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Home >> Toyota >> 1989 >> Van Base, Van Window, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes - EFI >> Intermittent Test Procedures >> Heat Method

Heat Method

Apply heat to a suspected component with a hair dryer or similar device and monitor suspected circuit or component with a DVOM.

NOTE: DO NOT  heat any component to more than 140°F (60°C). DO NOT  apply heat directly to any part of the ECU.
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