DESCRIPTION This DTC is stored when a power seat motor operates (a position control sensor is being supplied with power) and the power supply voltage does not rise to the specified value.
WIRING DIAGRAM PROCEDURE
(a) Clear the DTCs. Body Electrical > Driver Seat > Clear DTCs
(a) Check for DTCs. Body Electrical > Driver Seat > Trouble CodesOK: DTC B2658 is not output.
(a) Disconnect the R32 position control ECU assembly connector. (b) Disconnect the R23 slide motor (separate type front seat cushion spring assembly LH) connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Reconnect the R23 slide motor (separate type front seat cushion spring assembly LH) connector. (b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(a) Disconnect the R32 position control ECU assembly connector. (b) Disconnect the R27 front vertical motor (separate type front seat cushion spring assembly LH) connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Reconnect the R27 front vertical motor (separate type front seat cushion spring assembly LH) connector. (b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(a) Disconnect the R32 position control ECU assembly connector. (b) Disconnect the R29 lifter motor (separate type front seat cushion spring assembly LH) connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Reconnect the R29 lifter motor (separate type front seat cushion spring assembly LH) connector. (b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(a) Disconnect the R32 position control ECU assembly connector. (b) Disconnect the a10 reclining motor (front seatback frame sub-assembly LH) connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Reconnect the a10 reclining motor (front seatback frame sub-assembly LH) connector. (b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(a) Replace the front vertical motor (separate type front seat cushion spring assembly LH) with a new or known good one. Click here
(a) Clear the DTCs. Body Electrical > Driver Seat > Clear DTCs(b) Recheck for DTCs. Body Electrical > Driver Seat > Trouble CodesOK: DTC B2685 is not output.
(a) Replace the lifter motor (separate type front seat cushion spring assembly LH) with a new or known good one. Click here
(a) Clear the DTCs. Body Electrical > Driver Seat > Clear DTCs(b) Recheck for DTCs. Body Electrical > Driver Seat > Trouble CodesOK: DTC B2685 is not output.
(a) Replace the slide motor (separate type front seat cushion spring assembly LH) with a new or known good one. Click here
(a) Clear the DTCs. Body Electrical > Driver Seat > Clear DTCs(b) Recheck for DTCs. Body Electrical > Driver Seat > Trouble CodesOK: DTC B2685 is not output.
(a) Replace the reclining motor (front seatback frame sub-assembly LH) with a new or known good one. Click here
(a) Clear the DTCs. Body Electrical > Driver Seat > Clear DTCs(b) Recheck for DTCs. Body Electrical > Driver Seat > Trouble CodesOK: DTC B2685 is not output.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Gasoline Model): TRAC does not Operate
DESCRIPTION When TRAC or VSC is operating, the skid control ECU (brake actuator assembly) blinks the slip indicator light to inform the driver that slippage occurred. When in VSC off mode, or TRAC and VSC are disabled, the multi-information display in the combination meter assembly displays "Tractio ...