Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
9. CONTROL SYSTEM
The TCM is constantly monitoring the driving conditions of the vehicle using the eleven input signals. Based on the conditions it has determined,
the TCM adjusts the duty ratio of current to the transfer duty solenoid thus changing the engagement of the multi-plate clutch. The input signals
are used also for automatic transmission control.
M: TRANSFER CONTROL
1. NON-TURBO MODEL