Insert the needle adapter straight along the terminal in the connector to prevent short-circuit between terminals.
• Make sure that measuring points are correct in the connector, noting the position of the lock [D] and the lead color before measurement. Do not reverse connections of the hand tester or a digital meter.
• Be careful not to short-circuit the leads of the DFI or electrical system parts by contact between adapters.
• Turn the ignition switch ON and measure the voltage with the connector joined.
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