REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during telephone and GPS antenna assembly removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing. Click here
 Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)
CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing. Click here
PROCEDURE 1. REMOVE ROOF HEADLINING ASSEMBLY Click here
2. REMOVE TELEPHONE AND GPS ANTENNA ASSEMBLY WITH COVER
(c) Remove the washer and holder as shown in the illustration. 
(d) Remove the telephone and GPS antenna assembly with cover as shown in the illustration. 
3. REMOVE TELEPHONE AND GPS ANTENNA ASSEMBLY (a) Pull the telephone and GPS antenna assembly in the direction indicated by the arrow (1) shown in the illustration to disengage the 3 claws and 2 guides. 
(b) Pull the telephone and GPS antenna assembly in the direction indicated by the arrow (2) shown in the illustration to disengage the guide and remove the telephone and GPS antenna assembly. (c) When reusing the telephone and GPS antenna assembly:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Definition Of Terms
DEFINITION OF TERMS Term Definition Monitor Description Description of what the hybrid vehicle control ECU monitors and how to detects malfunctions (monitoring purpose and its details). Related DTCs A group of diagnostic trouble codes that are output by the hybrid vehicle control ECU based on the sa ...
