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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How To Proceed With Troubleshooting
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
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
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
SEE MORE:
Knock Sensor 1 Bank 1 or Single Sensor Circuit Short to Battery or Open (P032515,P033015)
DESCRIPTION Refer to DTC P032511. Click here
HINT: When DTC P032515 or P033015 is stored, the ECM enters fail-safe mode. During fail-safe mode, the ignition timing is delayed to its maximum retardation. Fail-safe mode continues until the engine switch is turned off.
DTC No. Detection Ite
Precaution
PRECAUTION
NOTICE:
This vehicle is equipped with an SRS (Supplemental Restraint System). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing. This may cause a serious accident. Before servicing (including inspection, repla
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