INSPECTION PROCEDURE 1. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/o Garage Door Opener System) (a) Inspect the operation of the electrochromic inner rear view mirror assembly. 
(1) Connect a positive (+) lead from the auxiliary battery to terminal 1 and a negative (-) lead to terminal 2. (2) Press the AUTO switch. (3) Attach black colored tape to the forward sensor to prevent it from sensing. (4) Light up the mirror with an electric light, and check that the mirror surface changes from bright to dark. OK: Mirror surface changes from bright to dark. (5) Measure the voltage according to the value(s) in the table below. Standard Voltage:
If the result is not as specified, replace the inner rear view mirror assembly. 2. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/ Garage Door Opener System) (a) Inspect the operation of the electrochromic inner rear view mirror assembly. 
(1) Connect a positive (+) lead from the auxiliary battery to terminal 1 and a negative (-) lead to terminal 2. (2) Press the EC switch. (3) Attach black colored tape to the forward sensor to prevent it from sensing. (4) Light up the mirror with an electric light, and check that the mirror surface changes from bright to dark. OK: Mirror surface changes from bright to dark. (5) Measure the voltage according to the value(s) in the table below. Standard Voltage:
If the result is not as specified, replace the inner rear view mirror assembly. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Hv Model): Motor Generator Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Motor Generator Control ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Motor Generator" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history for "Mot ...
