Renault LAGUNA Manual

RENAULT LAGUNA wiring diagrams
Key to circuits
Diagram 1 Information for wiring diagrams
Diagram 2 Starting, charging, Diesel fuel shut-off, engine cooling fan
Diagram 3 Diesel fuel heater, pre and post heating
Diagram 4 Turbo Diesel pre and post heating, ABS
Diagram 5 Automatic transmission, air bag/pretensioners, variable power steering
Diagram 6 Fuel injection Bosch monopoint
Diagram 7 Fuel injection (Bendix Siemens MPi)
Diagram 8 Instrument cluster
Diagram 9 Instrument cluster
Diagram 10 Speed sensor, clock/external temperature gauge, heater blower
Diagram 11 Rear wash/wipe, headlight washer, sidelights and headlights
Diagram 12 Heated front/rear screen, heated washer jets, windscreen wash/wipe
Diagram 13 Stop, reversing,fog and direction indicator lights
Diagram 14 Headlight levelling, interior lighting,glove box and boot light
Diagram 15 Rheostat interior lighting, audio system, central locking
Diagram 16 Electric mirrors and windows

H31764
Bulb
Switch
Fuse/fusible
link and rating
Item no.
Pump/motor
Earth and location
(via lead)
Resistor
Variable resistor
Diode
Internal connection
(connecting wires)
Gauge/meter
Wire splice or connector
Connections to other
circuits. Direction of
arrow denotes current
flow.
Solenoid actuator
Multiple contact
switch (ganged)
Wire colour
(Red wire/white tracer )
Denotes alternative wiring
variation (brackets)
Screened cable
Light emitting diode
(LED)
F24 30A
M
High beam
warning light
Diagram 3, Arrow A
A
R/W
{
15
F1 20A Cooling fan
F2 25A Horn
F3 15A RH main beam
F4 15A LH main beam
F5 10A Reversing light (automatic transmission)
F6 10A Clock/radio and memory units, electric mirrors, alarm
F7 25A Front wiper park position
F8 15A Direction indicators and hazard warning light
F9 25A Windscreen wiper
F10 15A Instrument panel, air bag, pretensioners, alarm, memory seats
F11 25A Central locking
F12 30A +ve supply after ignition switch
F13 5A Variable power steering
F14 5A ABS
F15 5A Automatic transmission
F16 15A RH dipped beam headlight
F17 15A LH dipped beam headlight, headlight levelling
F18 15A Stop lights, cruise control, flasher unit, bulb failure unit
F19 20A Heated seats
F20 20A Rear screen wiper, heated front/rear screen, reversing lights, lights on buzzer,
heater controls
F23 15A Variable shock absorbers
F24 10A Clock, display illunination, alarm, memory seats
F25 10A Rear fog light
F26 20A Radio, heater controls, cigar lighter
F27 25A Memory seats
F28 25A Front fog lights
F29 15A Boot and interior lights
F30 5A Injection
F31 10A Heated mirrors
F32 30A Sunroof
F33 5A Radio telephone
F34 10A LH side light, lights, bulb failure unit
F35 40A Heated rear screen
F37 40A Air conditioning
F38 40A Driver’s electric window
F39 40A Passenger’s electric window
F40 40A Power passenger seat
E1 Below RH rear light cluster
E2 Below LH rear light cluster
E3 Below LH rear light cluster
E4 RH driver’s inner sill
E5 LH passenger’s front inner sill
E6 LH passenger’s rear inner sill
E7 RH side engine (petrol)
LH side engine (Diesel)
E8 Front of engine compartment’
below LH headlight
Diagram 1 Information for wiring diagrams
Diagram 2 Starting, charging, Diesel fuel shut-off,
engine cooling fan,
Diagram 3 Diesel fuel heater, pre and post heating
Diagram 4 Turbo Diesel pre and post heating, ABS
Diagram 5 Automatic transmission, air bag/pretensioners,
variable power steering
Diagram 6 Fuel injection Bosch monopoint
Diagram 7 Fuel injection (Bendix Siemens MPi)
Diagram 8 Instrument cluster
Diagram 9 Instrument cluster
Diagram 10 Speed sensor, clock/external temperature gauge,
heater blower
Diagram 11 Heated front/rear screen, heated washer jets,
windscreen wash/wipe
Diagram 12 Rear wash/wipe, headlight washer, sidelights
and headlights
Diagram 13 Stop, reversing,fog and direction indicator lights
Diagram 14 Headlight levelling, interior lighting
