Workshop Manuals Factory service & repair Rover
01 Information02 General data03 Engine04 Engine management system – PGM-Fi05 Cooling system, manifold and exhaust06 Clutch07 Manual gearbox08 Automatic gearbox09 Drive shafts10 Differential – manual gearbox11 Differential – automatic gearbox12 Steering13 Suspension14 Brakes and ABS15 Brakes – ABS BY416 Body17 Heating and ventilation18 Electrical19 Supplementary restraint system (SRS)
Rover Rover 600 Repair Manual - Volumes 1 and 2 - 2nd Edition08 · Automatic gearbox
08 · Transmission

Shift control

Make
Rover
Model
600 Rover 600 Repair Manual - Volumes 1 and 2 - 2nd Edition
Section
Information › Shift control
Automatic gearboxShift control

The electronic control system consists of the transmission control module, sensors, and 4 solenoid valves. Shifting and lock – up are electronically controlled for comfortable driving under all conditions. The transmission control module is located in the passenger’s footwell.

Shift control

Receiving a signal from each sensor, the transmission control module determines the appropriate gear and activates shift control solenoid valves A and/or B.

The combination of driving signals to shift control solenoid valves A and B is as follows: –

Shift control solenoid valve
Position (gear)
AB
1 (1st)ONOFF
2 (2nd)ONON
D4 and D3 (1st)OFFON
D4 and D3 (2nd)ONON
D4 and D3 (3rd)ONOFF
D4 (4th)OFFOFF
R (Reverse)ONOFF

Lock – up Control

From sensor input signals, the transmission control module determines whether to turn the lock – up ON or OFF and activates lock – up control solenoid valve A and/or B accordingly. The combination of driving signals to lock – up control solenoid valves A and B is as follows: –

Solenoid valve
Lockup condition
AB
Lock – up OFFOFFOFF
Lock – up, slightONDuty operation, OFF – ON
Lock – up, halfONON
Lock – up, fullONON
Lock – up during decelerationONDuty operation, OFF – ON

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