The Chevrolet Malibu (2016-2022) is a mid-size sedan known for its sleek design, comfort, and advanced technology features. A key part of the Malibu’s functionality is its electrical system, which is safeguarded and controlled by fuse boxes and relays.
The fuse boxes in the Chevrolet Malibu are typically located in two areas: one in the engine compartment and another inside the cabin, usually under the dashboard or near the driver’s side. The engine compartment fuse box manages high-current circuits like those for the engine, cooling fans, and ABS, while the interior fuse box protects circuits for interior features, such as the infotainment system, climate control, and power windows. Each fuse serves as a protective device that disconnects the circuit when there is an overload, preventing damage.
Relays in the Malibu function as switches that allow low-power control circuits to manage high-current devices like the fuel pump, starter motor, and HVAC system. These relays ensure the vehicle’s electrical components operate safely and efficiently. Regular checks of the fuses and relays are important to prevent electrical malfunctions, ensuring the Malibu’s systems remain operational and reliable.
MUST READ: DYI – How to Check Car Fuses?
(2016-2022) Chevrolet Malibu fuse box and relay with Diagram
WARNING
- Never replace a fuse with one that has a higher amperage rating.
- A fuse with a too-high amperage could damage the electrical part and cause a fire.
- On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
- If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
- Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Chevrolet Malibu (2016-2022) fuse assignment
- Cigar lighter (power outlet) fuses in the Chevrolet Malibu are the fuse F37 (Front accessory power outlets/ Cigar lighter) and circuit breaker CB2 (Console accessory power outlet) in the Instrument panel fuse box.
Year of production: from 2016, 2017, 2018, 2019, 2020, 2021, 2022
Fuse Box Location
Passenger compartment fuse box
It is located on the driver’s side of the instrument panel, behind the cover to the left of the steering wheel.
Engine Compartment Fuse Box
Fuse Box Diagrams
2016, 2017, 2018
Instrument Panel
Assignment of the fuses and relays in the instrument panel (2016, 2017, 2018)
| № | Ampere rating [A] | Usage |
|---|---|---|
| F1 | 30 | Left power windows |
| F2 | 30 | Right power windows |
| F3 | — | — |
| F4 | 40 | Heating, ventilation, and air conditioning blower |
| F5 | 15 | Body control module 2 |
| F6 | — | Left rear heated seat (2018) |
| F7 | — | Right rear heated seat (2018) |
| F8 | 15 | Body control module 3 |
| F9 | 5 | Engine control module/Rear battery |
| F10 | 15 | Body control module 2 (w/ Stop/Start option) |
| F11 | — | — |
| F12 | — | — |
| F13 | — | — |
| F14 | — | — |
| F15 | 20 | Transmission control module ( w/ Stop/Start option) |
| F16 | 30 | Amplifier |
| F17 | — | Seat power lumbar |
| F18 | — | OnStar |
| F19 | — | — |
| F20 | 15 | Body control module 1 |
| F21 | 15 | Body control module 4 |
| F22 | — | — |
| F23 | 10 | Electric steering column lock (China and Russia only) |
| F24 | 10 | Airbag |
| F25 | 7.5 | Data link connector |
| F26 | — | — |
| F27 | 30 | AC DC inverter |
| F28 | — | — |
| F29 | 20 | Body control module 8 |
| F30 | 10 | Overhead console |
| F31 | 2 | Steering wheel controls |
| F32 | — | — |
| F33 | 10 | Heating, ventilation, and air conditioning |
| F34 | — | Gateway (2018) |
| F35 | — | — |
| F36 | 5 | Wireless charger |
| F37 | 20 | Front accessory power outlets/ Cigar lighter (China only) |
| F38 | 5 | OnStar |
| F39 | 7.5 | Display |
| F40 | 10 | Obstacle detection |
| F41 | 15 | Body control module 1 (w/ Stop/Start option) |
| F42 | 15 | Radio |
| CB1 | — | — |
| CB2 | 15 | Console accessory power outlet |
| Relays | ||
| K1 | — | |
| K2 | Retained accessory power relay | |
| K3 | — | |
| K4 | — | |
| K5 | — |
Engine Compartment
Assignment of the fuses and relay in the engine compartment (2016, 2017, 2018)
| № | Usage |
|---|---|
| 1 | — |
| 2 | — |
| 3 | Antilock brake system pump |
| 4 | AC DC inverter |
| 6 | Trunk |
| 7 | Anti-theft warning siren/Horn |
| 8 | Window/Mirror/Seats |
| 9 | Electric brake boost |
| 10 | Left seat lumbar (2017)/AOS/Airbag–HEV |
| 11 | DC DC battery 1 |
| 12 | Rear defogger |
| 13 | Heated mirror |
| 14 | — |
| 15 | Passive entry/Passive start |
| 16 | Front wiper |
| 17 | Passenger power seat |
| 18 | Antilock brake system valve |
| 19 | Driver power seat |
| 21 | Sunroof |
| 22 | Parking lamp |
| 23 | Active headlamp leveling |
| 24 | — |
| 26 | Transmission control module/Ignition |
| 27 | Instrument panel body/Ignition |
| 28 | Fuel pump (2017) |
| 29 | Regulated voltage control/Ventilation |
| 30 | Malfunction indicator lamp/SS |
| 32 | CVS |
| 33 | Front heated seat |
| 34 | Rear heated seat (2017)/BSM/ESS fan |
| 35 | Body control module 6/Body control module 7 |
| 37 | Fuel module |
| 38 | — |
| 39 | — |
| 40 | Steering column lock |
| 41 | — |
| 43 | Heated steering wheel |
| 44 | Active headlamp leveling |
| 45 | — |
| 46 | Engine control module/Ignition |
| 47 | — |
| 48 | Electric brake boost–HEV |
| 49 | DC DC battery 2 |
| 50 | — |
| 51 | — |
| 52 | — |
| 53 | — |
| 54 | — |
| 55 | — |
| 56 | Starter motor (2018) |
| 57 | Transmission auxiliary pump |
| 58 | — |
| 59 | High-beam headlamps |
| 60 | Cooling fan |
| 61 | — |
| 62 | — |
| 63 | — |
| 65 | Air conditioning–HEV |
| 67 | — |
| 68 | — |
| 69 | Right low-beam HID headlamp |
| 70 | Left low-beam HID headlamp |
| 72 | Starter pinion |
| 74 | Starter motor (2017) |
| 75 | Engine control module |
| 76 | Powertrain off engine |
| 77 | — |
| 78 | Horn |
| 79 | Washer pump |
| 81 | Transmission control module/Engine control module |
| 82 | — |
| 83 | Ignition coil |
| 84 | Powertrain on engine |
| 85 | Engine control module switch 2 |
| 86 | Engine control module switch 1 |
| 87 | SAIR pump |
| 88 | Aeroshutter |
| 89 | Headlamp washer |
| 91 | — |
| 92 | Traction power inverter module/Motor generator unit pump |
| 93 | Active headlamp leveling |
| 95 | SAIR solenoid |
| 96 | Fuel heater |
| 97 | — |
| 99 | Coolant pump |
| Relays | |
| 4 | AC DC inverter |
| 20 | Rear defogger |
| 25 | Front wiper control |
| 31 | Run/Crank |
| 37 | Front wiper speed |
| 42 | Transmission auxiliary pump |
| 64 | 2017: A/C control 2018: Starter motor |
| 68 | Powertrain |
| 71 | Low-beam HID headlamps |
| 73 | 2017: Starter motor 2018: Air conditioning |
| 80 | Starter pinion/Starter motor |
| 90 | SAI reaction solenoid |
| 94 | Headlamp washer |
| 98 | SAI reaction pump |
2019, 2020, 2021, 2022
Instrument Panel
Assignment of the fuses and relays in the instrument panel (2019, 2020, 2021, 2022)
| № | Description |
|---|---|
| F1 | Left power windows |
| F2 | Right power windows |
| F3 | — |
| F4 | Heating, ventilation, and air conditioning blower |
| F5 | Body control module 2 (without Stop/Start option) |
| F6 | Left rear heated seat |
| F7 | Right rear heated seat |
| F8 | Body control module 3 |
| F9 | 2019-2020: Engine control module/Rear battery – HEV |
| F10 | Body control module 2 (with Stop/Start option) |
| F11 | — |
| F12 | — |
| F13 | — |
| F14 | — |
| F15 | Transmission control module (with Stop/ Start option) |
| F16 | Amplifier |
| F17 | Seat power lumbar |
| F18 | — |
| F19 | — |
| F20 | Body control module 1 (without Stop/Start option) |
| F21 | Body control module 4 |
| F22 | — |
