
iv
OPERATING PRECAUTIONS
CAUTION
CAUTION!
When performing any checks with the engine running in an
enclosed space such as a garage, be sure there is proper
ventilation. Never inhale exhaust gases; they contain carbon
monoxide, a colorless, odorless, extremely dangerous gas
which can cause unconsciousness or death.
CAUTION
CAUTION!
Do not use the Autoprobe to check voltages higher than 20
volts. (Don’t plug the Autoprobe into a standard AC wall
outlet). Also, the Autoprobe should be kept away from high
tension secondary ignition wires when the engine is cranking or
running.
CAUTION
CAUTION!
FOR SAFETY REASONS OBSERVE THE FOLLOWING:
• Be sure to safely route all cables when driving with the
Tester connected to the vehicle (i.e., keep cables away from
feet, pedals, steering wheel and shift lever).
• Two persons are required when test driving with the Tester:
one person to drive the vehicle, and one person to operate
the Tester.
NOTE
Do not remove or install a program card or cartridge while
power is applied to the Tester. If you wish to change or add a
program card or cartridge, first turn the Tester off by pressing
p x.
NOTE
To avoid damage to the underhood Check Connector, do not
close the hood when the Check Connector Cable is connected
to the Check Connector. The Check Connector should be
removed from its mount on the firewall or fender apron when
test driving the vehicle with the Check Connector Cable
attached.
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