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POWER MIRROR CONTROL SYSTEM(w/o Memory) TERMINALS OF ECU

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  1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY


    1. A00094VE07

      Disconnect the H54 air conditioning amplifier assembly connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      H54-1 (IG+) - H54-14 (GND) V - W-B Power source (IG) Power switch on (IG) 11 to 14 V
      H54-1 (IG+) - H54-14 (GND) V - W-B Power source (IG) Power switch off Below 1 V
      H54-21 (B) - H54-14 (GND) GR - W-B ECU power supply Power switch off 11 to 14 V
      H54-14 (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.

    3. Reconnect the H54 air conditioning amplifier assembly connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      H54-38 (RDFG) - H54-14 (GND) G - W-B Mirror heater switch signal Power switch on (IG), rear window defogger switch off 11 to 14 V
      H54-38 (RDFG) - H54-14 (GND) G - W-B Mirror heater switch signal Power switch on (IG), rear window defogger switch on Below 2.2 V
      H54-37 (LIN1) - Body ground B - Body ground LIN communication signal Power switch on (IG) Pulse generation

      If the result is not as specified, the air conditioning amplifier assembly may be malfunctioning.

  2. CHECK RADIO RECEIVER ASSEMBLY (w/o Multi-display) (Click here)

  3. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY (w/ Multi-display) (Click here)