| F23 | Electric steering column lock |
| F24 | Sensing and diagnostic module/ Automatic occupant sensing (Airbag) |
| F25 | Data link connector |
| F26 | — |
| F27 | AC DC inverter |
| F28 | — |
| F29 | Body control module 8 |
| F30 | Overhead console |
| F31 | Steering wheel controls |
| F32 | — |
| F33 | Heating, ventilation, and air conditioning |
| F34 | Central gateway module |
| F35 | Diesel exhaust fluid control |
| F36 | Wireless charger/USB charger |
| F37 | Front accessory power outlets/ Cigarette lighter – China only |
| F38 | OnStar |
| F39 | Display |
| F40 | Obstacle detection |
| F41 | Body control module 1 (with Stop/Start option) |
| F42 | Radio |
| F43 | — |
| F44 | Console accessory power outlet – rear |
| Relays | |
| K1 | — |
| K2 | Retained accessory power |
| K3 | — |
| K4 | — |
| K5 | — |
Engine Compartment
Assignment of the fuses and relay in the engine compartment (2019, 2020, 2021, 2022)
| № | Description |
|---|---|
| 1 | — |
| 2 | — |
| 3 | Antilock brake system pump/Electric brake boost |
| 5 | — |
| 6 | Trunk (Rear closure) |
| 7 | — |
| 8 | Memory seat module |
| 9 | 2019-2020: Electric brake boost/ Pedestrian friendly alert function-HEV |
| 10 | 2019-2020: Automatic occupant sensing/Airbag – HEV |
| 11 | 2019: DC DC battery 1/ Heating, ventilation, and air conditioning blower motor. 2020-2022: DC DC converter 1 |
| 12 | Rear window defogger |
| 13 | Heated mirrors |
| 14 | — |
| 15 | Passive entry/Passive start |
| 16 | Front wiper |
| 17 | Passenger power seat |
| 18 | Antilock brake system valve |
| 19 | Driver power seat |
| 21 | Sunroof |
| 22 | Parking lamp |
| 23 | Automatic headlamp leveling/Adaptive forward lighting |
| 24 | — |
| 26 | Transmission control module/lgnition |
| 27 | Instrument panel/ Body/lgnition |
| 28 | — |
| 29 | Rear vision camera/ Ventilated seats |
| 30 | Malfunction indicator lamp/lgnition |
| 32 | Canister vent solenoid/Evap leak check module |
| 33 | Front heated seat |
| 34 | 2019-2020: Battery system manager/Accessory power module fan – HEV |
| 35 | Body control module 6/Body control module 7 |
| 36 | Fuel module |
| 38 | — |
| 39 | — |
| 40 | Steering column lock |
| 41 | — |
| 43 | Heated steering wheel |
| 44 | Automatic headlamp leveling |
| 45 | — |
| 46 | Engine control module/lgnition |
| 47 | — |
| 48 | Electric brake boost -HEV/ Cooling fan |
| 49 | DC DC battery 2 |
| 50 | — |
| 51 | — |
| 52 | — |
| 53 | — |
| 54 | — |
| 55 | — |
| 56 | Starter motor |
| 57 | Diesel exhaust fluid heater |
| 58 | — |
| 59 | High-beam headlamps |
| 60 | Cooling fan |
| 61 | — |
| 62 | — |
| 63 | — |
| 65 | Air conditioning |
| 67 | — |
| 68 | — |
| 69 | — |
| 70 | — |
| 72 | Starter pinion |
| 74 | — |
| 75 | Engine control module main |
| 76 | Engine control module sense |
| 78 | Horn |
| 79 | Washer pump |
| 81 | Transmission control module/Engine control module |
| 82 | — |
| 83 | Ignition coil |
| 84 | Powertrain on engine |
| 85 | Shunt |
| 86 | Shunt |
| 87 | — |
| 88 | Aeroshutter |
| 89 | — |
| 91 | — |
| 92 | 2019-2020: Traction power inverter moduIe/Motor generator unit pump-HEV/ Transmission oil pump-non HEV |
| 93 | Automatic headlamp leveling |
| 95 | — |
| 96 | — |
| 97 | — |
| 99 | Coolant pump |
| Relays | |
| 4 | — |
| 20 | Rear window defogger |
| 25 | Front wiper control |
| 31 | Run/Crank |
| 37 | Front wiper speed |
| 42 | — |
| 64 | Starter motor |
| 66 | Powertrain |
| 71 | — |
| 73 | Air conditioning |
| 80 | Starter pinion |
| 90 | — |
| 94 | — |
| 98 | Diesel Fuel heater |
Conclusion
For owners and enthusiasts of classic Chevrolet Malibu (2016-2022), understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Chevrolet’s craftsmanship and innovation in the automotive industry during that era.
