Toyota Corolla Cross: System Description
SYSTEM DESCRIPTION
POWER MIRROR CONTROL SYSTEM DESCRIPTION
(a) This system has the following functions: electrical remote control mirror function and mirror heater function.
FUNCTION OF MAIN COMPONENT
|
Component | Function | |
|---|---|---|
|
Outer rear view mirror assembly |
Vertical mirror motor | Receives signals from the outer mirror switch assembly and adjusts the mirror surface position vertically. |
|
Horizontal mirror motor | Receives signals from the outer mirror switch assembly and adjusts the mirror surface position horizontally. | |
|
Mirror heater | When the mirror heater switch (rear window defogger switch) on the air conditioning control assembly is operated, the air conditioning amplifier assembly detects the switch operation via LIN communication. The air conditioning amplifier assembly operates MIR HTR relay and mirror heaters in accordance with the switch operation. | |
|
Outer mirror switch assembly |
Mirror select switch | Consists of individual R and L switches. One must be selected to operate the mirror adjust switch. |
|
Mirror adjust switch | After selecting the R or L switch, the right, left, up and down control switches can be operated to change the angle of the mirror surface. | |
SYSTEM OPERATION
(a) The power mirror control system has the following features:
|
Function | Outline |
|---|---|
|
Electrical remote control mirror function |
When the outer mirror switch assembly is operated, this function moves the mirror surface vertically or horizontally to enable the driver to attain an optimal mirror angle. Turning the mirror select switch to the R position operates the right side mirror, and turning the mirror adjust switch to the L position operates the left side mirror. |
|
Mirror heater function | Turns on the mirror heaters when the rear window defogger is turned on. The rear window defogger and mirror heaters automatically turn off 15 minutes after the rear window defogger and mirror heaters were activated. |
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the power mirror control system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK CHECK ELECTRICAL REMOTE CONTROL MIRROR FUNCTION
(a) Turn the ignition switch to ON. (b) With L on the mirror select and mirror adjust switch selected, check that the outer rear view m
Problem Symptoms Table
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
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Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 VACUUM SENSOR GROMMET
- -
- -
2 VACUUM SENSOR ASSEMBLY
89420H
- -
3 BRAKE MASTER CYLINDER SUB-ASSEMBLY
472
Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Blind spot monitor data and Diagnostic Trouble Codes (DTCs)
can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system
seems to be malfunctioning, use the GTS to check for malfunctions and to perform
repairs.
CHECK DLC3
(a) Check the