Diagram 15 Rheostat interior lighting, audio system,
central locking
Diagram 16 Electric mirrors and windows
E1
Fuse Rating Circuit protected
15 Ignition switch 'ignition' position
15 Ignition switch 'ignition' position
30 Battery +ve
31 Earth
50 Ignition switch 'start' position
85 Relay winding input
86 Relay winding earth
87 Relay output
87a Relay output
D+ Charge warning light
Box shape denotes part
of a larger component
30 Terminal identification
(i.e. battery +ve)
A10 Connector pin number
30 A10
F51 60A Accessory cut-off shunt
F52 60A + battery passenger compartment
F53 60A + ignition switch
F54 60A After ignition relay
F55 40A RH cooling fan
F56 40A LH cooling fan
F57 30A ABS
F58 40A Headlight washers
F60 30/70A Fuel injection (30A), Diesel pre-heating (70A)
F65 70A Heated windscreen relay
Fuse Rating Circuit protected
Diagram 1RENAULT LAGUNA wiring diagrams
Key to symbols Earth locations Key to circuits
Typical passenger compartment fuse box
Terminal identification
Typical engine compartment fuse box

F53
60A
RG RG
H31765
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
5 Starter motor
6 Alternator
7 Starter relay
8 Diesel fuel shut-off valve
1
NO
Typical starting system
(manual transmission)
M
F53
60A
B1 B2 A2
2
A1
BA
RG RG
Typical starting system
(automatic transmission) Typical charging system
1
NO
1
NO
M
F53
60A
B1 B2 A2
2
A1
RG RG
5
2
1
3
4
BA
RG
BA
Automatic
transmission
Diagram 5, Arrow A
A
MA
F12
30A
B1 B2 A2
2
A1
JA
21
JA
MA
B
Alternator
warning light
Diagram 8/9, Arrow B
F53
60A
RG RG
Typical Diesel fuel shut-off
1
NO
F12
30A
B1 B2 A2
2
A1
JA
JA
F53
60A
RG RG
1
NO
F1
20A
JA/RG
B1 B2 A2
2
A1
M
2
1
NO
1
2
BA
JA
JA/RG
Typical twin speed cooling fanTypical single speed cooling fan
(automatic transmission)
Typical single speed cooling fan
(manual transmission)
F53
60A
RG RG
1
NO
F1
20A
M
2
1
NO
1
2
JA
JA/RG
B1 B2 A2
2
A1
JA/RG
NO
BA
MA
F55
40A
5
2
1
3
4
F53
60A
RG
1
NO
F1
20A
M
2
1
NO
2
4
JA
JA/RG
B1 B2 A2
2
A1
JA/RG
F56
40A
RG
RG
F55
40A
1
RG/MA
87
85
86
30
RG/MA
NO
RG/MA
87
85
86
30
JA JA JA
RG/MA
JA/MA
NO
9 Cooling fan switch (single temperature)
10 Cooling fan switch (dual temperature)
11 Cooling fan motor
12 Cooling fan relay
13 Cooling fan 1st speed relay
14 Cooling fan 2nd speed relay
15 Cooling fan resistor
3
333
44
3
43
4
4
3
7
5
5
6
8
9
11
11
9
12
10
15
11
14
13
C
Tachometer
(Diesel only)
Diagram 8/9, Arrow C
VEVE/NO
Diagram 2
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

F12
30A
H31766
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
17 Fuel filter heater
18 Fuel heater temperature switch
19 Preheater unit
Typical Diesel fuel filter heater
F53
60A
RG RG
1
NO
B1 B2 A2
2
A1
JA
3
4
E7
JA
NO/JA
NO
1
2
B
A
BA
Typical pre/post heating
(Diesel without EGR)
F12
30A
F53
60A
RG RG
1
NO
JA
3
4
JA
F60
70A
RG
B1 B2 A2
2
A1
BA
B2
MA/VI
B1
JA/VI
JA/VE
B1
C1
JA/VI
SA
1 2
BA
BA/RG
1
BA
3
2
4
BA/VE
A3
VE
C2
21
NO/RG
E7
NO
NO
NO/OR
C3 VI
VE
12
JA/RG
A1 BJ/RG
NO
5
2
1
3
4
BJ
VE
VEC1
A1
A2
B1
C2
B2
C1
A2 BA
BA
JA/VI
BJ/RG
Preheater
warning light
Diagram 8, Arrow D
BJ
B3
D
BJ/RG
20 Glow plugs
21 Pump unit
a = advance/retard valve
b = EGR switch
c = throttle position switch
d = pump advance solenoid
22 Altitude relay
23 Altitude capsule
24 Coolant temperature sensor
25 Fast idle solenoid valve
26 Clutch pedal switch
27 EGR timer relay
28 EGR temperature switch
29 EGR valve
18
17
19
20
24 25
21
22
23
a
b
c
d
Typical pre/post heating
(Diesel with EGR)
NO
F12
30A
F53
60A
RG RG
1
NO
JA
3
4
JA
F60
70A
RG
B1 B2 A2
2
A1
BA
B2
MA/VI
B1
JA/VI
JA/VE
B1
C1
JA/VI
SA
1 2
BA
BA/RG
1
BA
3
2
4
BA/VE
A3
VE
C2
21
NO/RG
E7
NO
NO
NO/OR
C3 GR
VE
JA/RG
A1 BJ/RG
NO
BJ
VE
VEC1
A2 BA
BA
JA/VI
BJ/RG
Preheater
warning light
Diagram 8, Arrow D
BJ
B3
D
BJ/RG
19
20
24 25
21
22
23
NO
A1
A2
B1
B2
C2
C1
a
b
c
d
5
2
1
3
4
5
2
1
4
BA/VE
NO
3
1
BA
NO
NO
E4
NO
2
1
BA/VE
SA
12
21
VE
MA/VE
MA/VE
NO
NO
29
26
28
27
Diagram 3
