DESCRIPTION When the sliding roof ECU (sliding roof drive gear assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored. When the sliding roof ECU (sliding roof drive gear assembly) detects a gear position malfunction and the sliding roof operation is stopped, DTC B2344 is stored.
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE: If the sliding roof ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly) must be initialized. Click here PROCEDURE
(a) Check the sliding roof auto operation. Click here OK: Auto operation operates normally.
(a) Clear the DTCs. Body Electrical > Sliding Roof > Clear DTCs(b) Check for DTCs. Body Electrical > Sliding Roof > Trouble CodesOK: DTCs B2341 and B2344 are not output.
(a) Check that the sliding roof ECU (sliding roof drive gear assembly) can be initialized. Click here OK: Sliding roof ECU (sliding roof drive gear assembly) can be initialized.
(a) Clear the DTCs. Body Electrical > Sliding Roof > Clear DTCs(b) Check for DTCs. Body Electrical > Sliding Roof > Trouble CodesOK: DTCs B2341 and B2344 are not output.
(a) Disconnect the O10 sliding roof switch (roof console box sub-assembly) connector. (b) Disconnect the O3 sliding roof ECU (sliding roof drive gear assembly) connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the sliding roof switch (roof console box sub-assembly). Click here
(b) Inspect the sliding roof switch (roof console box sub-assembly). Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Intelligent Clearance Sonar System(for Gasoline Model): Terminals Of Ecu
TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the K34 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition S ...