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Terminals Of Ecu

  1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY 
    1. Measure the voltage and resistance of each terminal of the connectors.
      Fig 1: Identifying ECU Connector Terminals
      G05243938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      A10-10 (FDEF) - A10-11 (GND) P - W-B Front Deicer Signal Ignition switch on Front deicer switch ON Below 1 V
      A10-10 (FDEF) - A10-11 (GND) P - W-B Front Deicer Signal Ignition switch on Front deicer switch ON 10 to 14 V
      A10-18 (RDFG) - A10-11 (GND) L - W-B Rear Deicer Signal Ignition switch on Rear defogger switch OFF 10 to 14 V
      A10-18 (RDFG) - A10-11 (GND) L - W-B Rear Deicer Signal Ignition switch on Rear defogger switch OFF Below 1 V