Tacoma Extra Cab 4WD V6-3.4L (5VZ-FE) (1998)
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Transmission Mode Switch: Testing and Inspection
Pattern Select Switch Circuit
CIRCUIT DESCRIPTION
The ECM memory contains the shift programs for the NORMAL and POWER patterns, 2 position, L position and the lock-up patterns. 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