Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: 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)
      • : Steering lock 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.

Result

Proceed to

NEXT (for HEV Model)

A

NEXT (for Gasoline Model)

B

A

GO TO SMART KEY SYSTEM (for Start Function, HEV Model)

B

GO TO SMART KEY SYSTEM (for Start Function, Gasoline Model)

    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 HINT: The switches described in thi

     Customize Parameters

    CUSTOMIZE PARAMETERS CUSTOMIZE WIRELESS DOOR LOCK CONTROL SYSTEM NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to m

     Problem Symptoms Table

    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order

    SEE MORE:

     Diagnosis System

    DIAGNOSIS SYSTEM DESCRIPTION The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3). When the s

     Repair

    REPAIR PROCEDURE 1. REPAIR EXHAUST VALVE SEAT NOTICE: While repairing the exhaust valve seat, make sure to constantly check the valve seat width and valve seating position. Release the cutter gradually to make the exhaust valve seat smooth. (a) Using 45° cutters, correct the exhaust

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