Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
SYSTEM DIAGRAM

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SYSTEM DESCRIPTION
HEATED STEERING WHEEL SYSTEM
(a) The steering heater warms up the steering wheel when the steering heater
switch is turned on.
(b) The steering heater uses a control thermostat
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the heated steering wheel system.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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
SEE MORE:
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 DRAIN ENGINE COOLANT
- -
- 2
INVERTER WITH CONVERTER ASSEMBLY
G92A0 -
- -
3 NO. 3 WATER BY-PASS HOSE
16267 -
DIAGNOSTIC TROUBLE CODE CHART Smart Key System (for Entry Function)
DTC No. Detection Item
Link B27A113
Driver Side Electrical Antenna Circuit Open
B27A213 Front Passenger Side Electrical Antenna Circuit Open
B27A813 Outside Luggage Compar