| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001H16Y |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for HV Model): DIAGNOSIS SYSTEM; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Power window control system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
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![2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: GENERAL INFORMATION](/t3Portal/stylegraphics/info.gif)
INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage with the power switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery.
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