Landcruiser AWD L6-4.5L (1FZ-FE) (1997)
Transmission Mode Switch: Description and Operation
Pattern Select Switch Circuit (PWR Mode Switch)
CIRCUIT DESCRIPTION
The ECM memory contains the shift programs for the NORMAL and POWER patterns, 2 position, and L position and the lock-up patterns.
Following the programs corresponding to the signals from the pattern select switch, the park/neutral position switch and other various sensors, the
ECM switches the solenoid valves ON and OFF, and control the transmission gear change and the lock-up clutch operation.
Pattern Select Switch Circuit (2ND Start Switch) & 2ND Start Switch Indicator Light Circuit
CIRCUIT DESCRIPTION
When 2nd start mode is selected with the pattern select switch, the ECM controls the solenoid valves and the transmission starts from 2nd gear.
In D position, the transmission automatically shifts up through 3rd to O/D as usual.
In 2nd position, the transmission is held in 2nd gear.