Volvo 850 (1994) – Wiring Diagrams
INDEX
General
Contents
How to use the wiring diagram
How to use 1:2
How to use 2:2
Power Supply
Fuses
Ignition switch and central electrical unit
Relays outside the central electrical unit
Connectors
24/1
24/2:1–15
24/2:16–53
24/3:1–25
24/3:26–53
24/4
24/5–24/6
24/7
24/10–24/12
24/13:1–15
24/13:16–53
24/14
24/15
24/16
24/17–24/18
24/19
24/21–24/22
24/25
24/34–24/37
Wiring Harness & Placement
Wiring harness and connectors
Overview, LHD cars
Overview, RHD cars
Harness placement in car
Engine compartment, engine and front harness
Firewall harness and instrument panel harness
Door sill harness, left
Door sill harness, right
Tunnel harness, heated rear seat, power sunroof & roof harness
Door harness and tailgate harness
Ground Connections
1/1 – 31/65
31/4 – 31/65
System Groups
Group 23 / 28 – Fuel & Engine Management
Multiport fuel injection (MFI), LH 3.2 & EZ 129 K (1:2, 2:2)
Multiport fuel injection (MFI), Fenix 5.2 (1:2, 2:2)
Sequential fuel injection (SFI), Motronic 4.3 (1:2, 2:2)
Group 26 – Engine Cooling Fan
Engine cooling fan (EZ 129 K DI) (1:2, 2:2)
Engine cooling fan (Fenix 5.2, Motronic 4.3 SFI) (1:2, 2:2)
Group 27 – Cruise Control
Cruise control (1:2, 2:2)
Group 32 / 33 – Charging & Starting
Charging circuit and starting system (1:2, 2:2)
Group 35 – Exterior & Interior Lighting
High and low beams
High and low beams, DIM-DIP (GB)
Beam width control
Parking, tail & number plate lights (4-door / 5-door)
Brake lights (4-door / 5-door)
Backup (reversing) lights
Rear fog lights
Inside lighting (4-door / 5-door)
Instrument and control lighting
Group 36 – Signals & Accessories
Turn signals / hazard lights (4-door / 5-door)
Horn
Windshield & headlamp wash/wipe
Tailgate wash/wipe
Cigar lighter
Anti-theft alarm (4-door / 5-door)
Group 37 – Diagnostics & Accessories
Electrical circuitry
On-board diagnostics (OBD system)
Pre-routed wiring for accessories
Group 38 – Instruments & Warnings
Bulb malfunction indicator
Seat belt reminder
Seat belt & key reminder (USA, Canada, Korea)
Combined instrument:
VDO (1–4)
Yasaki (1–4)
Clock module / ambient temperature / trip computer
Oil level and oil pressure sensor
Group 39 – Audio
Radio (4-door / 5-door)
Group 43 – Automatic Transmission
AW 50-42 electronically controlled automatic transmission
LH 3.2 & EZ 129 K
Fenix 5.2
Motronic 4.3
P-shift lock
Group 59 – Brakes
ABS brake system and TRACS
Group 83 – Windows & Locking
Power windows
Central locking
Central locking with deadlock
Power sunroof
Group 84 – Mirrors & Heating
Heated rear window and door mirrors
Power door mirrors
Group 85 – Seats
Electrically heated seats
Heated rear seat
Power seat with memory
Group 87 – Climate Control
Heater fan
Manual climate control (MCC)
Electronic climate control (ECC)
Exhaust temperature sensor (Japan)
Group 88 – Safety
SRS Supplemental Restraint System
SRS Supplemental Restraint System (USA / Canada)
Additional
Comments
Component list (fold-out)
Component list 1:3
Component list 2:3