| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001N35T |
| Model Year Start: 2021 | Model: Corolla | Prod Date Range: [04/2020 - 09/2022] |
| Title: HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY with P610): CHECK FOR INTERMITTENT PROBLEMS; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022] | ||
CHECK FOR INTERMITTENT PROBLEMS
CHECK FOR INTERMITTENT PROBLEMS
(a) Perform a simulation test.
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![2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
(1) For the simulation test, reproduce the driving conditions that were present when the problem occurred. These conditions should be based on the customer's comments and freeze frame data that is recorded with DTCs, such as the opening angle of the accelerator pedal, SOC (state of charge), engine coolant temperature, engine speed, and generator (MG1) / motor (MG2) rpm and torque.
(b) Check the connector(s) and terminal(s).
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(c) Wiggle the harness and connector(s).
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(d) Heat or cool suspected parts.
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