Toyota Sienna Service Manual: Wiper Signal Circuit
DESCRIPTION
The distance control ECU detects wiper operation. If the windshield wipers operate in the HI or LO mode, the cruise control is canceled and the warning sound "pong" is emitted once. In addition, the following warnings will continue until the cruise control main switch is turned off:
- The CRUISE main indicator light blinks.
- The master warning light illuminates.
- The warning code "E2" is displayed on the display in the combination meter.
After HI or LO wiper operation stops, pushing the cruise control main switch to + (ACCEL)/RES (RESUME) will resume the vehicle speed set prior to cancellation.
Cruise control is available when the windshield wipers operate in the intermittent mode.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT WIPER SYSTEM
Check that the windshield wipers operate in HI mode.
OK: Wiper function is normal.
2 CHECK HARNESS AND CONNECTOR (DISTANCE CONTROL ECU - WINDSHIELD WIPER SWITCH)
- Disconnect the D2 distance control ECU connector and C12 windshield wiper switch connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Laser Sensor Power Source Circuit
DESCRIPTION
This circuit provides power to the laser sensor. The laser sensor emits radio
waves towards an object in
front and measures the distance and direction of the object by receiving the
...
Washer Signal Circuit
DESCRIPTION
The distance control ECU detects washer operation. The cruise control will be
cancelled by the distance
control ECU if the windshield wipers operate in the HI or LO mode. By detecting ...
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Power Source Circuit
DESCRIPTION
This is the power source circuit for the outer mirror control ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT OUTER MIRROR CONTROL ECU (POWER SOURCE)
Disconnect the O9 or O11 ECU connector.
Measure the voltage and resistance according to the
value(s) in the t ...
Short to B+ in Side Squib RH Circuit
DTC B0113/42 Short to B+ in Side Squib RH Circuit
DESCRIPTION
The side squib RH circuit consists of the center airbag sensor assembly and
the front seat side airbag
assembly RH.
This circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0113/42 is recorded when a sh ...
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2GR-FE EMISSION CONTROL
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