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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 555 (AIR CONDITIONING SYSTEM - DIAGNOSTICS)CIRCUIT INSPECTIONDTC 42: AIR INLET DAMPER CONTROL SERVOMOTOR CIRCUITINSPECTION PROCEDURE
2004 Toyota Matrix XR, FWD, Standard

Inspection Procedure

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Actuator check. 

    PREPARATION:

    1. Remove glove compartment door to see and check the air inlet damper operation.
    2. Set to the actuator check mode (See PRE-CHECK ).
    3. Press the DEF switch and change it to step operation.

    CHECK:

    Press the DEF switch and check the operation air inlet damper.

    OK:

    DISPLAY CODE OPERATION

    Display Code Air Inlet Damper
    0 - 2 FRS
    3 REC/FRS
    4 - 9 REC
    1. OK : Proceed to next circuit inspection shown in  PROBLEM SYMPTOMS TABLE  . 
    2. NG : Go To Next Step. 
  2. Check air inlet damper control servomotor. 

    PREPARATION:

    Remove the air inlet servomotor (See REMOVAL ).

    CHECK:

    Connect positive (+) lead to terminal 4 and negative (-) lead to terminal 5.

    OK:

    1. The lever moves smoothly to REC position. 

    CHECK:

    Connect positive (+) lead to terminal 5 and negative (-) lead to terminal 4.

    OK:

    1. The lever moves smoothly to FRS position. 
    Fig 1: Checking Air Inlet Damper Control Servomotor
    G02839094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Replace air inlet servomotor. 
    2. OK : Go To Next Step. 
  3. Check harness and connector between air inlet servomotor and integration control and panel (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG : Repair or replace harness or connector. 
    2. OK : Check and replace integration control and panel. 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.