CONDITION - susala

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Tech Tip T-TT-0662-21 August 31, 2021 Subject Market 12.3" Screen Intermittently Blank Diagnosis USA Service Category Section Audio/Visual/Telematics Navigation/Multi Info Display Applicability Applicable Models APPLICABLE VEHICLES 2020-2022 Highlander 2021-2022 Mirai 2021-2022 Venza HV 2020-2022 Highlander HV CONDITION Some 2020-2022 model year Highlander and Highlander HV, 2021-2022 model year Venza HV and Mirai vehicles equipped with Premium Audio System with the 12.3” touch screen may experience an intermittent blank screen. The following recommendation is to assist in the proper diagnosis of this issue to promote fix-it-right the first-time protocols. RECOMMENDATIONS 1. With the condition occurring, place the vehicle in reverse, does the backup camera operate? - Yes, continue to the next step - No, begin diagnosis of the Multi-Display Screen using the appropriate Repair Manual. 2. When the condition is occurring, is the radio still playing audio through the speakers and does the Toyota logo appear when the system recovers? - Yes, begin diagnosis of the Multi-Display ECU (Integration Control Sub-Assembly) using the appropriate Repair Manual. - No, continue to the next step 3. When the condition is occurring, does the radio stop playing and the Toyota logo does NOT appear when the system recovers? - Yes, begin diagnosis of the Radio Receiver using the appropriate Repair Manual. - No, this Tech Tip does not apply, please continue diagnosis using the appropriate repair manual. LINK REFERENCES This Tech Tip does not contain any link references Expires on 08/31/2022 © 2021, Toyota Motor Sales, USA Page 1 of 1 Ver. 3.0 07/30/2021 T