission control unit, electronic engine control unit (ECU), intake air temperature sensor, automatic transmission secondary shaft speed sensor
Ef6FRT WIPER30Front wiper relay
Ef7——Reserve
Ef8F/INJECTOR15Engine management system
Ef9IGN COIL15Ignition coils, fuel injectors
Ef10ECM15Electronic engine control unit (ECU), secondary shaft speed sensor of automatic transmission
Ef11LAMBDA SENSOR10Engine management system
Ef12STARTER30Starter
Ef13CANISTER7,5Evaporative Canister Purge Valve
Ef14——Reserve
Ef15RR WIPER20Rear wiper
Ef16AQS SHUTTER7.5Outdoor air pollution sensor
Ef17AIR BAG5Airbag system control unit
Ef18FSCM10Fuel Pump Control Unit*
Ef19——Reserve
Ef20FUEL PUMP20Fuel pump
Ef21RR POWER WINDOW30Electric rear windows
Ef22- Ef23——Reserve
Ef24FRT POWER WINDOW30Electric windows front doors
Ef25ELEC VACUUM PUMP20Electric vacuum pump
Ef26ABS PUMP40ABS control unit
Ef27PEPS30Remote door locking system receiver
Ef28RR WINDOW DEFOG40Rear window heating
Ef29——Reserve
Ef30ABS15ABS control unit
Ef31BCM 720Electrical equipment control unit
Ef32BCM 620Electrical equipment control unit
Ef33FRT SEAT HEATING30Heated front seats
Ef34SUNROOF25Sunroof
Ef35AMPLIFIER30Audio system
Ef36——Reserve
Ef37HIGH BEAM RH10High beam (right headlight)
Ef38HIGH BEAM LH10High beam (left headlight)
Ef39-B41——Reserve
Ef42COOLING FAN K220Relay for switching on the 1st speed of the electric fan of the cooling system, relay for switching on the 2nd speed of the electric fan of the cooling system, electric fan of the cooling system
Ef43-Ef44——Reserve
Ef45COOLING FAN K140High speed relay for electric cooling fan, electric cooling fan
Ef46COOUNG FAN CONT10Cooling system electric fan speed control relay 1, cooling system electric fan speed control relay 2,
Ef47LAMBDA SENSOR10Heating of oxygen concentration sensors, valves of variable valve timing
Ef48FOG LAMP15Front fog lights
Ef49-Ef50——Reserve
Ef51HORN15Sound signal
Ef52MIL5Instrument panel
Ef53ISRVM10Auto-dimming interior rearview mirror
Ef54MHL LIGHT CTR5Air conditioning control unit
Ef55FOLDING MIRROR7,5External mirror control unit
Ef56FRT WASHER15Front windshield washer
Ef57ESCL15Electric steering column lock
Ef58--Reserve
Ef59DSL FUELYEANING30Fuel heating*
Ef60MIRROR DEFOG7,5Heated exterior mirrors
Ef61--Reserve
Ef62A/C CLUTCH10Air Conditioning Compressor Clutch Relay, Air Conditioning Compressor Clutch
Ef63--Reserve
Ef64AQS SYSTEM5Air quality sensor
Ef65REAR FOG LAMP7,5Rear fog lights
Ef66RR WASHER15Rear windshield washer
Ef67FSCM20Fuel Pump Control Unit*
Ef68--Reserve
Ef69BAT VOLTAGE SENSING5Battery Current Sensor
Ef70RAIN SENSOR5Rain sensor
Ef71--Reserve



Relays and the circuits they connect



№DesignationName
Er1A/C CLUTCHAir conditioning compressor electromagnetic clutch engagement relay
Er2STARTERStarter relay
ErZCOOLING FAN K7Cooling system electric fan relay
Er4FRT WIPER SPEEDWindshield wiper speed changeover relay
Er5FRT WIPER ONWindscreen wiper relay
Er6-Reserve
Er7MAINECU relay
Er8FUEL PUMPFuel pump relay
Er9COOLING FAN K2Relay for switching on the 1st speed of the electric fan of the cooling system,
Er10COOLING FAN KZRelay for switching on the 2nd speed of the electric fan of the cooling system
Er11-Reserve
Er12COOUNG FAN KZCooling system electric fan speed control relay 2
Er13COOLING FAN K1relay for switching on the high speed of the electric fan of the cooling system
Er14-Reserve
Er15IGNMain Ignition Relay
Er16DSL FUELFuel heating relay*
Er17WINDOW, MIRROR DEFOGRelay for switching on the heated rear window and outside rearview mirrors
Built-in relays
Horn relay
Front Windscreen Washer Pump Relay
Front fog light relay
High beam relay

*Diesel engine.

The article was checked: Vladimir Romannikov
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

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Orlando 1: Equipment and devices
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Orlando 1 (2010-2018) 
  • General information
  • Introduction to manual
  • User manual
  • Maintenance
  • Troubleshooting
  • Power unit
  • Engine repair
  • Fuel and control system
  • Cooling and lubrication system
  • Ignition system
  • Transmission
  • Clutch
  • Gearbox
  • Drive shafts
  • Chassis
  • Car suspension
  • Steering
  • Brake system
  • Body
  • Exterior (external elements)
  • Doors, locks and windows
  • Electrical equipment
  • Equipment and devices
  • Windscreen wipers
  • Power devices
  • Electrical diagrams

 

Trailblazer 1 (2001-2008) 
  • General information
  • User manual
  • Troubleshooting
  • Maintenance
  • Power unit
  • Engine in a car
  • Engine overhaul
  • Cooling and heating
  • Fuel and exhaust system
  • Engine electrical equipment
  • Engine control
  • Transmission
  • Automatic gearbox
  • Transfer case
  • Drive shafts and cardan
  • Chassis
  • Brake system
  • Car suspension
  • Steering
  • Body
  • Exterior (external elements)
  • Interior (internal elements)
  • Doors, locks and windows
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits

 

Lumina 1 (1989-1994) 
  • General information
  • Maintenance
  • Power unit
  • Engine 3.1L V6
  • Engine 3.8L V6
  • Engine overhaul
  • Cooling system
  • Power and exhaust system
  • Fuel injection
  • Engine electrical equipment
  • Reduced exhaust gas toxicity
  • Transmission
  • Automatic gearbox
  • Drive shafts
  • Chassis
  • Brake system
  • Car suspension
  • Steering
  • Body
  • Heating and air conditioning
  • Repair of body elements
  • Doors, covers and windows
  • Interior (internal elements)
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits

 

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