Subaru Impreza 2002 Service Manual page 3750

D: SYMBOLS IN WIRING DIAGRAMS
A number of symbols are used in each wiring diagram to easily identify parts or circuits.
Example
RELAY
HEAD-
LIGHT
RELAY
RH
F39
SYMBOLS OF
HEADLIGHT LH
WIRE
CONNECTION
AND CROSSING
HEADLIGHT RH
CLASSIFICATION
OF SPECIFICATIONS
DIMMER & PASSING
SWITCH
UP LOW PASS
LIGHTING SWITCH
OR : WITHOUT REAR DEFOGGER
: WITH REAR DEFOGGER
WR
DIODE
GROUND
1. RELAY
A symbol used to indicate a relay.
2. CONNECTOR-1
The sketch of the connector indicates one-pole
types.
3. WIRING CONNECTION
Some wiring diagrams are indicated in foldouts for
convenience. Wiring destinations are indicated
where necessary by corresponding symbols (as
when two pages are needed for clear indication).
BASIC DIAGNOSTICS PROCEDURE
MAIN FUSE BOX (M/B)
A
P-SUP-02
B
P-SUP-02
C
P-SUP-02
HEAD-
LIGHT
RELAY
LH
D
P-SUP-04
POWER SUPPLY
ROUTING
TO POWER SUPPLY ROUTING
MB-10 MB-11
F/B FUSE NO. 11
M/B FUSE NO. 8 M/B FUSE NO. 9
2 RL
HIGH
1 R
3 YL
LOW
F23
2 LW LW 4 LW
HIGH
1 R R 3 R
3 YL YL 2 YL
LOW
F7 F44 B61
REF. TO ST(MT)-01
REF. TO ST(AT)-01
OR WR
HF 8 3 LY
HU 7 2 RY
HL 17 17 YB
E 16 16 B
OFF
HC 13 13 LY
TC
B71
EL
REF. TO FOG(H4)-01
DIODE
1 YB
REF. TO FOG(H6)-01
2 RY
B112 SD
R4
PARKING BRAKE
SWITCH
REF. TO GND-02
WIRE TRACING
ON EXTENDED
WIRING DIAGRAMS
SMJ
FB-16 MB-5
HEADLIGHT
(IG) RELAY
F45
SMJ
B62
LW B1
R A1
B36
SMJ
CLASSIFICATION
OF SPECIFICATIONS
: SEDAN
SD
P 17 P SD
: WAGON
WG
R3 B99
P 7 P
R1 B97
4. FUSE NO. & RATING
The "FUSE No. & RATING" corresponds with that
used in fuse box (main fuse box, fuse and joint
box).
5. CONNECTOR-2
• Each connector is indicated by a symbol.
• Each terminal number is indicated in the corre-
sponding wiring diagram in an abbreviated form.
• For example, terminal number "C2" refers to No.
2 terminal of connector (C: F41) shown in the con-
nector sketch.
WI-11
WIRING SYSTEM
FUSE No. & RATING
CONNECTOR-1
F68 F36 F38
M
P-SUP-04
L
P-SUP-04
K
P-SUP-04
J
P-SUP-04
I
P-SUP-03
H
P-SUP-03
G
P-SUP-04
F
P-SUP-03
E
P-SUP-04
FUSE &
RELAY
BOX (F/B)
A: B51
B: i5
C: B52
D: B152
E: B158
F: F40
G: F41
CONNECTOR-2
C: B52 G: F41 (GRAY) A: B51
1 2 3 1 2 3
4 5 6 7 4 5 6 7 8
B112 F7 (BLACK) F44
(BLACK)
1 2 F23 1 2 3 4
5 6 7 8
2
1 3
CONNECTOR
SKETCH
B6M1640A