FixVault

Terminals Of Ecu

  1. CHECK A/C AMPLIFIER ASSEMBLY 
    Fig 1: Identifying Terminals Of ECU
    GTY127052Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage and resistance of each terminal of the connectors.

      Voltage

      Symbols (Terminal No) Wire Color Terminal Description Condition Specified Condition
      RDFG (J58-3) - GND (J58-20) B - W-B Rear Defogger Signal Engine switch on (IG)
      Rear defogger switch OFF
      10 to 14 V

      Resistance

      Symbols (Terminal No) Wire Color Terminal Description Condition Specified Condition
      GND (J58-20) - Body ground W-B - Body ground Ground Always Below 1 Ω