DTC 21-10 Panel Switch Error
DTC 21-11 Touch Switch Error
DTC 23-10 Panel Switch Error
DTC 23-11 Touch Switch Error
DTC 24-10 Panel Switch Error
DTC 24-11 Touch Switch Error
DTC 25-10 Panel Switch Error
DTC 25-11 Touch Switch Error
DESCRIPTION

INSPECTION PROCEDURE
HINT: After the inspection is completed, clear the DTCs.
1 REPLACE RADIO AND NAVIGATION ASSEMBLY
END
ON / OFF Indication Parameter Error
Error in Picture Circuit/ No Current in Back-light/ Excess Current in
Back-lightPrecaution
1. HANDLING PRECAUTIONS ON STEERING SYSTEM
(a) Be careful to replace the parts properly because
they could affect the performance of the steering
system and result in a driving hazard.
2. HANDLING PRECAUTIONS ON SRS AIRBAG
SYSTEM
(a) The SIENNA is equipped with SRS (Supplemental
Restraint Sys ...
Removal
1. REMOVE BACK DOOR CENTER GARNISH
Using a clip remover, disengage the 5 clips to
remove the back door center garnish.
2. REMOVE REAR SPOILER
Disconnect the center stop light connector.
Remove the 3 nuts.
Using a clip remover, disengage the 2 clips to
remove the rear s ...
Occupant Classification Sensor Power Supply
Circuit Malfunction
DTC B1793 Occupant Classification Sensor Power Supply
Circuit Malfunction
DESCRIPTION
The occupant classification sensor power supply circuit consists of the
occupant classification ECU and
the occupant classification sensors.
DTC B1793 is recorded when a malfunction is detected in the occu ...