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:
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
PROCEDURE
1. CHECK AUXILIARY BATTERY
(a) Check that the auxiliary battery cables are connected to the correct terminals.
If they are not, connect them properly.
(b) Check the auxiliary battery for damage and deformation. If severe damage,
deforma
DESCRIPTION Refer to DTC P062712. Click here
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Note
P062714 Fuel Pump "A" Control Circuit Short to Ground or Open
When the fuel pump control ECU operation duty ratio is 3 to 65%, the FPC terminal