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

BA
H31767
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
19 Preheater unit
20 Glow plugs
21 Pump unit
a = advance/retard valve
d = pump advance solenoid
24 Coolant temperature switch
25 Fast idle solenoid valve
27 EGR relay
29 EGR valve
32 Throttle potentiometer
33 Speed threshold sensor
34 Diagnostic socket
35 Air temperature sensor
36 ABS auxiliary relay
F12
30A
F53
60A
RG RG
1
NO
JA
3
4
JA
F60
70A
B1 B2 A2
2
A1
BA A2
BA/MA
1 2
BA
BA/RG
1
BA
3
2
BA/VE
19
20
4
5
2
1
3
4
JA/GR
E7
NO
RG
RG/VE
RG
RG
A4 BA
BA
C3
2
1
BA/VE
VE
Typical pre/post heating
(Turbo Diesel)
1
2
B1 MA OR
NO
Preheater
warning light
Diagram 8, Arrow D
BJ
D
BJ/RG
C1
C4
B2 VE
GR
VE
C1 BJ
A3 NO
Adaptive damping
A1
C2
BA/RG VE
1110
BA
VI 21
B2
B3
A2
BJ 12
OR/MA
OR
BA
AB
321
B4
A3
A4
RG
A1
C3
VI
BA
NO
VI
VE
24
29
25
ad
27
32
33
21 34
35
NO
F18
15A
F53
60A
RG
RG
1
NO
3
4
F57
30A
F57
30A
JA
B1 B2 A2
2
A1
F14
5A
5
2
1
3
4
RG
NO
15
30
1
2NO
BA
6
1
1
2NO
BA
19
28
1
2NO
BA
31
29
1
2NO
BA
11
10
34
27
5
VE
SA
BA
10
36
BA
VI
10
13
12
11
7
14
4
5
6
3
22VI
JA
2
13
JA/BE
33JA/BE
Typical
anti-lock brakes
JA
JA/BE
2
1
11 NO
8
7
3
VI
MA
VI
NO
NO
24 31
M
8
7
1
2
13
14
15
9
10
6
11
12
3
4
5
RG
RG/VE
RG
RG/VE
JA
JA JA
RG/VE
RG
32 OR
VI
VI
MA
37
13
GR
GR
GR
GR
OR
BJ
BJ
BJ
24 NO
NONO
BA
OR
BJ
OR/MA
BA
VE
MA
BJ
BJ
OR/MA
OR
BA
GR
BJ
BJ/MA
BJ/MA
BJ/MA
BJ/VE
BJ/VE
BJ/VE
16 MA
MA/BA
MA
ABS
warning light
Diagram 8/9, Arrow E
E
37 ABS connection plate
a = ABS main relay
b = ABS pump relay
38 ABS hydraulic unit
39 ABS soleniod valve unit
40 Pedal travel sensor
41 Wheel sensor
42 ABS ECU
43 Stop light switch
36
41
40
39
42
38
37
41
41
41
a
b
43
Diagram 4
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31768
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
34 Diagnostic socket
43 Stop light switch
46 Auto. trans. control unit
47 Auto. trans. ECU
F18
15A
F53
60A
RG
1
NO
3
4
JA
B1 B2 A2
2
A1
JA
2
13
JA/BE
43
F15
5A
JA/BE
JA
RG
A2
C1JA
A3OR BA
C2
JA/VE JA
Reversing lights
Diagram 13, Arrow G G
B1VI
VE/OR
Auto. trans.
warning light
Diagram 8/9, Arrow F
F
C6OR
VI/RG
C
Tachometer
Diagram 6/7, Arrow C
A2BE
VE/NO
A
Starter relay
Diagram 2, Arrow A C3MAMA
7
1
8
B6VI/BA
B5SA
A1
JA/BE
BE
C2 GR
B2 VE
C1 MA
B1 RG
A1 SA
BA
RG
SCREEN
C1
B1
A1
GR
SCREEN
BE
NO
+
-
C1
B1
A1
A2
C1
B1
A1
JA
BA
RG
C3
B1
B2
B3
B4
C2
C4
A2
A1
2
8
6
5
3
4
7
1
11
9
a
b
E4
NO
A4
B2
2 1
MA/OR VE
2 1
BJBJ
VI
NO
Interior illumination
Diagram 12, Arrow i
i
BE
B1
B3
A1
B2
Typical automatic
transmission
48 Line pressure sensor
49 Throttle potentiometer
50 Speed sensor
51 Multifunction switch
52 Kick down switch
53 Shift speed control switch
54 Selector light
55 Airbag control unit
34
54
53
52
47
46
49
50
48
51
JA
+
-
sig
F53
60A
RG
1
NO
3
RG
Typical air bag
and seatbelt
pretensioner
F10
15A
4
B1 B2 A2
2
A1
JA
2
1
3
Airbag warning light
Diagram 8/9, Arrow H
H
VI/GR
NO
1
2
2
1VI/SA
VI/BA
1
2
2
1VI/BJ
VI/JA
1
2
1
2
VI
VI/BA
VI
VI/BA
1
2
VI/BA
VI
2
1
4
3
F53
60A
RG
1
NO
3
RG
Typical variable
power steering
4
B1 B2 A2
2
A1
JA
F13
5A
E5
B7NO
B3
Service warning light
Diagram 9, Arrow j jSA/RG
Speed sensor
Diagram 10, Arrow K KMA/VE B1
34 11
10 A2
A1
VE BA BA/VE
BA OR OR/NO
JA A7JA/VE
A3
C1B1A1
JA
E7
NO
VE
OR/VE
A
B
A5
A6
SA/VE SA
SA VE
56 Driver’s airbag/cruise control switch
57 Passenger’s airbag
58 Driver’s seatbelt pretensioner
59 Passenger’s seatbelt pretensioner
60 Power steering ECU
61 Power steering speed sensor
62 Power steering motor
58
59
55
57
56
60
61
62
JA/BE
Diagram 5
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31769
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
34 Diagnostic socket
65 Fuel injection ECU
66 Oxygen sensor
67 Ignition power module
68 Fuel pump relay
69 Injection locking relay
70 Fuel pump
71 Crankshaft sensor
72 Canister purge solenoid valve
73 Coolant temperature sensor
74 Knock sensor
75 MAP sensor
