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Diagnostic Circuit Check
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Diagnostic Circuit Check
CAUTION:
Perform all voltage measurements with the ECU harness connector installed. Use a high-impedance DVOM (10,000-ohm minimum). Verify that battery voltage is above 11 volts.
Fig 1: Diagnostic Circuit Check System Schematic
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Diagnostic Circuit Check Flow Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002