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:
PARTS LOCATION ILLUSTRATION
*A for 2WD
- -
*1 ECM
*2 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 ENGINE ROOM JUNCTION BLOCK
- IG2 NO. 1 RELAY - EFI-MAIN NO. 2 RELAY - INJ FUSE
*3 FUEL TANK ASSEMBLY
*4 FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEM
INSPECTION PROCEDURE 1. INSPECT CANISTER (CHARCOAL CANISTER ASSEMBLY)
(a) Visually check the canister (charcoal canister assembly). (1) Visually check the canister (charcoal canister assembly) for cracks or damage.
If cracks or damage is found, replace the canister (charcoal canister assembly).