76 Throttle body
a = throttle potentiometer
b = idle speed regulator
c = fuel injection
d = air temperature sensor
Typical fuel injection
(Bosch monopoint)
F53
60A
RG
1
NO
F51
60A
RG
F60
30A 3
4
F30
5A
F12
30A
RG
JA
RG
B1 B2 A2
2
A1
5
2
1
3
4
RG
6MA/BA
20JA
JA/BE
MA/BA
JA
30
JA/RG
JA
M
C1
C2
E3
NO
BA
BA
35
MA/VE
E7
NO 1
2NO/BA
NO
MA/VE
MA/BA
JA
JA/RG
Fuel injection
warning light
Diagram 19, Arrow L
L13BJ BJ/VI
Speed sensor
Diagram 10, Arrow K
K
3MA
12
VE
VE/NO
MA
Tachometer
Diagram 5/8/9, Arrow C C
34
RG/VERG
RG/VE RG/NO 4
8VE
18
MA
5
2
1
3
4
VE
MA
RG
BA
19
BA/VE
7
BA/RG
B
AB
JA
NO
27
VE/OR
VI 17
9VI/RG
25
SA/BE
23
SA/NO
24
SA/VE
16
OR
21
BJ
14
BA
A
C
BOR/BE 33
VI/RG
OR
31
GR/RG
32
BA/GR
GR
12
GR/BA
BA/GR
21
GR 15BA/RG
BA/RG
BA/RG
VE/OR
JA
11
28
B
AVE/NO
VI/OR
8
6
9
2
4
1
2
M
2
1
3
4
32
14
NO/OR
NO/OR
NO/JA
NO/JA
26
Trip computer
Diagram 9, Arrow M MVE/JA
Air conditioning
Air conditioning
22
34
MA/VI
OR/BA
VE/JA
BA
BA
BA
BA 5
VI/VE
67
69
71
68
66
A
C
B65
76
75
70
73
74
72
a
b
c
d
BA
MA/VE
Diagram 6
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31770
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
34 Diagnostic socket
65 Fuel injection ECU
66 Oxygen sensor
67 Ignition power module
68 Fuel pump relay
69 Injection locking relay
70 Fuel pump
71 Crankshaft sensor
72 Canister purge solenoid valve
73 Coolant temperature sensor
74 Knock sensor
75 MAP sensor
77 Throttle potentiometer
78 Idle speed regulator
79 Air temperature sensor
80 Power steering pressure switch
81 Fuel injectors
Typical fuel injection
(Bendix Siemens MPi)
F53
60A
RG
1
NO
F51
60A
RG
F60
30A 3
4
F30
5A
F12
30A
JA
RG
B1 B2 A2
2
A1
5
2
1
3
4
RG
6
MA
JA
30
JA/RG
JA
M
C1
C2
E3
NO
MA
35MA
E7
NO 1
2NO/BA
NO
JA
JA/RG
Fuel injection
warning light
Diagram 8/9, Arrow L
L13
BJ
Speed sensor
Diagram 10, Arrow K K
3MA
12
VE
VE/NO
MA
Tachometer
Diagram 5/8/9, Arrow C C
34
RG/VERG
RG/VE RG/NO 4
8
18MA
5
2
1
3
4
JA/RG
MA
RG
19
7
BA
B
AB
JA
NO
27
VE/OR
31GR/RG
32
MA
12
GR/BA
MA
21
BA 15BJ
VE/OR
11
28
B
AVE
VI
8
6
9
2
NO
26
Trip computer
Diagram 9, Arrow M M
VE/RG
Air conditioning
Air conditioning
23
34
MA
OR
VE/RG
BA
BA
OR 5
VI
67
69
71
68 66
A
C
B
65
70
73
74
72
BJ
JA/RG
BA
JA
NO
MA MA
GR
21 24
OR
21
OR
21
BA/BE
21
BA/RG
21
BA/NO
BA/OR
21VIVI
BJ
20
BJ
SASA
BJBJ
SA
21 14
BA
VI
OR
A
C
BOR 33
75
MA
OR
16
OR/VE
BA/RG
VI 17
BAC
9VIVI
OR
OR
OR/VE
OR
OR/VE
JA
30BA
MA
JA
BA
81
77
80
78
79
Diagram 7
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31771
1 Battery
2 Ignition switch
3 Engine compart. fuse box
4 Passenger compart. fuse box
85 Instrument cluster
a = fuel gauge
b = control unit
c = low fuel tell-tale
d = analogue clock
e = coolant temperature gauge
f = airbag tell-tale
g = heated seat tell-tale
Typical instrument cluster
(models without tachometer)
A10 A13 A12 A11
A9 A8 A7 A6 A5 A3 A2 B1 B2 B3 B9
B12 B13 B16 B17 B18
c1
B21 B20 B19 B22
c1
c1
c1
c1
b1a1zyxwvutsrqponmlkjihgf
B28
B10
e
A30
c
B15
B7
B23
bd
a
h = high coolant temp. tell-tale
i = seatbelt tell-tale
j = preheater tell-tale
k = low washer tell-tale
l = pad wear tell-tale
m = RH indicator tell-tale
n = low brake fluid tell-tale
o = handbrake tell-tale
p = ABS tell-tale
q = service tell-tale
r = stop tell-tale
s = injection tell-tale
E5
NO
Rear foglight
Diagram 13, Arrow R
SA
Interior lighting
Diagram 15, Arrow P
P
VI
R
t = auto. trans. tell-tale
u = LH indicator tell-tale
v = alternator tell-tale
w = low oil pressure tell-tale
x = cat temp. tell-tale
y = main beam tell-tale
z = dipped beam tell-tale
a1 = front foglight tell-tale
b1 = rear foglight tell-tale
c1 = instrument illumination
d1 = low oil level tell-tale
e1 = oil level gauge
Rear foglight
Diagram 13, Arrow S
S
VI
Dipped beam
Diagram 12, Arrow T
T
VE
Main beam
Diagram 12, Arrow U
U
BA/NO
BA/VE
BA
Alternator
Diagram 2, Arrow B
MA
MA
LH indicator
Diagram 13, Arrow O
O
VI/JA
Engine management
Diagram 6/7, Arrow L
Auto. trans.
