TERMINALS OF ECU
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
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CHECK HEADLIGHT ECU SUB-ASSEMBLY LH
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CHECK HEADLIGHT ECU SUB-ASSEMBLY RH
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Toyota 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 > Seat Heater System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
If the battery voltage is low, the seat heater system may not operate. Refer
to Data List for power steering system.
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HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the p ...