DESCRIPTION This DTC is set when the DCM (Telematics Transceiver) detects an open or short circuit in the manual (SOS) switch.
WIRING DIAGRAM w/o Sliding Roof![]() ![]() CAUTION / NOTICE / HINT HINT: Before performing this diagnostic procedure, make sure to perform Health Check and confirm that the DCM/VIN registration information is correct. Click here
PROCEDURE
(a) Choose the model to be inspected.
(a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG) and wait for 10 seconds. (d) Turn the Techstream on. (e) Clear the DTCs. Body Electrical > Telematics > Clear DTCs(f) Recheck for DTCs. Body Electrical > Telematics > Trouble Codes
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Disconnect the G9 DCM (Telematics Transceiver) connector. (b) Disconnect the O10 roof console box sub-assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Replace the DCM (Telematics Transceiver). Click here NOTICE:
(a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG) and wait for 10 seconds. (d) Turn the Techstream on. (e) Clear the DTCs. Body Electrical > Telematics > Clear DTCs(f) Recheck for DTCs. Body Electrical > Telematics > Trouble Codes
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Disconnect the G9 DCM (Telematics Transceiver) connector. (b) Disconnect the O9 roof console box sub-assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Replace the DCM (Telematics Transceiver). Click here NOTICE:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): Parts Location
PARTS LOCATION ILLUSTRATION *1 PARK/NEUTRAL POSITION SWITCH ASSEMBLY *2 ST RELAY *3 STARTER ASSEMBLY *4 ECM *5 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - IG2 NO. 1 RELAY - ECU-IG2 NO. 2 FUSE - ST NO. 1 FUSE - - ILLUSTRATION *1 NO. 1 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY (FRON ...