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Test No. 1 - Ecu Power Source
Test No. 1 - Ecu Power Source
CAUTION:
Perform all voltage measurements with the ECM harness connector installed. Use a high-impedence DVOM (10,000-ohm minimum). Verify that battery voltage is greater than 11 volts.
Fig 1: Test No. 1 Schematic - ECU Power Source
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Test No. 1 Flow Chart - ECU Power Source
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002