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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 546 (CRUISE CONTROL SYSTEM - DIAGNOSTICS)CIRCUIT INSPECTIONCONTROL SWITCH CIRCUIT (CRUISE CONTROL SWITCH)INSPECTION 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. Check voltage between terminals CCS of ECM connector and body ground. 

    PREPARATION:

    1. Remove the ECM with connector still connected.
    2. Turn ignition switch ON.

    CHECK:

    Measure voltage between terminals CCS of ECM connector and body ground when each of the -/SET, +/RES and CANCEL is turned ON.

    SWITCH VOLTAGE REFERENCE

    Switch position Voltage (V)
    Neutral 9 - 14 V
    +/RES 2.1 - 4 V
    -/SET 4 - 7.1 V
    CANCEL 6 - 10.1 V
    Fig 1: Measuring Voltage Between Terminals CCS Of ECM Connector And Body Ground
    G02838758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Proceed to next circuit inspection shown in  PROBLEM SYMPTOMS TABLE  . 
    2. OK : Go to Next Step 
  2. Check cruise control switch continuity. 

    PREPARATION:

    1. Remove steering wheel center pad.
    2. Disconnect the cruise control switch connector.

    CHECK:

    1. Measure resistance between terminal 4 and 5 of the cruise control switch connector when control switch is operated.

      OK:

      SWITCH RESISTANCE REFERENCE

      Switch position Resistance (Ω)
      Neutral infinite (No continuity)
      +/RES 210 - 270
      -/SET 560 - 700
      CANCEL 1380 - 1700
    2. Check continuity between terminals 4 and 5 of control switch connector when main switch is held on and off.

      OK:

      CONTINUITY REFERENCE

      Switch position Tester connection Specified condition
      OFF 4 - 5 No continuity
      ON 4 - 5 Continuity
      Fig 2: Measuring Resistance Between Terminal 4 And 5 Of Cruise Control Switch Connector When Control Switch Is Operated
      G02838759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Replace control switch. 
    2. OK : Go to Next Step 

  3. Check harness and connector between ECM and cruise control switch, cruise control switch and body ground (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG : Repair or replace harness or connector. 
    2. OK : Go to Next Step 
  4. Check cruise control indicator light (See  COMBINATION METER  ). 
    1. NG : Replace combination meter. 
    2. OK : Check and replace ECM (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
RENDER: 1.0x

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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.