Volkswagen Passat b5 – fuse and relay

Volkswagen Passat B5 is a model of the 5th generation of cars of the Passat family. Produced in 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 and 2005. After the 2001 update, the people received the name Passat B5 + or Passat GP. In this article we will present a designation of the fuses and relays of the Volkswagen Passat B5, complete boxes diagrams with the purpose of the elements and a photo of an example of execution. Separately, we highlight the fuse for the cigarette lighter and the fuel pump.

trade wind b5

The current designation of fuses and relays may differ from the one shown and depends on the equipment and year of manufacture of the vehicle.

Passenger compartment

Fuse box

Located at the end of the dashboard on the driver’s side behind the protective cover.

photo of the Passat B5 block

On the back of the cover there should be an up-to-date fuse assignment diagram or a brochure with a description.

Diagram

Scheme for the Passat B5

Assignment

15A Heated washer nozzles
210A Direction indicators
35A P comfort system, cruise control, climate control, air conditioning, seat heating control modules, day / night light mirror, control module and multifunction steering wheel control unit
45A License plate lighting
510A Instrument panel, heated seats, automatic transmission display, mirror switch, pump Airbag outside temperature gauge, navigation system, parking lights
65A Central locking, reading lamps
710A ABS system or Reversing lights, Speedometer, Vehicle speed sensor
85A Phone
910A Heated mirrors and door locks
105A Headlight range control, CD – changer
115A Cruise control [automatic transmission], instrument cluster
1210A Built-in diagnostics
1310A Stop lights
1410A Interior lighting, reading lamps, anti-theft system, passenger visor mirror
1510A Instrument panel, automatic transmission, air conditioning, navigation system
165A ABS system
1710A Heated door locks
1810A Right high beam
1910A Left high beam
2015A Right low beam, headlight corrector
2115A Left low beam, headlight corrector
225A Right side lights
235A Left side lights
2425A Windshield wipers, washer pump. Wiper breaker relay
2530A Heater fan, air conditioner
2630A Heated rear window, heated mirrors, air recirculation
2715A Rear wiper
2815A Fuel pump
2915A Engine management
3020A Electric sunroof
3120 / 15А Reversing lights, cruise control, automatic transmission, diagnostic socket
3220A Engine management
3315A Cigarette lighter fuse
3415A Engine management (ignition / injection)
3530A Trailer socket
3615A Fog lights
3715A Telephone, radio
3815A Adjustment of mirrors. Remote unlocking of the fuel filler flap. Window lifters. Central locking.
3915A Emergency lighting (emergency gang)
4025A Signal
4125A ABS system (hydro modulator / pump) or additional cigarette lighter
4240A Auxiliary Air Fan 25A Radio
435A S-pin 10A Motor controls
4430 / 15A Heated seats

Fuse number 33 at 15A is responsible for the cigarette lighter. And for the gas pump – 28 to 15A. Recall that several more elements are also responsible for the fuel supply.

Main relay box

It is located under the dash on the driver’s side, not far from the steering rack.

arrangement of relay blocks

Diagram

Main relay box

Decoding R

I
Horn relay
II
Intermediate relay contact X
III
Wiper relay
IV
Fuel pump
relay Glow plug relay
V
Free
VI
Free
A
Fuse
B
Fuse

Decoding Z

1
Radiator Fan Relay (Air Conditioning)
2
Clutch relay
3
Magnetic Clutch Relay (Air Conditioning)
4
Air conditioner relay
5
Fuel pump relay for diesel engines
6
External lighting relay
Taxi equipment
7
Headlight relay
8
Glow plug relay
9
Free
10
Fog lamp relay
11
Communication relay
12
Starter relay
13
Starter lock relay

Additional relay box

Installed on cars with an increased level of electrical equipment and is called eight – pin. Located behind the main relay box.

Photo for example

additional 8-pin relay block Passat B5

Diafram

z8 - schematic

Designation

1
Free
2
Relay ABS / EDS / ESC
3
Relay ABS / EDS / ESC
4
Fan relay 80 W
Fan relay 300 W, 1 stage
5
Fan relay for maximum speed
6
Fan relay 300 W, stage 2
A
Fan fuse, 5A
B
Fan fuse, 30A
C
Hydraulic pump fuse, 50A

Engine compartment

Located under the protective cover, next to the control box.

Photo for example

block under the hood

Diagram

block diagram under the hood

Relay designation

  1. Motronic Engine Control Module Power Relay (167), engine code BDP
  2. Secondary air pump relay (AIR) (373), (100)
  3. Motronic Engine Control Module Power Supply (429), (219) / Auxiliary Coolant Pump Relay (EC) (53), (411)

Purpose of fuses

B10A Fuse for injectors (S116)
B5A Auxiliary engine coolant pump fuse
D50A Secondary air pump fuse (S130)
E40A Fuse for ignition coil terminal (S115)
F5A Fuse for engine control module (ECM) (S102)
G10A Fuse for engine electronics (S282)

That’s all, we hope that this material was useful to you. And if you have any questions, write them in the comments.

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