LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS 350 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Outlets >> Clock >> On-Vehicle Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection

  1. INSPECT CLOCK ASSEMBLY (w/o Navigation System) 
    1. Disconnect the J54 connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage: 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified Condition
      J54-4 (IG+) - Body ground Engine switch off Below 1 V
      Engine switch on (IG) 10 to 14 V
      J54-5 (ACC) - Body ground Engine switch off Below 1 V
      Engine switch on (IG) 10 to 14 V
      J54-14(B)-Body ground Always 10 to 14 V
      Fig 1: Identifying J54 Connector Terminals
      G05828333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value(s) in the table below.

    Standard resistance: 

    RESISTANCE SPECIFICATION

    Tester Connection Condition Specified Condition
    J54-8 (E) - Body ground Always Below 1 Ω

    HINT:

    If the value is not as specified, repair or replace wire harness or connector.

  2. INSPECT CLOCK ASSEMBLY (w/ Navigation System) 
    1. Disconnect the J53 connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage: 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified Condition
      J53-5 (ACC) - Body ground Engine switch off Below 1 V
      Engine switch on (IG) 10 to 14 V
      J53-6 (B) - Body ground Always 10 to 14 V
      J53-11 (IG+)-Body ground Engine switch off Below 1 V
      Engine switch on (IG) 10 to 14 V
      Fig 2: Identifying J53 Connector Terminals
      G05828334Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value(s) in the table below.

    Standard resistance: 

    RESISTANCE SPECIFICATION

    Tester Connection Condition Specified Condition
    J53-2 (E) - Body ground Always Below 1 Ω

    HINT:

    If the value is not as specified, repair or replace the wire harness or connector.