Front Pillar Upper Cover
ComponentsToyota CH-R Service Manual > Occupant Classification System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Occupant Classification System
DTC No.
Detection Item
Link
B1771
Passenger Side Buckle Switch Circuit Malfunction
B1780
Front Occupant Classification Sensor LH Circui ...
Toyota CH-R Service Manual > Lighting System: Interior Light Auto Cut Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls operation of the DOME
CUT relay in order to supply power to the interior lights. When the battery saving
function operates while the interior lights are on, the main body ECU (multiplex
network body ECU) opens the DOME CUT re ...