GS 400 V8-4.0L (1UZ-FE) (1999)
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Transmission Mode Switch: Testing and Inspection
CIRCUIT DESCRIPTION
The ECM memory contains the shift programs for the NORMAL, POWER and SNOW patterns, 2 position, L position and the lock-up patterns. By
following the programs corresponding to the signals from the pattern select switch, the park/neutral position and other various sensors, the ECM switches
the solenoid valves ON and OFF, and controls the transmission gear change and the lock-up clutch operation.
WIRING DIAGRAM
Step 1
INSPECTION PROCEDURE