WINDOW DEFOGGER SYSTEM TERMINALS OF ECU


  1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

    A017BP6E08

    1. Measure the voltage and resistance according to the value(s) in the table below.

      Standard voltage
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      D33-38 (RDEF) - D33-14 (GND) W - W-B Rear defogger signal Ignition switch on (IG), Rear window defogger switch OFF 11 to 14 V
      Ignition switch on (IG), Rear window defogger switch ON Below 1 V
      D33-1 (IG+) - D33-14 (GND) GR - W-B Power source (IG) Ignition switch on (IG) 11 to 14 V
      Ignition switch off Below 1 V
      D33-21 (B) - D33-14 (GND) B - W-B Power source (Back-up) Always 11 to 14 V
      Standard resistance
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      D33-14 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness or amplifier.

  2. CHECK AIR CONDITIONING CONTROL ASSEMBLY

    A017EFCE03

    1. Measure the voltage and resistance according to the value(s) in the table below.

      Standard voltage
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      E8-2 (IG+) - E8-10 (GND) V - GR Power source (IG) Ignition switch on (IG) 11 to 14 V
      Standard resistance
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      E8-10 (GND) - Body ground GR - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness.