Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Precaution

Toyota Corolla Cross (2022-2026) Service Manual / Power Source & Network / Power Distribution / Power Integration System / Precaution

PRECAUTION

PRECAUTION FOR POWER DISTRIBUTION BOX ASSEMBLY

(a) Do not remove or install the power distribution box assembly with the negative (-) auxiliary battery terminal connected.

NOTICE:

  • After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

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  • When disconnecting and reconnecting the auxiliary battery.

    HINT:

    When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

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(b) Make sure that the power distribution box assembly is not exposed to water, as it is not waterproof.

(c) Some loads are connected to circuits with dedicated overcurrent protection. Therefore, do not use parts other than those specified for the vehicle.

(d) When replacing the power distribution box assembly, the system may not operate normally if the same part number is not used.

(e) Confirm that all related systems are operating normally before proceeding with troubleshooting.

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    SYSTEM DIAGRAM

     System Description

    SYSTEM DESCRIPTION LOAD OPERATION OUTPUT (a) Load is turned on or off according to the operation signals and switch signals from each ECU. Components Power Distribution Box

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     Operation Check

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     Installation

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