Highlander 2WD V6-3.0L (1MZ-FE) (2003)
a. Establish conditions in which voltage is present at the check point.
Example:
A - Ignition SW on
B - Ignition SW and SW 1 on
C - Ignition SW, SW 1 and Relay on (SW 2 off)
b. Using a voltmeter, connect the negative lead to a good ground point or negative battery terminal, and the positive lead to the connector or
component terminal.
This check can be done with a test light instead of a voltmeter.
Continuity and Resistance Check
CONTINUITY AND RESISTANCE CHECK
a. Disconnect the battery terminal or wire so there is no voltage between the check points.
b. Contact the two leads of an ohmmeter to each of the check points.