Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
for Driver Seat
for Front Passenger Seat

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SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the seat heater switch, the temperature can be controlled within the range of 30 to 50°C (86 to 122°F).
(b) The seat heater switch indicator l
OPERATION CHECK CHECK THERMOSTAT IN FRONT SEAT CUSHION HEATER ASSEMBLY LH
(a) Remove the front seat cushion heater assembly LH.
for Manual Seat:
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for Power Seat:
Click here
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of pr
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DESCRIPTION A backup boost converter is built into the engine stop and start ECU. The backup boost converter helps maintain the power source voltage when the engine is restarted by stop and start control.
This prevents various functions such as the audio and visual system from malfunctioning if th
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B007513 Second Row Right Seat Belt Pretensioner Deployment Control Circuit Open
The airbag ECU assembly detects an open in the rear pretensioner