Highlander 4WD V6-3.0L (1MZ-FE) (2003)
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A.
Test the CAN Interface Module (P/N 01002744) for continuity.
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If there is no continuity, the CAN Interface Module needs to be replaced.
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If there is continuity, the CAN Interface Module is OK. Re-check Cable Tests 1, 2, 3, and 4 while wiggling and flexing the cables.