Diagnostic Precautions - Mitsubishi 6M60-TL Service Manual

2. Diagnostic Precautions

• Before measuring voltage, check the battery for charged condition and specific gravity. If system inspection is per-
formed with the battery uncharged or reduced in specific gravity, accurate measurements cannot be achieved.
• To avoid having electrical parts damaged, set the starter switch to LOCK or OFF before disconnecting and recon-
necting battery cables.
• Before disconnecting connectors, set the starter switch to LOCK or OFF, then allow at least 20 seconds. Voltage
may remain in electric parts or connected circuit.
• When performing measurement with the tester, handle the test bar carefully so that it does not damage internal
circuit and other electrical parts of the electronic control unit to result in a short-circuit failure between terminals in
connector or between connector and car body.
• Resistance is affected by temperature. Determine the necessity of resistance measurement following given tem-
perature specification as a guide. Otherwise, use normal temperature (10 to 35°C) as the measuring condition.
13E
13E-21