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 > Front Camera System(for Gasoline Model): Yaw Rate Sensor Zero Point Malfunction (C1AA6)
DESCRIPTION The skid control ECU (brake actuator assembly) receives vehicle stability signals from the yaw rate sensor (airbag ECU assembly). If the skid control ECU (brake actuator assembly) detects a yaw rate sensor zero point malfunction signal, it informs the forward recognition camera via CAN c ...
