Toyota Venza: System Description
SYSTEM DESCRIPTION
1. SYSTEM DESCRIPTION
(a) The Electronic Controlled Automatic Transaxle (ECT) is an automatic transaxle that has its shift timing electronically controlled by the Transmission Control Module (TCM). The TCM detects electrical signals that indicate engine and driving conditions, and controls the shift point, based on driver's habits and road conditions. As a result, fuel efficiency and transaxle performance are improved.
Shift shock has been reduced by controlling the engine and transaxle simultaneously.
In addition, the ECT has features such as:
- Diagnostic function.
- Fail-safe function for use when a malfunction occurs.
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
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System Diagram
SYSTEM DIAGRAM
The configuration of the electronic control system in the U660E automatic transaxle
is as shown in the following chart.
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Other materials about Toyota Venza:
No Sound can be Heard from Speakers
PROCEDURE
1.
CHECK AUDIO SETTINGS
(a) In sound output setting mode, set volume, fader and balance to the initial
values and check that the sound is normal.
OK:
Audio system returns to normal.
HINT:
Sound quality adjustm ...
Brake Switch "B" Circuit High (P0724)
DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling when the brakes
are suddenly applied while driving in the lock-up condition.
When the brake pedal is depressed, this switch sends a signal to the TCM. Then
the TCM cancels the ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 1 MANIFOLD CONVERTER INSULATOR
(a) Install the No. 1 manifold converter insulator to the exhaust manifold
converter sub-assembly with the 4 bolts.
Torque:
12 N·m {122 kgf·cm, 9 ft·lbf}
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0.1356