Isuzu N-Series. Manual - part 1050

CAB AND CHASSIS ELECTRICAL 8-305

5-5. Even when the Fuel Tank Is Empty, the Low Fuel Warning Light Does Not Light Up

• DOES THE WARNING LIGHT HAVE A BURNED OUT

BULB, OR IS THE SOCKET POORLY CONNECTED?

• IS THE FUEL TANK UNIT NORMAL?

YES

YES

NO

NO

REPLACE THE BULB, OR REPAIR A POOR
CONNECTION AT THE SOCKET

REPLACE THE FUEL TANK UNIT

REPAIR A POOR CONNECTION AT THE CONNECTOR
OR AN OPEN CIRCUIT BETWEEN THE HARNESS
SIDE CONNECTORS 2  J-28  AND 10  B-51  (METER)
OR 3  J-28  AND  J-9 

N8A0318E

8-306 CAB AND CHASSIS ELECTRICAL

5-6. Even when the Float in the Water Sedimenter Goes Up above the Drain Warning Level, the Indicator Light
Does Not Light Up

NO

REPLACE THE BULB, OR REPAIR A POOR
CONNECTION AT THE SOCKET

YES

• DOES THE INDICATOR LIGHT HAVE A BURNED-OUT

BULB OR IS THE SOCKET POORLY CONNECTED?

YES

• IS THE WATER SEDIMENTER SWITCH NORMAL?

NO

REPLACE THE WATER SEDIMENTER SWITCH

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN THE
CIRCUIT BETWEEN THE WATER SEDIMENTER
SWITCH HARNESS SIDE CONNECTOR 1  J-53
AND 12  B-51  (METER), OR 1  J-54  AND  J-9 

N8A0319E

CAB AND CHASSIS ELECTRICAL 8-307

5-7. Even when the Brake Fluid Is Lower than Specified Level, the Level Warning Light Does Not Light Up

5-8. Vacuum Warning Buzzer Does Not Sound

Starter Switch

Refer to “START AND CHARGING” in this section.

Turn Signal Light Switch

Refer to “TURN SIGNAL LIGHT, HAZARD WARNING
LIGHT AND STOPLIGHT” in this section.

Exhaust Brake Switch

Refer to “EXHAUST BRAKE” in this section.

N8A5384E

N8A0321E

8-308 CAB AND CHASSIS ELECTRICAL

Meter Assembly

Layout for Gauges, Warning, Indicator and Illumination Lights
Except 4HK1-TC

Notice:
The calibration and the red zone of tachometer are various depending on the models fitted.

1

0

2

x1000 

r/min

3

4

PUSH

SET

M

H

km/h

TRIP
ODO

A
B

E

F

H

C

Speedometer

Fuel gauge

Coolant temperature gauge

Tachometer &
digital clock

Warning lens

N8A0479E