Toyota Corolla Cross: Operation Check
OPERATION CHECK
CHECK WINDOW DEFOGGER SYSTEM
NOTICE:
If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the window defogger system may not operate.
HINT:
The window defogger system is linked with the mirror heater function.
(a) Turn the ignition switch to ON.
(b) Check that the rear window defogger wire becomes warm by operating the rear window defogger switch of the air conditioning control assembly.
(c) When the vehicle is stopped, confirm that the window defogger system operation stops after approximately 15 minutes.
READ NEXT:
PROBLEM SYMPTOMS TABLE NOTICE: If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. I
TERMINALS OF ECU CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Remove the main body ECU (multiplex network body ECU). Click here
*1 Power Dist
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a p
SEE MORE:
VEHICLE CONTROL HISTORY
NOTICE:
Replacing or repairing related components may cause vehicle control history codes to be stored.
When checking the vehicle control history, make sure to record the output histories. Then, clear the histories and recheck the output histories again.
CHECK
DIAGNOSTIC TROUBLE CODE CHART
LIN Communication System
DTC No.
Detection Item
Link
B120687
P/W Master SW System Missing Message
B127387
Sliding Roof System Missing Message
