Range Rover 2. Electrical Manual - part 170

AUTOMATIC GEARBOX

B7

6

CIRCUIT DIAGRAM

UB

Z254
’H’ Gate Sensor
Module

O

O

O

O

O

O

O

Note! Status of X,
Y, Z Switches
only affects Red
Illumination dots

P

R

N

D

3

2

1

X

Y

Z

S610

S609

18

C1287

9

UG

UP

8

UB

Z238
Body Electrical
Control Module
(BECM)

S608

UP

UG

See Ground
Distribution

E0808

6

C0244

BG

2

C0988
C0745

X

Y

Z

[1]

[2]

[3]

0

0

0

3

C0244

2

1

4

5

C0745
C0988

33

C1321

14

50

Z255
Auto Gear Box
Control Unit

HI

P

0

1

1

R

0

0

1

N

1

0

1

D

1

0

0

3

0

0

0

2

0

1

0

1

1

1

0

Z*

1

1

1

X

Y

Z

1 =

0 =

* =

Switch Open

Switch Closed

Fault

36

8

37

C1320

Diesel
Petrol

3

5

C0675

4

3

X294
Gear Box
Position Switch

[1]

X Switch

[2]

Y Switch

[3]

Z Switch

AUTOMATIC GEARBOX

B7

7

CIRCUIT DIAGRAM

M

1

0

1

2

1

1

3

1

0

4

0

0

MV1

MV2

1 =

0 =

Z255
Auto Gear Box
Control Unit

53

C1320

6

C0988

C0745

SO

Z255
Auto Gear Box
Control Unit

Z263
Gearbox Case

[1]

MV1
Solenoid

[2]

MV2
Solenoid

[3]

Converter
Lock Up
Solenoid

[4]

Pressure
Regulator
Solenoid

[5]

Output
Shaft Speed
Sensor

Solenoid 
Energized

Solenoid Not
Energized

[1]

[2]

[3]

[4]

B

30

K

10

11

H

12

C0988
C0745

13

D

C0243

14

C0988
C0745

14

C1320

E

SCR

SCR

15

SCR

+

–

[5]

L

C0243

OP

OW

SO

OG

K

Y

Gear

Z269
Output Shaft
Speed Sensor
Shield

19

C1321

Petrol

Diesel

S554

5

24

42

6

20

2

38

C1321 Diesel

Petrol

9

32

15

33

5

42

AUTOMATIC GEARBOX

B7

8

CIRCUIT DIAGRAM

Z238
Body Electrical
Control Module
(BECM)

S205

30

F 1

10 A

Z142
Instrument
Cluster
[15] Control

Unit and
Message
Centre
Display

[15]

8

18

14

5

2

12

2

10

3

13

1

9

5

15

11

17

7

Z238
Body Electrical
Control Module
(BECM)

E0564

7

C1276

C0233

C1280

3

BG

BG

RG

RG

OG

OG

LG

LG

B

B

P

P

See Fuse Details

4

C0233

14

IGNITION AND SHIFT INTERLOCK

C1

CIRCUIT OPERATION

1

Circuit Operation

Selector Interlock

The Gear Selector Lever may only be moved out of
the Park position when the ignition is on and the
brake pedal is depressed. The Shift Lock Solenoid
shall be energised continuously whilst the Ignition is
on and the Gear Selector Lever is in a position other
than Park or Neutral.

Ignition Key Interlock

The Ignition Key Lock Solenoid shall at all times
prevent removal of the Key from the Ignition Switch
unless the Gear Selector Lever is in the Park
position.