Toyota Camry (XV70): System Description
SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
(a) The Electronic Controlled Automatic Transaxle (ECT) is an automatic transaxle that electronically controls shift timing using the ECM. The ECM detects electrical signals that indicate engine and driving conditions, and controls shift points based on driver habits and road conditions.
Shift shock is reduced by controlling the engine and transaxle simultaneously.
In addition, the ECT has the following features:
- Diagnostic function.
- Fail-safe function when a malfunction occurs.
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CAUTION / NOTICE / HINT
HINT:
The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN commu
ROAD TEST PROBLEM SYMPTOM CONFIRMATION (a) Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem is that the transaxle does not shift up, shift down, or t
MECHANICAL SYSTEM TESTS STALL SPEED TEST
CAUTION:
Do not perform a stall test if there are any people or objects near the vehicle.
The vehicle could begin moving suddenly, resulting in a
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INSPECTION PROCEDURE 1. INSPECT NAVIGATION ANTENNA ASSEMBLY (w/o Manual (SOS) Switch)
(a) Check that the navigation antenna assembly cable is properly installed and does not have any sharp bends, pinching or loose connections.
(b) Current consumption check:
(1) Measure the current consumpt
COMPONENTS ILLUSTRATION
*1 VENTILATION HOSE
*2 PURGE VALVE (PURGE VSV)
*3 NO. 1 FUEL VAPOR FEED HOSE
*4 NO. 2 SURGE TANK STAY
*5 INTAKE AIR SURGE TANK ASSEMBLY
*6 AIR SURGE TANK TO INTAKE MANIFOLD GASKET
*7 VACUUM HOSE SUB-ASSEMBLY