4-3
INLET M/ACT
C
o
C
o
GROUP 2 ELECTRICAL CIRCUIT
25074EL03
4-4
1. POWER CIRCUIT
The negative terminal of battery is grounded to the machine chassis through master switch.
When the start switch is in the OFF position, the current flows from the positive battery terminal as
shown below.
OPERATING FLOW
Battery Battery relay Fusible link 〔CN-60〕
Fuse box 〔No.1〕 l/conn 〔CN-8(12)〕 Start switch 〔CS-2(1)〕
Power relay 〔CR-35(30)]
Fuse box 〔No.2〕 I/conn 〔CN-10(6)〕 Room lamp 〔CL-1(2)〕 Door switch 〔CS-1〕
Cassette radio 〔CN-27(11)〕
Fuse box 〔No.3〕 l/conn 〔CN-11(4)〕 AC & Heater controller 〔CN -116(3, 4)〕
Fuse box 〔No.4〕 I/conn 〔CN - 5(4)〕 I/conn 〔CN -17(5)〕 Wiper motor controller
〔CN-141(7)〕
Wiper motor 〔CN-21(4)〕
Fuse box 〔No.5〕 CPU controller 〔CN-50(7)〕
Fuse box 〔No.6〕 I/conn 〔CN-11(5)〕 Relay(Hi, M2)
※ I/conn : Intermediate connector
CHECK POINT
Engine Start switch Check point
Voltage
1)
2)

CR-35
30
86
87
85
87a
86
85
87
30
87a
60B
60B
60R
BATTERY RY
CR-1
BATTERY
MASTER SW
1
2
3
4
5
6
CN-8
7
8
9
10
R

BATTERY 24V(+)
CN-50
1
2
3
4
5
6
7
CN-5
8
9
10
11
12
V
GY
CL-1
Y
ROOM LAMP
CS-1
DOOR SW
Y
CASSETTE RADIO
CN-27
Y
GY
N.C
S.R-
S.R-

CS-2
6
1
2
3
4
5
6
1
5
3
0
I
0,
I
H
4
2
B
H
BRACC
ST
C
RW/R
RW/R
RW/R
2R
3
4
BATTERY(+)

R
7
CONTINUE 24V
R
3
1
2
4
R
4
3
2
1
4
3
2
1
3
1
2
4
RELAY(M2)
RELAY(HI)
R
W
7
2
1
3
4

21
10A
20
10A
19
10A
18
20A
17
5A
16
10A
15
10A
14
5A
13
20A
12
20A
11
5A
10
5A
9
10A
8
5A
7
10A

CLUSTER
CASSETTE RADIO
WIPER+
AC& HEATER
ROOM LAMP
START KEY
25074EL06
4-6
2. STARTING CIRCUIT
OPERATING FLOW
Battery(+) terminal Battery relay〔CR-1〕 Fusible link 〔CN-60〕 Fuse box 〔No.1〕
I/conn 〔CN-8(12)〕 Start switch 〔CS-2(1)〕
When start key switch is in ON position
Start switch ON 〔CS-2(2)〕 I/conn 〔CN-8(11)〕 Battery relay 〔CR-1〕
Battery relay operating (All power is supplied with the electric component)
Start switch ON 〔CS-2(3)〕 I/conn 〔CN-8(10)〕 Power relay 〔CR-35(86) → (87)〕
Fuse box 〔No.12〕 l/conn 〔CN-2(5)〕 Fuel cut-off 〔CN-79 (1)〕
When start key switch is in START position
Start switch START 〔CS-2(5)〕 I/conn 〔CN-8(9)〕 Safety relay 〔CR-5(86) → (30)〕
l/conn 〔CN-3(2)〕 Start relay 〔CR-23〕
l/conn 〔CN-2(4)〕 Fuel cut off 〔CN-79(2)〕
CHECK POINT
1)
(1)
(2)
2)
Engine Start switch Check point
Voltage
OPERATING START
① - GND(Battery)

Fusible link 〔CN-60〕 Fuse box
1)
2)
(1)
(2)
※ GND : Ground
Engine Start switch Check point
Voltage
Run ON
① - GND(Battery voltage)
② - GND(Battery relay)
③ - GND(Alternator B
+
terminal)
④ - GND(Alternator I terminal)
⑤ - GND(CPU)
20~30
V