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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 339 (HV Battery Control System - Diagnostics) >> Circuit Inspection >> DTC P3011-P3029: Battery Block # Malfunction >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

Internal resistance of each battery module is measured, detecting battery deterioration for each block, 1 to 19. Nineteen blocks of battery modules are arranged in the order of 1 to 19 from the ECU side.

Fig 1: Identifying DTC P3011-P3029 Trouble Areas
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