Listed below are the general maintenance items that should be performed at the intervals specified in the “Scheduled Maintenance Guide”, “Owner’s Manual Supplement”. It is recommended that any problem you notice should be brought to the attention of your Toyota dealer or qualified service shop for advice.
Maintenance requirementsSystem Diagram
SYSTEM DIAGRAM
1. CAN AND DIRECT LINE SIGNALS
2. INPUT AND OUTPUT SIGNALS OF THE ACCESSORY METER ASSEMBLY
Warning light or indicator light
Communication Signal
Receiver
Communication Line
Sender
...
Front Occupant Classification Sensor RH Circuit Malfunction (B1781)
DESCRIPTION
The front occupant classification sensor RH circuit consists of the occupant
classification ECU and front occupant classification sensor RH.
DTC B1781 is recorded when a malfunction is detected in the front occupant classification
sensor RH c ...
Driver Side Power Mirror cannot be Adjusted with Power Mirror Switch
SYSTEM DESCRIPTION
When the mirror adjust switch is operated, the main body ECU (driver side junction
block assembly) detects the switch operation and sends the mirror adjust switch
signal to the outer mirror control ECU assembly (driver door) via CAN com ...