Isuzu N-Series. Manual — part 1118
8-184 CAB AND CHASSIS ELECTRICAL
H-5
J-65
P-1
(12 V)
P-2
P-1
(24 V)
P-4
P-2
(24 V)
P-3
P-5
(12 V)
No.
Connector Face
006-015
1
2
3
4
5
6
000-003
000-004
000-004
000-004
000-006
000-006
000-007
P-5
(24 V)
R-1
R-1
R-6
R-6
No.
Connector Face
000-002
006-004
1
2
3
4
5
6
006-005
3
2
1
6
5
4
006-004
1
2
3
4
5
6
006-005
3
2
1
6
5
4
1
2
3
7
8
9
13
14 15
19
20 21
25
26 27
31
32 33
34
35
36
37
4
5
6
10
11 12
16
17 18
22
23 24
28
29 30
38
39 40
6
5
4
12
11 10
18
17 16
24
23 22
30
29 28
40
39 38
3
2
1
9
8
7
15
14 13
21
20 19
27
26 25
33
32 31
34
35
36
37
N8A5488E
CAB AND CHASSIS ELECTRICAL 8-185
H-6
Diagnosis
Quick Chart for Check Point
Notice:
Figure in parenthesis “( )” indicates the order of inspection.
1
2
1
2
1 2 3 4
5 6 7 8
9 10 11 12 13
14 15 16 17 18
2
1
2
1
4 3 2 1
8 7 6 5
13 12 11 10 9
18 17 16 15 14
H - 6
H - 7
H - 8
N8A5489E
Check point
Fuse
Light-
ing
SW
Tail-
light
bulb
Clear-
ance
light bulb
License
plate
light bulb
Marker
light
relay
Cable
har-
ness
Marker
light
bulb
F-7
(10 A)
F-25
(15 A)
Trouble
mode
1. Both clearance
lights inoperative
❍
(1)
❍
(3)
❍
(2)
❍
(4)
2. Clearance light
on the left (or right)
side inoperative
❍
(1)
❍
(2)
3. Both taillights
inoperative
❍
(1)
❍
(2)
❍
(3)
4. Taillight on the
left (or right) side
inoperative
❍
(1)
❍
(2)
5. License plate
light inoperative
❍
(1)
❍
(2)
6. Marker light
inoperative
❍
(2)
❍
(3)
❍
(4)
❍
(1)
8-186 CAB AND CHASSIS ELECTRICAL
1. Both Clearance Lights Inoperative
Notice:
Figure in parenthesis “( )” indicates place of inspection for clearance light on the right side.
2. Clearance Light on the Left (or Right) Side Inoperative
Notice:
Figure in parenthesis “( )” indicates place of inspection for clearance light on the right side.
•
ARE BOTH TAILLIGHTS OPERATIVE?
•
IS B-7 SECURELY GROUNDED?
YES
NO
TURN TAILLIGHTS ON (REFER TO TAILLIGHT
DIAGNOSIS IN THIS SECTION)
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN CLEARANCE LIGHT
CONNECTOR TERMINALS 1 B-5 (1 B-74 ) AND B-7
YES
•
TURN THE LIGHTING SWITCH TO
OR
POSITION
•
IS THERE BATTERY VOLTAGE APPLIED TO
CLEARANCE LIGHT CONNECTOR 4 B-5 (4 B-74 ) AND
GROUND?
YES
NO
NO
GROUND IT SECURELY
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
FUSE F-7 (10A) AND 4 B-5 (4 B-74 )
N8A0160E
N8A5186E
CAB AND CHASSIS ELECTRICAL 8-187
3. Both Taillights Inoperative
N8A5187E
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