LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2008 >> S80 Base >> Repair and Diagnosis >> Electrical >> Fuses & Circuit Breakers >> Identification >> Engine Compartment
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Compartment

Fig 1: Identifying Engine Compartment Fuse/Relay Block (Fuses F1-F44)
G00487878Courtesy of VOLVO CARS OF NORTH AMERICA.
Engine Compartment Fuse Assignments (Fuses F1-F44)

Fuse No. Module No. Fuse Function Amperage
F1 (11A/1) - Main fuse for Central Electronic Module (CEM) 50
F2 (11A/2) - Main fuse for Central Electronic Module (CEM) 50
F3 (11A/3) 11D/A1-11D/A12 Fuses FA1-FA12 in cargo compartment 60
F4 (11A/4) 11D/B1-11D/B12 Fuses FB1-FB12 in cargo compartment 60
F5 (11A/5) 11D/D1-11D/D7 Fuses FD1-FD7 in cargo compartment 50
F7 (11A/7) 9/42 PTC element 100
F9 (11B/9) 6/1 Wiper Motor Module (WMM) 30
F10 (11B/10) 4/7 Combustion Preheater Module (CPM) 25
F11 (11B/11) 4/31 Fan control module 40
  6/28 Motor, passenger compartment fan --
F13 (11B/13) 4/16 Brake Control Module (BCM) 40
F14 (11B/14) 4/16 Brake Control Module (BCM) 20
F16 (11B/16) 4/118 Headlamp Control Module (HCM) 10
  10/1 Left-hand front lamp housing --
  10/2 Right-hand front lamp housing --
F17 (11B/17) - Fuses F3 & F4 in the Central Electronic Module (CEM) 20
F18 (11B/18) 4/80 Forward Sensing Module (FSM) 5
  7/203 Forward-aimed radar (FLR) --
F19 (11B/19) 4/99 Electronic power steering control module 5
F20 (11B/20) 4/28 Transmission Control Module (TCM) 10
  4/46 Engine Control Module (ECM) --
  4/9 Supplemental Restraint System (SRS) --
F21 (11B/21) 9/43 Heated windshield washer nozzle, left 10
  9/44 Heated windshield washer nozzle, right --
F22 (11B/22) 6/114 Vacuum pump (5 Cyl. T) 20
F23 (11B/23) 3/111 Light Switch Module (LSM) 5
F24 (11B/24) 6/104 High pressure headlight washer motor 15
F25 (11B/25) 9/1 Front 12V outlet 15
  9/25 Rear 12V outlet --
  16/45 Navigation system portable --
  16/109 DVD player/control module --
F26 (11B/26) 3/117 Switch unit, dome light 10
  4/33 Sunroof module --
  6/48 Damper Motor Module (DMM), recirculation --
  6/95 Damper Motor Module (DMM), left-hand side --
  6/96 Damper Motor Module (DMM), temperature, right side --
  6/102 Damper Motor Module (DMM), defroster --
  6/103 Damper Motor Module (DMM), floor/ventilation --
  7/159 Air Quality Sensor (AQS) --
  16/159 Control module, mobile phone handsfree --
F27 (11B/27) 2/31 Unloading relay, 15-feed 5
  2/193 Relay, comfort functions --
F28 (11B/28) 2/64 Relay, auxiliary lights 20
  10/65 Auxiliary light, front right --
  10/69 Auxiliary light, front left --
F29 (11B/29) 2/17 Relay, horn 15
  16/10 Horn 1 --
  16/11 Horn 2 --
F30 (11B/30) 2/32 Main relay, engine management system 10
  4/46 Engine Control Module (ECM) (not 2.4L Diesel) --
F31 (11B/31) 4/28 Transmission Control Module (TCM) 15
F32 (11B/32) 8/3 Electromagnetic clutch, climate control system 15
F33 (11B/33) 2/22 Relay, climate control system 5
  2/239 Relay, coolant pump (8 cyl.) --
F34 (11B/34) 6/25 Starter motor 30
F35 (11B/35) 20/3-8 Spark plug and ignition coil (Gas) 20
  20/12-13 Spark plug with ignition coil (8 cyl.) --
  20/22-20/26 Glow plug (Diesel) 10
F36 (11B/36) 6/120 Throttle body motor 10
  4/46 Engine Control Module (ECM) (6, 8 Cyl., & Diesel) 15
  6/118 Regulator motor, swirl throttle (5 Cyl., T., & Diesel) --
  6/120 Motor, throttle body (5 cyl., Diesel) --
  8/111 Control valve, fuel flow --
  8/98 Control valve, fuel pressure (5 Cyl., T., & Diesel) --
F37 (11B/37) 4/46 Engine Control Module (ECM) 15
  8/6-11 Injectors --
  8/115 Injector --
  8/116 Injector --
  7/17 Mass air flow sensor (MAF) --
F38 (11B/38) 8/3 Electromagnetic clutch climate control system (5 Cyl. T.) 10
  8/28 Turbocharger control valve (5 Cyl., T., & Diesel) --
  8/81 Solenoid, variable valve timing, exhaust (5 Cyl., T.) --
  8/117 Solenoid, variable valve timing, intake (5 cyl. T.) --
  6/143 Regulator motor, turbo (5 Cyl. T., Diesel) --
  8/3 Electromagnetic clutch climate control system (5 Cyl. T., Diesel) --
  8/113 Bypass valve, fuel pressure (5 Cyl. T., Diesel) --
  8/120 EGR valve (5 cyl., Diesel) --
  4/46 Engine Control Module (ECM) (6 cyl.) --
  6/139 Upper actuating motor, intake manifold (6 cyl.) --
  6/140 Lower actuating motor, intake manifold (6 cyl.) --
  8/3 Electromagnetic clutch climate control system (6 Cyl.) --
  8/117 Solenoid, variable valve timing, intake (6 cyl.) --
  8/125 Variable valve lifter, front plane (6 cyl.) --
  8/126 Variable valve lifter, rear plane (6 cyl.) --
  4/46 Engine Control Module (ECM) (8 cyl.) --
  8/3 Electromagnetic clutch climate control system (8 Cyl.) --
  8/19 Solenoid, variable valve timing, intake, bank 2 (8 cyl.) --
  8/81 Solenoid, variable valve timing, exhaust, bank 2 (8 cyl.) --
  8/117 Solenoid, variable valve timing, intake, bank 1 (8 cyl.) --
  8/118 Solenoid, variable valve timing, exhaust, bank 1 (8 cyl.) --
F39 (11B/39) 7/15 Heated oxygen sensor (5 cyl. T.) 15
  7/103 Heated oxygen sensor 3 (5 cyl. T.) --
  8/18 EVAP valve (5 cyl. T.) --
  7/15 Front oxygen sensor, bank 1 (6 cyl.) --
  7/82 Rear oxygen sensor, bank 1 (6 cyl.) --
  7/103 Front oxygen sensor, bank 2 (6 cyl.) --
  7/104 Rear oxygen sensor, bank 2 (6 cyl.) --
  8/18 EVAP valve (6 cyl.) --
  7/15 Front oxygen sensor, bank 2 (8 cyl.) --
  7/82 Front oxygen sensor, bank 1 (8 cyl.) --
  7/103 Rear oxygen sensor, bank 2 (8 cyl.) --
  7/104 Rear oxygen sensor, bank 1 (8 cyl.) --
  8/107 Variable intake valve (8 cyl.) --
  8/118 Solenoid, variable valve timing, exhaust, bank 1 (8 cyl.) --
  7/15 Heated oxygen sensor, front (5 Cyl. T., Diesel) 10
F40 (11B/40) 9/32 PTC resistor, crankcase ventilation (5 Cyl. T., Diesel) 20
  9/38 Heated fuel filter (5 Cyl. T., Diesel) --
  9/47 PTC resistor crankcase ventilation in hose (Diesel) --
  6/73 Coolant pump (8 Cyl.) 10
F41 (11B/41) 6/67 Pump, fuel leakage control (not Diesel & 5-Cyl., T.) 5
F42 (11A/42) 20/22-26 Glow plug 70
F43 (11A/43) 4/121 Coolant fan control module (not 5 Cyl. T.) 50
F44 (11A/44) 4/71 Cooling fan control module 60
Fig 2: Identifying Engine Compartment Battery Fuse Block (Fuses PF1 & PF2)
G00487889Courtesy of VOLVO CARS OF NORTH AMERICA.
Engine Compartment Battery Fuse Assignments (Fuses PF1 & PF2)

