FixVault
Home › Lexus › 2007 › RX 400h AWD › Repair and Diagnosis › External Pages › Different car › Section 45 (Navigation) › Navigation System › Multi-display Power Source Circuit › Wiring Diagram

Multi-display Power Source Circuit: Wiring Diagram

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Multi-Display Power Source Circuit - Wiring Diagram
G04115926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. INSPECT MULTI-DISPLAY 
    1. Disconnect the multi-display connectors M4 and M5.
    2. Measure the resistance according to the value(s) in the table below.

      Resistance 

      CONNECTOR TERMINAL RESISTANCE SPECIFICATION

      Tester connection Condition Specified condition
      GND (M5-3) - Body ground Always Below 1 Ω
      GND (M4-3) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Voltage 

      ECU CONNECTOR TERMINAL VOLTAGE SPECIFICATION

      Tester connection Condition Specified condition
      +B1 - GND Always 10 to 14 V
      ACC - GND Ignition SW ACC 10 to 14 V
      IG - GND Ignition SW ON 10 to 14 V
      Fig 2: Identifying Multi-Display Connectors M4 And M5
      G04115927Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL 

About FixVault