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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 603 (KEY REMINDER WARNING SYSTEM - DIAGNOSIS)PRE-CHECK
2004 Toyota Matrix XR, FWD, Standard

Section 603 (Key Reminder Warning System - Diagnosis): Pre-Check

2004 Toyota Matrix XR, FWD, StandardSECTION Pre-Check
WARNING: This page is about a different car, the 2002 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK LEXUS HAND-HELD TESTER 
    1. ECU DATA MONITOR
      1. Make a judgement of good or bad and find out a malfunctioning part by the data monitor.

      TRANSPONDER KEY ECU (SWITCH CONDITION) 

      Standard: 

      SPECIFIED CONDITION

      Item Condition Specified condition
      KEY SW Ignition switch ON --> Without key ON/OFF

      DOOR ECU (SWITCH CONDITION) 

      Standard: 

      SPECIFIED CONDITION

      Item Condition Specified condition
      COURTESY SW Driver's door opened/Closed ON/OFF
    2. ACTIVE TEST
      1. Make a judgement of good or bad and find out a malfunctioning part by the active test.

      METER ECU 

      Standard: 

      ACTIVE TEST

      Item Operation
      KEY REMND BUZZER ON/OFF

      METER ECU 

      Standard: 

    3. CUSTOMIZING FUNCTION (REFERENCE)
      1. Use of LEXUS hand-held tester makes it possible to select the following controls regarding the key unlock warning.
      KEY REMND VOLUM

      Item Setting
      KEY REMND VOLUM LARGE/MID/SMALL
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
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