Chrysler PT Cruiser 2001 Service Manual Supplement page 2471

3.5.2 DISPLAY IS NOT VISIBLE
Low temperatures will affect the visibility of the
display. Adjust the contrast to compensate for this
condition.
4.0 DISCLAIMERS, SAFETY,
WARNINGS
4.1 DISCLAIMERS
All information, illustrations, and specifications
contained in this manual are based on the latest
information available at the time of publication.
The right is reserved to make changes at any time
without notice.
4.2 SAFETY
4.2.1 TECHNICIAN SAFETY INFORMATION
WARNING: ENGINES PRODUCE CARBON
MONOXIDE THAT IS ODORLESS, CAUSES
SLOWER REACTION TIME, AND CAN LEAD
TO SERIOUS INJURY. WHEN THE ENGINE IS
OPERATING, KEEP SERVICE AREAS WELL
VENTILATED OR ATTACH THE VEHICLE
EXHAUST SYSTEM TO THE SHOP EXHAUST
REMOVAL SYSTEM.
Set the parking brake and block the wheels before
testing or repairing the vehicle. It is especially impor-
tant to block the wheels on front-wheel drive vehicles;
the parking brake does not hold the drive wheels.
When servicing a vehicle, always wear eye pro-
tection, and remove any metal jewelry such as
watchbands or bracelets that might make an inad-
vertent electrical contact.
When diagnosing a powertrain system problem,
it is important to follow approved procedures where
GENERAL INFORMATION
applicable. These procedures can be found in the
service manual procedures. Following these proce-
dures is very important to the safety of individuals
performing diagnostic tests.
4.2.2 VEHICLE PREPARATION FOR
TESTING
Make sure the vehicle being tested has a fully
charged battery. If it does not, false diagnostic codes
or error messages may occur.
4.2.3 SERVICING SUB-ASSEMBLIES
Some components of the powertrain system are
intended to be serviced in assembly only. Attempt-
ing to remove or repair certain system sub-
components may result in personal injury and/or
improper system operation. Only those components
with approved repair and installation procedures in
the service manual should be serviced.
4.2.4 DRBIII SAFETY INFORMATION
WARNING: EXCEEDING THE LIMITS OF THE
DRBIII MULTIMETER IS DANGEROUS. IT
CAN EXPOSE YOU TO SERIOUS INJURY.
CAREFULLY READ AND UNDERSTAND THE
CAUTIONS AND
LIMITS.
Follow the vehicle manufacturer's service specifi-
cations at all times.
•
Do not use the DRBIII if it has been damaged.
• Do not use the test leads if the insulation is
damaged or if metal is exposed.
• To avoid electrical shock, do not touch the test
leads, tips or the circuit being tested.
• Choose the proper range and function for the
measurement. Do not try voltage or current mea-
surements that may exceed the rated capacity.
•
Do not exceed the limits shown in the table below:
FUNCTION
Volts
Ohms (resistance)*
Frequency Measured
Frequency Generated
Temperature
* Ohms cannot be measured if voltage is present.
Ohms can be measured only in a non-powered
circuit.
• Voltage between any terminal and ground must
not exceed 500v DC or 500v peak AC.
11
THE SPECIFICATION
INPUT LIMIT
0 - 500 peak volts AC
0 - 500 volts DC
0 -1.12 megohms
0 - 10 kHz
-58 - 1100°F
-50 - 600°C