Diagram 5, Arrow F
F
VI/RG
VI/JA
VI/RG
L
B
BJ BJ
ABS
Diagram 4, Arrow E E
MA
MA
VE/GR
1
2
NO
GR
RH indicator
Diagram 13, Arrow N
N
SA
SA
SA/BJ
SA
SA/GR
1
2
OR
Diesel preheater
Diagram 3/4, Arrow D D
BJ/RG BJ/RG
MA/VI
NO
Heated seats
VI/VE
VI/VE
Airbag
Diagram5, Arrow H H
VI/GR
VI/GR
OR
MA/VI
VI/VE
VI/GR
OR/BA
F53
60A
RG RG
1
NO
F10
15A
B1 B2 A2
2
A1
JA
3
4
OR/BA
VE/BA
MA
MA/BA
OR
OR/NO
JA
E6
NO
F51
60A
B1
A1
A2
F6
10A
RG
RG
JA
Typical instrument cluster
(models with tachometer)
A10 A13 A12 A11
A9 A8 A7 A6 A5 A3 A2 B1 B2 B3 B9
B12 B13 B16 B17 B18
c1
B21 B20 B19 B22
d1
e1
f1
g1
b1a1zyxwvutsrqponmlkjihgf
B28
e/e1
c
B15
B7
B23
b
a
E5
NO
Rear foglight
Diagram 13, Arrow R
SA
Interior lighting
Diagram 15, Arrow P
P
VI
R
Rear foglight
Diagram 13, Arrow S
S
VI
Dipped beam
Diagram 12, Arrow T
T
VE
Main beam
Diagram 12, Arrow U
U
BA/NO
BA/VE
BA
Alternator
Diagram 2, Arrow B
MA
MA
LH indicator
Diagram 13, Arrow O
O
VI/JA
Engine management
Diagram 6/7, Arrow L
Auto. trans.
Diagram 5, Arrow F
F
VI/RG
VI/JA
VI/RG
L
B
BJ BJ
ABS
Diagram 4, Arrow E E
MA
MA
VE/GR
1
2
NO
GR
RH indicator
Diagram 13, Arrow N
N
SA
SA
SA/BJ
SA
SA/GR
1
2
OR
Diesel preheater
Diagram 3/4, Arrow D D
BJ/RG BJ/RG
MA/VI
NO
Heated seats
VI/VE
VI/VE
Airbag
Diagram 5, Arrow H H
VI/GR
VI/GR
OR
MA/VI
VI/VE
VI/GR
OR/BA
F53
60A
RG RG
1
NO
F10
15A
B1 B2 A2
2
A1
JA
3
4
OR/BA
MA
MA/BA
OR
OR/NO
JA
B1 A1 A2
B10
A28
B30 B29
NO
E6
f1 = tachometer
86 Oil pressure switch
87 Handbrake switch
88 Low brake fluid switch
89 LH pad wear sensor
90 RH pad wear sensor
91 Low washer fluid switch
92 Coolant temperature sensor
93 Oil level sensor
94 Fuel gauge sender unit
bb
f1 d1
21
Engine management
Diagram 2/5/6/7, Arrow C
C
VE/NO
VE/RG
MA VI/JA
85
86
87
88
90
8991
92
92
91 89
90 88
87
86
94
94
85
Diagram 8
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

OR/NO
H31772
1 Battery
2 Ignition switch
3 Engine compart. fuse box
4 Passenger compart. fuse box
34 Diagnostic socket
85 Instrument cluster
86 Oil pressure switch
Typical instrument cluster
(models with on-board computer)
88 Low brake fluid switch
89 LH pad wear sensor
90 RH pad wear sensor
91 Low washer fluid switch
92 Coolant temperature sensor
93 Oil level sensor (Diesel)
94 Fuel gauge sender unit
A1
A2
A3
A5
A6
A7
A8
A9
A11
A12
A13
A26
A23
A22
A20
A19
A18
A17
A16
A10
A14
A15
A28
B7
B18
B1
B3
B2
B4
B10
B21
B6
B9
B12
B13
B14
B16
B17
B19
B22
B20
B8
B28
B29
B30
B27
B15
C1
C2
C3
C4
C5
C6
C7
C9
C10
C11
C12
C13
C14
C15
E6
NO
NO
E5
F53
60A
RG RG
1
NO
F10
15A
B1 B2 A2
2
A1
JA
3
4
F51
60A
F6
10A
RG
JA
RG
Variable power
steering
Diagram X, Arrow B
A
SA/RG
Engine management
(warning light)
Diagram X, Arrow B
A
BG
Auto. trans.
