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Ecu Terminal Identification

CAUTION: Perform all voltage measurements with ECU harness connector installed. Use a high-impedance DVOM (10,000-ohm minimum).

Verify battery voltage is greater than 11 volts.

Fig 1: ECU Terminal Identification (3S-GTE)
G91H18025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: ECU Terminal Identification (5S-FE With A/T)
G91I18026Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: ECU Terminal Identification (5S-FE With M/T)
G91J18027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002