Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: How To Proceed With Troubleshooting

Toyota Corolla Cross (2022-2026) Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Entry Function, Gasoline 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:

     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 WASHER NOZZLE SUB-ASSEMBLY 85035 - - ● Non-reusable part - - PROCEDURE 1. REMOVE WASHER NOZZLE SUB-ASSEMBLY Separate in this Directi

     IG2 Signal Circuit Short to Auxiliary Battery (P253012)

    DESCRIPTION The hybrid vehicle control ECU compares the IGP signal to the IG control status signal sent from the certification ECU (smart key ECU assembly) to detect a stuck on malfunction of the IGP signal. HINT: If DTC P253012 is stored, the ignition switch will turn off (READY off). DTC

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