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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different car >> Section 435 (Hybrid Battery System (Li-Ion W/ Pa10) - Diagnostic Codes (2 Of 2) & Circuit Tests) >> HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY with PA10) >> "HAVE TRACTION BATTERY INSPECTED" is displayed [09/2022 - ] >> Description

"HAVE TRACTION BATTERY INSPECTED" is displayed [09/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Toyota Corolla, 2024 Toyota Corolla, and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

The battery ECU assembly monitors the SOC (State Of Charge) of the HV battery. When it finds the HV battery has deteriorated excessively, it will display "Have Traction Battery Inspected" on the multi-information display. If "Have Traction Battery Inspected" is displayed, perform "Battery Diagnosis" and replace the HV battery as necessary.