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Home >> Lexus >> 2003 >> ES 300 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meter - Diagnosis >> Malfunction In Clock Display >> Inspection Procedure

Inspection Procedure

  1. INSPECT FUSE(GAUGE1, ECU-ACC) 
    1. Check the continuity in GAUGE 1 fuse.
    2. Check the continuity in ECU-ACC fuse.
    1. NG: REPLACE FUSE 
    2. OK: Go to next step. 
  2. CHECK CLOCK ASSY 
    1. Check voltage.
      1. Disconnect the connector from clock assy.
      2. Measure voltage between each terminals of clock assy and body ground at each condition as shown in the chart.

      Standard: 

      CLOCK ASSY TERMINALS VOLTAGE CONDITION

      Terminal Condition Voltage (V)
      1 <==> Body ground Constant 10 - 14
      4 <==> Body ground Ignition switch ACC 10 - 14
      Fig 1: Identifying Clock Assy Terminals
      G03372836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check continuity.
      1. Check the continuity in between terminal 2 of clock assy and body ground.

        Standard: Continuity exists. 

    1. OK: CHECK AND REPLACE CLOCK ASSY 
    2. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR