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INSTRUMENT PANEL AND GAUGES
8E - 1
INSTRUMENT PANEL AND GAUGES
C O N T E N T S
Page
Page
CLUSTER AND GAUGE SERVICE AND TESTING . 4
GENERAL INFORMATION
1
SWITCH AND PANEL COMPONENT SERVICE . 15
G E N E R A L INFORMATION
INDEX
Page
Alternator Indicating System . . . . . . . . . . . . . . . . . . 3
Distance Sensor
. 4
Electronic Digital Clock
. 2
Fuel Level Indicating System
,
2
Instrument Cluster
1
INSTRUMENT CLUSTER (Fig. 1)
D-body t r u c k s have a n i n s t r u m e n t cluster w h i c h
includes gauges for fuel level, coolant temperature,
o i l pressure, and charging system voltage (Fig. 1).
There is also a w a r n i n g lamp for l o w o i l pressure.
W h e n the i g n i t i o n s w i t c h is i n the OFF position a l l
t h e gauges w i l l show a reading except the voltage
gauge. However, t h e readings
are only
accurate
w h e n the i g n i t i o n s w i t c h is i n the O N position.
The cluster also includes w a r n i n g lamps for seat
b e l t w a r n i n g , and liftgate open (Ramcharger only).
J908E-66
Fig. 11nstrument Cluster
MESSAGE CENTER-GAS ENGINE
The message center (Fig. 2), w h i c h is located above
t h e Heater-A/C controls, includes w a r n i n g lamps for
t h e brake systems
( p a r k i n g a n d service) anti-lock
brakes, the check engine system and maintenance re-
quired.
CHECK
ENGINE
I f the i n p u t from one o f the following sensors fails
a n i n t e r n a l SBEC self check, the controller t u r n s o n
Page
Message Center — Diesel Engine
. . . . . . . . . . . . . 2
Message Center — Gas Engine
1
Oil Pressure Warning Lamp
. . . . . . . . . . . . . . . . . . 3
Speedometer/Odometer System
4
Temperature and Oil Indicating System
. . .
3
Q/D
IS
A
v
SI
CD
BRAKE
CHECK ENGINE
MAINT. REQD.
ANTI-LOCK
J908E-65
Fig. 2 Message Center—Gas Engine
the Check Engine Lamp and substitutes a modified
signal i n place o f the one t h a t failed u n t i l a repair is
made:
• M a n i f o l d Absolute Pressure (MAP) Sensor
• T h r o t t l e Position Sensor
• Coolant Temperature Sensor
• B a t t e r y Voltage Sense
• B a t t e r y Voltage Too H i g h
Refer t o the approriate P o w e r t r a i n Diagnostic Test
Procedures m a n u a l for f u r t h e r i n f o r m a t i o n .
EMISSIONS
MAINTENANCE
REMINDER
T h i s system is designed t o act as a reminder t h a t
scheduled vehicle emissions maintenance should be
performed. I t i s not i n t e n d e d to indicate a w a r n -
i n g o r that a s t a t e of e m e r g e n c y exists w h i c h
m u s t b e c o r r e c t e d to i n s u r e safe vehicle opera-
tion. The components covered by the system include
the EGR system, P C V valve, and oxygen sensor.
Refer t o Group 25 - Emissions, for f u r t h e r informa-
t i o n .
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