Toyota Yaris: Power Mirror Control System / AUTO Power Retract Mirrors do not operate
DESCRIPTION
The outer mirror switch assembly sends a mirror auto retract/return signal to the main body ECU (multiplex network body ECU) when the retractable outer mirror switch on the outer mirror switch assembly is in the AUTO position. The main body ECU (multiplex network body ECU) retracts or returns the outer rear view mirror assemblies based on the lock/unlock signal of each door while the ignition switch is off.
WIRING DIAGRAM
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CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuses for circuits related to this system before performing the following procedure.
-
If the main body ECU (multiplex network body ECU) is replaced, refer to the Registration.
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PROCEDURE
| 1. | CHECK POWER RETRACT MIRROR FUNCTION |
(a) Check the power retract mirror function.
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OK:
Power retract mirror function operates normally.
| NG |
.gif) | GO TO OTHER DIAGNOSIS PROCEDURE (Power Retractable Mirrors do not Operate with Power Retract Mirror Switch) |
|
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| 2. | CHECK POWER DOOR LOCK CONTROL SYSTEM |
(a) Check the power door lock control system.
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OK:
Power door lock control system is normal.
| NG |
| GO TO POWER DOOR LOCK CONTROL SYSTEM |
|
| 3. | CHECK WIRELESS DOOR LOCK CONTROL SYSTEM |
(a) Check the wireless door lock control system.
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OK:
Wireless door lock control system is normal.
| NG |
| GO TO WIRELESS DOOR LOCK CONTROL SYSTEM |
|
| 4. | CHECK SMART ENTRY AND START SYSTEM (for Entry Function) |
(a) Check the smart entry and start system (for Entry Function).
Click here
OK:
Smart Entry and start system (for Entry Function) is normal.
| NG |
| GO TO SMART ENTRY AND START SYSTEM (for Entry Function) |
|
| 5. | READ VALUE USING GTS (Outer Mirror Auto Switch) |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Main Body > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Outer Mirror Auto Switch | Retractable outer mirror switch signal | OFF or ON | OFF: Retractable outer mirror switch not in auto position ON: Retractable outer mirror switch in auto position | - |
| Tester Display |
|---|
| Outer Mirror Auto Switch |
OK:
On the GTS screen, ON or OFF is displayed accordingly.
| OK |
| REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
| 6. | INSPECT OUTER MIRROR SWITCH ASSEMBLY |
Click here
| NG |
| REPLACE OUTER MIRROR SWITCH ASSEMBLY |
|
| 7. | CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH ASSEMBLY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) |
(a) Disconnect the H5 main body ECU (multiplex network body ECU).
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| L12-9 (MAT) - H5-26 (AMR) | Always | Below 1 Ω |
| L12-9 (MAT) or H5-26 (AMR) - Body ground | Always | 10 kΩ or higher |
| OK |
| REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
Power Retractable Mirrors do not Operate with Power Retract Mirror Switch
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)