Diagram X, Arrow B A
VI/RG
LH indicator
Diagram X, Arrow B A
VI/JA
Alternator
Diagram X, Arrow B A
MA
BA/VEBA
Main beam
Diagram X, Arrow B A
BA/NOBA/NO
A
Dipped beam
Diagram X, Arrow B
VEVE
A
Rear foglight
Diagram X, Arrow B
VIVI
A
Rear foglight
Diagram X, Arrow B
SA SA
BG
Filament
failure unit BA/NO
VE/BA
VI
Speed sensor
Diagram X, Arrow B A
MA/BA
A
Engine management
(fuel flow signal)
Diagram X, Arrow B
VE/JA
VE/NO
A
Alternator (Diesel)
Diagram X, Arrow B
A
Engine management
(petrol)
Diagram X, Arrow B }
VE/NO
JA
RG
B1
A1
A2
MA MA/BA
OR OR/NO
MA/VIMA/VI
OR/BAOR/BA
ABS
Diagram X, Arrow B
A
MA MA
1
2
NO
88
GRGR
VE
VI
Interior lighting
Diagram X, Arrow B A
Interior lighting
Diagram X, Arrow B AJA
RH indicator
Diagram X, Arrow B A
SA
NO
SA/BJ
SA
89 90
1
2
NO
SA/GR SA/GR
OROR
Diesel pre-heater
Diagram X, Arrow B ABJ/OR
Heated seats
Diagram X, Arrow B A
VI/VE
Airbag
Diagram X, Arrow B AVI/GR
2
1
2
1
B1
A
B2
VE
MA/BA
VE
VI/JA
MA
GR
MA
OR
VI
VE/RG
BA/BE
OR/BE
Voice synthesizer
VE/NO
10
11
SA
VI/VE
SA/VE
SA/NO
OR/NO
OR
VI
BA/RG
BA
VE
VI/JA
VE/RG
95 Oil temperature sensor (Diesel)
96 Combined oil level/temperature
sensor (petrol)
85
86
94
91 92
93
95
96
34
Diagram 9
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31773
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
100 Speed sensor
101 Combined lighting/horn switch
102 Cigar lighter
F53
60A
RG RG
Typical speed sensor
1
NO
F12
30A
B1 B2 A2
2
A1
JA
34
JA/VI
ABC E6
NO
MA
Trip computer
Diagram 6, Arrow K
MA
Instrument cluster
Diagram 9, Arrow K
MA/BA
Boot open/close unit
MA/BE
Variable power steering
Diagram 5, Arrow K
MA/VE
Variable damping
SA
F53
60A
RG RG
1
NO
F24
10A
3
4
F51
60A
F6
10A
43
RG/BA
B1
B2
B3
A1 A2
A3
JA/BE
RG
Interior lighting
Diagram 15, Arrow W
A
BE
Interior lighting
Diagram 15, Arrow V
V
E5
NO
NO/RG NO
BABA
JA
Typical clock
and external
temperature gauge
Typical horn and
cigar lighter
B
A
B
A
NO
NO
NO
BA
BA
NO
Interior lighting
Diagram 12, Arrow I
i
3
1
JA/RG
F53
60A
RG RG
1
NO
3
F51
60A F2
25A
F26
20A
BE
BA/RG
B1 B2 A2
2
A1
JA/RG
RG
B6
A4
BA
RG
B2
B5
B4
A3
B1
A2
B2
A3
A1
B3
B1
B2
A3
B1
A2
A1
B4
B2
A4
A3
A1
87
85
86
30
M
Typical heater
blower
E5
A7
87
85
86
30
NO
NO
VE
BE
BA
JA
RG
K
K
K
B1 B2 A2
2
A1
JA/RG
RG
NO
Heated windscreen
Diagram 11, Arrow X X
Interior illumination
Diagram 15, Arrow W
OR
BE/BA
W
Interior illumination
Diagram 12, Arrow i iBE
Heated rear window
Diagram 11, Arrow Y YMA
F53
60A
RG RG
1
NO
F26
20A
3
4
F51
60A
F37
40A
B1 B2 A2
2
A1
JA/RG
RG
JA/BE
RG
RG/VI
RG
4
103 Horn
104 Clock and external temperature gauge
105 Passenger side electric mirror
106 Heater blower motor
107 Heater switch
108 Heater resistor unit
100
101
102
103
103
104
105
106
107
108
Diagram 10
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31774
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
110 Heated rear window relay
111 Ignition relay 1
112 Heated rear window
Typical heated
rear screen
F53
60A
RG RG
1
NO
3
F54
60A F35
40A
F20
20A
B1 B2 A2
2
A1
JA
4
RG
RG
JA
NO
5
2
1
3
4
RG
Heater
Diagram 10, Arrow Y
Y
MA
E3
NO
BA
111
112
Typical heated windscreen
F53
60A
RG
RG
1
NO
3
F54
60A
F20
20A
B1 B2 A2
2
A1
JA
RG
RG
JA
NO
5
2
1
3
4
RG 111
F65
70A
JA
OR
Heater
Diagram 10, Arrow X
X
5
1
2
3
4
RG/BE
RG/BE
RG
RG
RG
RG
113 Heated windscreen relay
114 Heated windscreen
115 Heated washer jet
116 Windscreen wiper timer
117 Wash/wipe combination switch
118 Front wiper motor
119 Front/rear washer pump
113
114
F31 10A 5
2
1
3
4
Driver’s heated
mirror
Diagram 16, Arrow Z
Diagram 16, Arrow A1
Passenger’s heated
mirror
Z
OR
A1
MA/BA
Typical heated washer jets
F53
60A
RG RG
1
NO
3
F54
60A
F20
20A
B1 B2 A2
2
A1
JA
RG
NO
5
2
1
3
4
RG
111
NO
NO/RG
NO
JA/BE
JA
4
Typical windscreen wash/wipe
F53
60A
RG
RG
1
NO
3
F54
60A
F52
60A
RG
JA
NO
111
B1 B2 A2
2
A1
4
F7
25A
RG RG
F9
25A
5
2
1
3
4
RG
E4
NO
GR RG NO
4
BA
VE/JA
JA
BA
VE/JA
SA/VE
BJ
NO
GR
2 8 1
54 6
A2
A3
A1
A7
A6
B4
B2
B5
B1
A4
MA/VI
MA/VI
M
B1
A1
MA
OR
BA
BA/RG
