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1990 Ecu Terminal Identification
1990 Ecu Terminal Identification
Fig 1: 4-Cyl ECU Terminal Identification
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: V6 ECU Terminal Identification
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CAUTION:
Perform all voltage measurements with ECU harness connector installed. Use high-impedance digital voltmeter (10,000 ohm/volt minimum). Verify battery voltage is greater than 11 volts.