LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting >> Personal Light Assembly >> Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Personal Light Assembly: Inspection

  1. INSPECT ROOF CONSOLE BOX ASSEMBLY (PERSONAL LIGHT ASSEMBLY) 
    1. Disconnect the Q2 personal light assembly connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      Q2-22 (+B1) - Body ground Always 10 to 14 V
      Fig 1: Identifying Q2 Connector Terminals
      G05252461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      Q2-5 (GND3) - Body ground Always Below 1 Ω

      If the result is not specified, there is a malfunction on the wire harness side.

    3. Apply battery voltage to the roof console box assembly connector.
      Fig 2: Identifying Q2 Connector Terminals
      G05252462Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Check that each light comes on.

      OK 

      MEASUREMENT CONDITION

      Measurement Condition Switch Condition Specified Condition
      Battery positive (+) → Terminal Q2-22 (+B1)
      Battery negative (-) → Terminal Q2-10 (CTY)
      DOOR switch is pushed (ON), seat illumination switch is not pushed (OFF), and personal light switch is not pushed (OFF) Interior light and front seat illumination come on
      Battery positive (+) → Terminal Q2-22 (+B1)
      Battery negative (-) → Terminal Q2-5 (GND3)
      Front RH personal light switch ON Front RH personal light comes on
      Front LH personal light switch ON Front LH personal light comes on
      Battery positive (+) → Terminal Q2-22 (+B1)
      Battery negative (-) → Body ground
      Front seat illumination switch is pushed (ON) Front seat illumination comes on

      If the result is not as specified, replace the roof console box assembly.