Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: How To Proceed With Troubleshooting

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Entry Function, Hev Model) / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Replace parts related to the wireless door lock and smart key system according to the inspection procedure.
  • If the wireless door lock and smart key system does not operate, first check the customize item and make sure that the wireless door lock and smart key system is not turned off.
  • The wireless door lock and smart key system primarily uses the following systems.
    • Power door lock system
    • Wireless door lock system
    • Smart key system (for Entry Function)
    • Smart key system (for Start Function)
      • : Immobiliser function
  • Perform troubleshooting procedures with other registered keys if available.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

(a) Confirm how vehicle was brought to workshop

  • Vehicle was driven
  • Vehicle was towed

HINT:

The malfunction location may be narrowed down by confirming whether the vehicle was driven or towed.

NEXT

GO TO SMART KEY SYSTEM (for Start Function)

    READ NEXT:

     Operation Check

    OPERATION CHECK CHECK CUSTOMIZE PARAMETERS NOTICE: The operation check below is based on the non-customized initial condition of the vehicle. Click here CHECK THE ENTRY UNLOCK FUNCTION (a) Che

     Customize Parameters

    CUSTOMIZE PARAMETERS CUSTOMIZE WIRELESS DOOR LOCK CONTROL SYSTEM Click here CUSTOMIZE SMART KEY SYSTEM (for Entry Function) HINT: The following items can be customized. NOTICE: When the cu

     Problem Symptoms Table

    PROBLEM SYMPTOMS TABLE HINT: If a problem occurs in certain locations or at certain times of day, check for the possibility of wave interference. When the electrical key transmitter sub-ass

    SEE MORE:

     Terminals Of Ecu

    TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly. Click here (b) Connect the power distribution box assembly connectors. (c) Measure the vo

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 REAR ENGINE OIL SEAL 11401L - - 2 NO. 1 CRANKSHAFT POSITION SENSOR PLATE 19315 - - 3 DRIVE PLATE AND RING

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