ES 330 V6-3.3L (3MZ-FE) (2004)
a. For the open circuit in the wire harness in Fig. 1, perform "(b) Check the continuity" or "(c) Check the voltage" to locate the section.
b. Check the continuity.
1. Disconnect the connectors "A" and "C" and measure the resistance between them.
Resistance: 1ohm or less
HINT: Measure the resistance while lightly shaking the wire harness vertically and horizontally.
In the case of Fig. 2:
Between terminal 1 of connector "A" and terminal 1 of connector "C" -> No continuity (open)
Between terminal 2 of connector "A" and terminal 2 of connector "C" -> Continuity
Therefore, it is found out that there is an open circuit between terminal 1 of connector "A" and terminal 1 of connector "C".
2. Disconnect the connector "B" and measure the resistance between the connectors.
In the case of Fig. 3:
Between terminal 1 of connector "A" and terminal 1 of connector "B1" -> Continuity
Between terminal 1 of connector "B2" and terminal 1 of connector "C" -> No continuity (open)
Therefore, it is found out that there is an open circuit between terminal 1 of connector "B2" and terminal 1 of connector "C".