JA
115 115
117
116
118
119
M
A1 B1 A2 C1
C2
110
Diagram 11
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31775
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
101 Combined lighting/horn switch
110 Heated rear window relay
111 Ignition relay 1
117 Wash/wipe combination switch
119 Front/rear washer pump
120 Rear wiper timer relay
121 Rear wiper motor
122 Headlight washer timer relay
123 Headlight washer pump
124 Number plate light
125 LH rear light cluster
a = tail light
126 RH rear light cluster
a = tail light
127 LH headlight unit
a = sidelight
b = dip beam
c = main beam
Typical rear wash/wipe
F53
60A
RG
RG
1
NO
3
F54
60A
RG
JA
NO
111
B1 B2 A2
2
A1
4
RG
F20
20A
E4
NO
NO
M
B1
A1
MA
OR
BA
BA/RG
117
119
5
2
1
3
4
RG
BA
BABA
A2
A3
A1
A7
A6
B4
B2
B5
B1
A4
JA/NO
JA/NO
JA/NO
E3
NO
JA
2 8 1
54 6
M
3 21
BA/NO
121
120
Headlight washer
Diagram 12, Arrow A2
A2
OR/BE
MA
Typical headlight washer
F58
40A
RG
1
NO
3
3
5
2
4
1
RG
Wash/wipe switch
Diagram 12, Arrow A2
A2
Dipped beam
Diagram 12, Arrow T
T
VE
M
B
A
GR
NO
GR
NO
NO
GR
VE
MA
F51
60A
RG
1
NO
3
Typical side, tail and number plate lights
RG
F34
10A
F22
10A
B2
B1
BE
E3
NO
12
12
NO
NO
BE BE
BE
BE
NO
BE/VE
BE/JA
NO
BE
BE
E1
NO
BE
BE
4
101
B1
B2 C2
NO
B1
C2 B2
NO
NO
4
F4
15A F3
15A
F17
15A
F16
15A
VE
Dipped beam
Diagram 8/9/12, Arrow T
T
VE BA
VE
BA/RG
BA
BJ
High beam
Diagram 8/9, Arrow U
BA/NO
U
BA/BE
MA/OR
BA/NO
F53
60A
RG
1
NO
F51
60A
RG
3
RG
JA
RG
B1 B2 A2
2
A1
Typical headlights
B7
B6 B3
B5
101
128 RH headlight unit
a = sidelight
b = dip beam
c = main beam
122
123
124
124
21
a125
127
21
a
126
A2 B1
a
A2 B1
a128
cbcb
128127
Dipped beam
Various, Arrow i
i
BE
Diagram 12
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31776
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
43 Stop light switch
101 Combined lighting/horn switch
111 Ignition relay 1
125 LH rear light cluster
b = stop light
c = direction indicator
126 RH rear light cluster
b = stop light
c = direction indicator
130 LH reversing light
131 RH reversing light
132 Front foglight relay
133 Reversing light switch
134 Rear foglight
135 LH front foglight
F53
60A
RG RG
1
NO
3
F54
60A
F20
20A
B1 B2 A2
2
A1
JA
RG
RG
JA
NO
5
2
1
3
4
RG
111
F18
15A
E3
NO
21
b
125
E1
NO
21
b
126
43
2
13
JA/BE
VI
MA/JA
VI
F5
10A
Auto. trans.
Diagram 5, Arrow G
G
VE/OR
JA
1 2 BA GR
E2
NO/BA
32
32
NO/RG
NO/ORBJ/BE
}
GR
BJ
Typical stop and
reversing lights
JA
130
131
F53
60A
RG
1
NO
F51
60A
RG
3
RG
JA
B1 B2 A2
2
A1
101
Typical front/rear foglights
F25
10A
F28
25A
4
RG
BA/RG
B2 B3
B5 A1A3B1
VE/RG
RG
Instrument cluster
Diagram 8, Arrow S
VI
S
E5
NO
Instrument cluster
Diagram 8/9, Arrow R
R
SA
12
12 NO
NO
5
2
1
3
4
BA
OR
VE
E3
12
OR
VINO
134 136
135
132
Typical direction indicator
and hazard warning lights
F53
60A
RG RG
1
NO
3
F52
60A F8
15A
F18
15A
RG
B1 B2 A2
2
A1
JA
E5
NO
E4
GR
SA
RG
62110 3745
GR/VE
C+
M
A6
A7 A5
MA
E3
NO
125 E1
NO
126
136 RH front foglight
137 LH front direction indicator
138 LH direction indicator side repeater
139 RH front direction indicator
140 RH direction indicator side repeater
141 Hazard warning light
142 Direction indicator flasher unit
41
c
41
c
21
21
NO
NO
21
NO
MA/BA
21
VI/BA
VI/BA VI/BA
LH indicator
warning light
Diagram 8/9, Arrow O
O
VI/BA
VI/JA
VI/BA
SA SA
VE
VE
RH indicator
warning light
Diagram 8/9, Arrow N
NSA
SA
NO
NO
MA
VI/BA
VI/VE
VI/BA
NO
NO
RG
SA
NO
140
138
137
139
4
4
141
142
101
133
Diagram 13
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31777
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
101 Combined lighting/horn switch
145 Headlight levelling switch
146 LH headlight adjustment motor
147 RH headlight adjustment motor
148 Glove box light
Typical headlight levelling
4
F17
15A
F16
15A
MA/OR
F53
60A
RG
1
NO
F51
60A
RG
3
101
F34
10A
BE
C1 B1 A1
JA
RG
RG
B1
B2 B3
B5
C1 B1 A1
VE VE VE/BA
A2 A3 B1B2
BE
B1 B2 A2
2
A1
E4
NO NO
VE
BE
NO NO
VI
VE/RG
SA
VE
OR
146 147
145
F51
60A
RG
1
NO
3
RG
F29
15A
F22
10A
B2
B1
