PREPARATION
Special Service Tools
The actual shapes of the tools may differ from those illustrated here.

Commercial Service Tools

Precaution
Symptom diagnosisSymptom diagnosis
SYSTEM SYMPTOM
Symptom Table
The diagnostics item numbers show the sequence for
inspection. Inspect in order from item 1.
...
TCM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
TCM
Harness connector F1
Harness con ...
Hydraulic control system
System Diagram
System Description
The hydraulic control mechanism consists of the oil pump directly driven by
the engine, the hydraulic control
valve that controls line pressure and transmission, and the input signal lin
LINE PRESSURE AND SECONDARY PRESSURE CONTROL
When an input t ...