Fuse No. Module No. Fuse Function Amperage
PF1 11A/1-11A/7 Fuses F1-F7 in the underhood electrical center 150
  11B/8-11B/14 Fuses F8-F14 in the underhood electrical center --
  11B/16-11B/21 Fuses F16-F21 in the underhood electrical center --
  11B/22-11B/24 Fuses F22-F24 in the underhood electrical center --
  11B/25-11B/27 Fuses F25-F27 in the underhood electrical center --
  11B/28-11B/29 Fuses F28 & F29 in the underhood electrical center --
  11B/30-11B/34 Fuses F30-F34 in the underhood electrical center --
  11B/35-11B/41 Fuses F35-F41 in the underhood electrical center --
  11A/42-11A/44 Fuses F42-F44 in the underhood electrical center --
PF2 6/25 Starter motor 150
  6/26 Alternator Control Module (ACM) --
Fig 3: Identifying Engine Compartment Relay R2 (Horn)
G00487890Courtesy of VOLVO CARS OF NORTH AMERICA.
Engine Compartment Relay R2 (Horn)

Relay No. Module No. Relay Function
R2 2/17 Horn
Fig 4: Identifying Engine Compartment Fuse/Relay Block (Relays R8 & R9)
G00487881Courtesy of VOLVO CARS OF NORTH AMERICA.
Engine Compartment Relay Assignments (Relays R8 & R9)

Relay No. Module No. Relay Function
R8 2/31 15-feed
R9 2/193 Comfort Functions
Fig 5: Identifying Engine Compartment Fuse/Relay Block (Relays R10-R13)
G00487882Courtesy of VOLVO CARS OF NORTH AMERICA.
Engine Compartment Relay Assignments (Relays R10-R13)

Relay No. Module No. Relay Function
R10 2/32 Engine Management System Main Relay
R11 2/239 Coolant Pump (8 cyl.)
R12 2/35 Starter Motor
R13 2/22 Climate Control System