FixVault

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
G93J79516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Test No. 1 Flow Chart - ECU Power Source
G93A79517Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002