BE
4
101
RG
2
1
BEBE/JA
E4
NO
BA
Typical glove box and boot light
1
2
RG RG/BE
1
2
SA
E3
NO
Typical interior lighting
4
F10
15A
F11
25A
F53
60A
RG
1
NO
F51
60A
RG
3
F29
15A
RG
B1 B2 A2
2
A1
JA
A1 B3
RG
JA/VE
A
B
B4
BJ/BE
A
B
B6
SA/RG
A
B
B5
BJ/VI
A
B
B7
SA/VE
E4
NO
NO
E5
NO
A5 A2 A1
NO NO
5 4 3
MA
NO
OR
SA/NO
A1
A3 A2
A2
A1 A3
E1
NO
A2
A1 A3
E3
NO
NO
B3
MA
NO
BJ
MA/OR
NO MA NO
OR
NO NO
RG/NO
1
2
RG
RG
RG/BE
RG/BA RG
BJ
NO
SA
NO
SA
VI
VE
BE
149 Glove box light switch
150 Luggage compartment light
151 Luggage compartment light switch
152 Interior lighting/central locking control unit
153 Driver’s door switch
154 Passenger’s door switch
155 LH rear door switch
156 RH rear door switch
157 Map reading light
148
149 150 151
158 Front interior light
159 LH rear interior light
160 RH rear interior light
161 Infrared sensor
152
153 156 154 155
161
157 158 160 159
Diagram 14
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

4
H31778
1 Battery
2 Ignition switch
3 Engine compartment fuse box
4 Passenger compartment fuse box
101 Combined lighting/horn switch
152 Interior lighting/central locking control unit
161 Infrared sensor
165 Lighting rheostat relay
166 Interior lighting rheostat
Typical rheostat
controlled lighting
F24
10A
F53
60A
RG
1
NO
F51
60A
RG
3
101
F22
10A
BE
RG
RG
B1
B2
B1 B2 A2
2
A1
JA/RG
Interior lighting
Various, Arrow V
JA/RG
V
JA
E4
NO
1
3
BE/JA
BE/VI
5
2
1
3
4
VI
Interior lighting
Various, Arrow W
W
BE/BA
Interior lighting
(dimmed)
Various, Arrow P
P
VI
165
166
4
Typical audio system
F26
20A
F53
60A
RG
1
NO
F51
60A
RG
3
F6
10A
B1 B2 A2
2
A1
JA/RG
RG
4RG
7
JA/NO
8NO
Interior lighting
Diagram 15, Arrow V
V
JA 6
Interior lighting
Diagram 12, Arrow i
2
i
BE
4
5
6
7
8
9
10
SCREEN
RG
VE
NO
JA
BA
BE
2
1
4
3
GR/VE GR/VE
BASA
BA 2
1
2BJ SA
1SA BJ
1
2
BA/VE
7 SA/NO SA
1BJ/VI BJ
1
2
2
1
6
5
GR/VE GR/VE
BA/VE
VE 2
1
BA
167 Audio unit
168 Satellite cointrol unit
169 LH front speaker
170 RH front speaker
171 LH rear speaker
172 RH rear speaker
173 LH tweeter
174 RH tweeter
175 Central locking control switch
168
167
174
169
172
171
173
169
Typical central locking
4
F10
15A
F11
25A
F53
60A
RG
1
NO
F51
60A
RG
3
RG
B1 B2 A2
2
A1
JA
A1 B3
RG
JA/VE
B2 B4 B2
E4
A5A2A1
NO
5 4 3
MA NO
OR
SA/NO
152
161
MA
B2
B3 A1B1
A2
NO NO NO
Interior lighting
Diagram 12, Arrow i
i
BE
VI/BA
VI/BA
B1
M
31
31
M
31
31
M
13
BA/VE
BA/VE
BA
BA/VE
BA/VE
M
31
31
M
31
31
BA/OR
BA/OR
BA/OR
BA/OR
BA/OR
BA/OR
BA
MAMA/OR
MA/VE
BA/VE
BA/NO
MA/BE
MA/BA
176 Driver’s central locking motor
177 Passenger’s central locking motor
178 LH rear central locking motor
179 RH rear central locking motor
180 Tailgate lock motor
180
176
177
178
179
BA
175
Diagram 15
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve

H31779
1 Battery
3 Engine compartment fuse box
4 Passenger compartment fuse box
185 Electric mirror switch
186 Driver’s electric mirror
187 Passenger’s electric mirror
F51
60A
RG
1
NO
3
4
F6
10A
RG
Typical electric mirrors
185
M
M
M
M
B2 A3B1 A1 B4B3A2
RG/BE
E4
NO
RG
VE/RG
VE
VE/BEVE
VE/NO
VE
MA
MA
VE/NO
MA
VE
VE
VE/BE
VE/RG
VE
VE/BE
VE/BE
VE/RG
Heated rear window
Diagram 11, Arrow A1 A1
Heated rear window
Diagram 11, Arrow Z Z
NO
NO
E5
NO
MA/BA
OR
186
187
F52
60A 3
4
RG
RG
1
NO
F38
40A
F39
40A
Typical electric windows
M
1
2
B2
B5
BA
GR
E4
B1NO
A2
JA/RG JA/BE
B4
A5
A1
A4 BA/BE
GR/BE
B1
B2
A3
A2
B3
A1
OR/MA
MA
JA/BE
NO
NO
BE/VE
Interior illumination
Diagram 12, Arrow i
i
BE
M
1
2
A1B3
A3B2
A2
B1
JA
RG
E5
NO
Interior illumination
Diagram 12, Arrow i i
BE BE
BE
NO
JA JA/BE
NO
A1B3
B1B2
A2
JA
BA/ORBA/NO
BA/BE
BABA/RG
BA/RG
BA/NO
188 Driver’s electric window switch
189 Driver’s switch for passenger window
190 Passenger’s electric window switch
191 ‘One touch’ control unit
192 Driver’s window motor
193 Passenger’s window motor
192 191
188
189 190
193
Diagram 16
Key to items
BA White
BE Blue
BJ Beige
CY Clear
GR Grey
SA Pink
VE Green
Wire colours
JA Yellow
MA Brown
NO Black
OR Orange
RG Red
VI Mauve