Typical Diesel Fuel Filter Heater; Typical Pre/Post Heating - Renault Laguna Wiring Diagrams

Wire colours
BA White JA Yellow
BE Blue MA Brown
BJ Beige NO Black
CY Clear OR Orange
GR Grey RG Red
SA Pink VI Mauve
VE Green
2
B1 B2 A2 A1
JA
4
F12
30A
1 8
F53
60A
3
BA
B
17
1
A
NO
E7

Typical Diesel fuel filter heater

2
F12
30A
B1 B2 A2 A1
JA
BA
RG
1 9
3
F53
F60
60A 70A
1
2
1
BA
1 2
20
Key to items
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
2
B1 B2 A2 A1
JA
BA
RG
1
3
2
F53
F60
60A
70A
1
BA
1
JA/RG
JA
Diagram 8, Arrow D
Preheater
warning light
4
D
MA/VI
B2
B3
BJ
B1 JA/VI
A1 BJ/RG
C1 VE
MA/VE
A2 BA
C3 GR
NO
C2
A3
BA
1 2 2
3 4
2 4 2 5
20 Glow plugs
21 Pump unit
a = advance/retard valve
b = EGR switch
c = throttle position switch
d = pump advance solenoid
22 Altitude relay
JA/RG
JA
Diagram 8, Arrow D
Preheater
F12
warning light
30A
4
MA/VI
B2
B3
BJ
1 9
B1 JA/VI
A1 BJ/RG
C1 VE
A2 BA
1
VI
C3
2
NO
C2
A3
BA
1 2
2 3 4
24
20
JA/VE
BJ
VE
BA
NO
1
NO
E7
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
JA/VE
D
2 1
E7
25
JA/VI
BA/VE
4
3
2 3
1
B1
2
5
C1
22
SA
MA/VE
2 1
1
a
A2
d
A1
2 9
B1
c
B2
b
C2
C1
Diagram 3
H31766
JA/VI
2 2
4
3
2 3
1
B1
2
5
C1
SA
a
A2
BJ
d
A1
VE
B1
BA
c
C2
b
B2
C1
NO
2 1

Typical pre/post heating

(Diesel without EGR)
2
BA/VE
5
SA
1
2
2 8
4
1
2 7
2 3
26
1
E4
NO
Typical pre/post heating
(Diesel with EGR)