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Home >> Toyota >> 2002 >> Highlander Limited, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meter - Diagnostics >> Problem Symptoms Table >> Malfunction In Speedometer >> Inspection Procedure

Inspection Procedure

  1. Perform Active Test By OBD II Scan Tool Or Toyota Hand-Held Tester 
    1. Check speedometer operation
      1. Connect the OBD II scan tool or TOYOTA hand-held tester to DLC3.
      2. Turn the ignition switch ON and push the OBD II scan tool or TOYOTA hand-held tester main switch ON.
      3. Select the ACTIVE TEST mode on the OBD II scan tool or TOYOTA hand-held tester.
      4. Check that the prove moves as OBD II scan tool or TOYOTA hand-held tester directs in each range.
      .
      1. OK: The Meter Operations Normally 
    1. OK: Go To Step 2  , (Read Value Of OBD II Scan Tool Or Toyota Hand-Held Tester).
    2. NG: Check And Replace Combination Meter Assy 
  2. Read Value Of OBD II Scan Tool Or Toyota Hand-Held Tester 
    1. Check output value of skid control ECU.
      1. Connect the OBD II scan tool or TOYOTA hand-held tester to DLC3.
      2. Turn the ignition switch ON and push the OBD II scan tool or TOYOTA hand-held tester main switch ON.
      3. Select the DATA LIST mode on the OBD II scan tool or TOYOTA hand-held tester.
      4. Check that there is no difference between the speed value output from the speed sensor displayed by the OBD II scan tool or TOYOTA hand-held tester and the speed value displayed by the speedometer when driving the vehicle.
      1. OK: There Is Almost No Difference From The Displayed Speed Value. 
    1. OK: Go To Next Step 3  , (Check Combination Meter Assy (SI)
    2. NG: Go To Brake System 
  3. Check Combination Meter Assy (SI) 
    1. Check voltage between terminal C12-6 of combination meter and body ground.
      Fig 1: Locating Terminal C12-6 Of Combination Meter
      G01113783Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the combination meter with connectors still connected.
      2. Shift the shift lever to neutral.
      3. Jack up one of the front wheel.
      4. Turn ignition switch ON.
      5. Measure voltage between terminal C12-16 of combination meter and body ground when the front wheels are turned slowly.

      Voltage Is Generated Intermittently 

      Fig 2: Reviewing Combination Meter Assy Voltage
      G01113784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Check And Replace Combination Meter Assy 
    2. NG: Repair Or Replace Harness Or Connector