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lowing these procedures is very important to safety 4.2.2 VEHICLE PREPARATION FOR Make sure the vehicle being tested has a fully charged battery. If it does not, false diagnostic 4.2.3 SERVICING SUB-ASSEMBLIES Some components of the body system are in- tended to be serviced as an assembly only. Attempt- 4.2.4 DRBIII T SAFETY INFORMATION WARNING: EXCEEDING THE LIMITS OF THE T MULTIMETER IS DANGEROUS. READ ALL DRBIII T INSTRUCTIONS BEFORE USING THE MULTIMETER. FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH. • Follow the vehicle manufacturer’s service speci- • Do not use the DRBIII t if it has been damaged. • Do not use the test leads if the insulation is • To avoid electrical shock, do not touch the test • Choose the proper range and functions for the • Do not exceed the limits shown in the table FUNCTION INPUT LIMIT Volts 0 - 500 peak volts AC Ohms (resistance)* 0 -1.12 megohms Frequency Measured 0 -10 kHz Temperature -58 - 1100°F * Ohms cannot be measured if voltage is present. • Voltage between any terminal and ground must • Use caution when measuring voltage above 25v • Use the low current shunt to measure circuits up • When testing for the presence of voltage or • When measuring current, connect the meter in • Disconnect the live test lead before disconnect- • When using the meter function, keep the DRBI- t away from spark plug or coil wires to avoid measuring error from outside interference. 4.3 WARNINGS 4.3.1 VEHICLE DAMAGE WARNINGS Before disconnecting any control module, make sure the ignition is 9off9. Failure to do so could damage the module.When testing voltage or conti- 4.3.2 ROAD TESTING A COMPLAINT Some complaints will require a test drive as part of the repair verification procedure. The purpose of WARNING: REASSEMBLE ALL COMPO- NENTS BEFORE ROAD TESTING A VEHI- T SCREEN OR OTHER TEST EQUIPMENT T OR OTHER TEST EQUIPMENT FROM THE REARVIEW MIRROR DURING A TEST T OR OTHER TEST EQUIPMENT. FAILURE TO FOLLOW THESE 37 GENERAL INFORMATION |