Table of Contents
Advertisement
1L-1
ENGINE
INSTRUMENTATION
Diagnosis and Repair Simplification (DARS] Charts
1L-8
General Information
1L-1
SECTION INDEX
Specifications 1L-41
Tools
1L-48
GENERAL INFORMATION
Constant Voltage Regulator (CVR) Replacement
Gauge and Meter Replacement
General
Instrumentation Diagnosis
1L-7
1L-5
1L-1
1L-3
GENERAL
This chapter is divided into three sections. The first
section, General Information, contains descriptions of
all instrumentation, theory of operation, test procedures
and replacement procedures. The second section, Diag
nosis and Repair Simplification (DARS) Charts, con
tains pictorial guides for diagnosing instrumentation
malfunctions. The third section, Specifications, contains
specifications,
instrument cluster illustrations,
in
strument cluster and printed circuit board schematics
and separate schematics for each gauge, meter and lamp
circuit.
Engine instrumentation includes all instrument panel
gauges, meters and lamps used to monitor the engine-
related systems included in part one of this manual.
Refer to Chapter 3C—Instrument Panels and Com
ponents for speedometer, odometer, clock, illumination
lamps, turn signal indicator lamps and high beam in
dicator lamp. The instrumentation included in this
chapter involves: ammeter, voltmeter, constant voltage
regulator (CVR), fuel gauge, oil pressure gauge, tach
ometer, and coolant temperature gauge (figs. 1L-1 and
1L-2). These devices are all electrically operated.
NOTE: .4// reference pertaining to CJ vehicles includes
Scrambler vehicles.
Instrument Cluster Replacement
1L-5
Operation
1L-1
Printed Circuit Board Replacement 1L-7
4-WHEEL
DRIVE
INDICATOR
LAMP
TEMPERATURE
GAUGE
EMISSION MAINTENANCE
(4 CYL. CALIFORNIA ONLY
HIGH BEAM
RIGHT TURN
BRAKE
WARNING
NDICATOR
LAMP
TACHOMETER 0IL PRESSURE
GAUGE
VOLTMETER
80317
Fig. 1L-1
CJ Instrumentation
I
Advertisement
Table of Contents
Troubleshooting
