Toyota Yaris: Wiper And Washer System / System Description
SYSTEM DESCRIPTION
FRONT WIPER CONTROL FUNCTION
Control/Function | Description |
MIST function | Operates the front wipers in LO when the front wiper switch is held in the MIST position. |
Auto operation | Operates the wipers as requested by the rain sensor when the front wiper switch is in the AUTO position. |
Intermediate position return function | Resumes wiper operation according to the operation of the front wiper switch or washer switch when the wipers are stopped in any position other than the lower reverse position. |
Vehicle speed sensing type adjustable intermittent wiper control | Controls the delay of the front wipers when the front wiper switch is in the AUTO position. HINT: -
The intermittent operation interval is controlled by the auto sensitivity adjustment switch.
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The intermittent operation interval changes in accordance with the vehicle speed.
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When the front wiper switch is in the AUTO position and the vehicle is stopped, the front wipers operate for 1 cycle when the vehicle starts off.
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When the auto sensitivity adjustment switch is moved to a faster position, the delay is reset and control begins according to the new setting.
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Vehicle speed linked wiper operation control | Operates the wipers as follows when the vehicle is stopped. -
When the vehicle speed is 5 km/h (3 mph) or lower and the auto sensitivity adjustment switch is in any position other than P4, if the front wiper switch is moved to the LO position, the wipers will operate in LO for 3 cycles and then at 2.5 seconds intervals.
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When the auto sensitivity adjustment switch is in any position other than P4 and the front wiper switch is in the LO position, if the vehicle speed decreases to 5 km/h (3 mph) or lower, the wipers will operate in LO for 2 cycles and then at 2.5 seconds intervals.
HINT: -
When this control is operating, if the vehicle speed increases to 7 km/h (4 mph) or more, the front wipers will operate in LO.
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If the auto sensitivity adjustment switch is in the P4 position, this control will not operate and the wipers will operate in LO.
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When the wipers are operating, if the auto sensitivity adjustment switch is moved from P4 to any other position, the wipers will immediately begin operating at 2.5 seconds intervals.
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Protection mode | Suspends wiper operation if the wipers are prevented from operating for 10 seconds or more, in order to protect the wiper and washer system. |
WASHER CONTROL FUNCTION
Control/Function | Description |
Front washer cooperation | -
When the washer switch is held in the Fr WASH position for 0.5 seconds or more, the front wipers operate in LO.
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When the washer switch is released, the front wipers operate in LO for 3 additional cycles.
NOTICE: If the washer switch is held in the Fr WASH position for approximately 40 seconds or more, operation of the windshield washer motor and pump assembly is stopped to prevent burnout, and the front wipers are returned to the park position. |
Drip prevention wiper function | Approximately 3 seconds after front washer cooperation completes, operates the wipers for 1 cycle to remove any remaining washer fluid. HINT: This function only operates when the vehicle is stopped or is being driven at a very low speed (below approximately 7 km/h (4 mph)). |
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the wiper and washer system.
*: Use the GTS.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2...
Other information:
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off...
INSTALLATION PROCEDURE 1. INSTALL FORWARD RECOGNITION CAMERA NOTICE:
When replacing the forward recognition camera, replace it with a new one.
If the forward recognition camera has been struck or dropped, replace it with a new one.
If the forward recognition camera is not properly installed, forward recognition camera optical axis learning cannot be performed properly...
Categories
No special break-in is necessary, but a few precautions in the first 600
miles (1,000 km) may add to the performance, economy, and life of
the vehicle.
Do not race the engine.
Do not maintain one constant speed, either slow or fast, for a long
period of time.
Do not drive constantly at full-throttle or high engine rpm for
extended periods of time.
Avoid unnecessary hard stops.
Avoid full-throttle starts.
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