Hazard Warning Switch Inspection

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Lighting. Lexus Is250, Is220D. Gse20 Ale20

  1. INSPECT INTEGRATION CONTROL PANEL (Without Navigation System)

  2. INSPECT CLOCK ASSEMBLY (With Navigation System)

Hazard Warning Switch -- Inspection



1. INSPECT INTEGRATION CONTROL PANEL (Without Navigation System)


    Lexus Is250, Is220D. Gse20 Ale20.Lighting.Lighting System.Hazard Warning Switch  Inspection
  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    J54-12 (F) - J54-8 (E)
    Hazard warning switch OFF
    10 kΩ or higher
    J54-12 (F) - J54-8 (E)
    Hazard warning switch ON
    Below 1 Ω
    If the result is not as specified, replace the integration control panel.


2. INSPECT CLOCK ASSEMBLY (With Navigation System)


    Lexus Is250, Is220D. Gse20 Ale20.Lighting.Lighting System.Hazard Warning Switch  Inspection
  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    J53-12 (F) - J53-2 (E)
    Hazard warning switch OFF
    10 kΩ or higher
    J53-12 (F) - J53-2 (E)
    Hazard warning switch ON
    Below 1 Ω
    If the result is not as specified, replace the clock assembly.