SAFETY PRECAUTIONS & WARNINGS
To prevent personal injury or damage to vehicles and/or the Code Reader, read this
instruction manual first and observe the following safety precautions at a minimum whenever
working on a vehicle:
1. Always perform automotive testing in a safe environment.
2. Wear safety eye protection that meets the AS/NZS 1337.1 standards.
3. Keep clothing, hair, hands, tools, test equipment, etc., away from all moving or hot
engine parts.
4. Operate the vehicle in a well-ventilated work area; exhaust gases are poisonous.
5. Put blocks on drive wheels and never leave vehicle unattended while running tests.
6. Use extreme caution when working around the ignition coil, distributor cap, ignition wires
and spark plugs. These components create hazardous voltages when the engine is
running.
7. Put transmission in PARK (for automatic transmission) or NEUTRAL (for manual
transmission) and make sure the parking break is engaged.
8. Keep a fire extinguisher suitable for petrol / chemical / electrical fires nearby.
9. Don't connect or disconnect any test equipment with ignition on or engine running.
The OBDII system in your vehicle is designed to:
• Monitor key engine components by performing either continuous or periodic testing
of components and conditions.
• Alert the driver to a fault by illuminating a warning lamp on the vehicle’s instrument
panel once a problem is detected:
“Check Engine” or “Service Engine Soon”.
• Store important information about faults, so a technician can quickly diagnose and
repair or replace defective components.
OBDII Readiness Monitors:
Find out if all of the emission components have been evaluated by the OBDII system. They
are running periodic tests on specific systems and components to ensure performance within
allowable limits.
Currently there are eleven OBDII readiness Monitors (or I/M Monitors) defined by the U.S.
Environmental Protection Agency (EPA). Not all monitors are supported by all vehicles and the
exact number of monitors in any vehicle depends on the individual motor vehicle
manufacturer’s design strategy.
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