Land Rover Range Rover Etm 1995 4th Edition Rover Manual
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Page 81
TRANSFER GEARBOXB6 3CIRCUIT DIAGRAM Z238 Body Electrical Control Module (BECM) C624 13 3 W 2 23 15 GR 14 NR S607 30 F 4 30 A See Ground Dis- tribution Automatic Gear- box S604 X190 Vehicle Speed Sensor E621 30 U 1 C603 C567 P 14C56013 3 C660S603Z256 Transfer Gear Box ECU 7C625 1 21 15 F 6 10 A WY 24PC6034 Automatic TransmissionManual Trans- mission 4 C625 36 4 35 NY NW5 C626 15 29 S601 R UZ268 Vehicle Speed Sensor Shield Z238 Body Electrical Control Module (BECM)B B BFuse F11 is only installed when...
Page 82
TRANSFER GEARBOXB6 4CIRCUIT DIAGRAMC626 X298 Transfer Micro Switch/Shift Lock Solenoid [1] Transfer Micro Switch [2] Lo Range Selected [3] Shift Lock Solenoid (with Shift Lock only) X297 Transfer Switch Manual [1] Change Range [2] On with Lo Range Se- lected 1 C635 B6 B Z256 Transfer Gear Box ECU 6 S607 See Ground Dis- tribution E621C625Z238 Body Electrical Control Module (BECM) C603 33 2PG 5 Manual Trans- missionAutomatic Transmission B 2 C615APR With Shift Inter- lock 11C625Z238 Body Electrical Control...
Page 83
TRANSFER GEARBOXB6 5CIRCUIT DIAGRAM Diesel Petrol 18C626 20 1 Automatic Transmission N 28C572 UNUN 2 0 1 34 C603 E529 S551 N B See Ground Dis- tribution UN C581 3 C551 34 C603 Manual Trans- mission C660 11 C560 C563 C563 Not used 3 C551 C5604 C660 8 UB 1 X294 Gear Box Posi- tion Switch [1] X Switch [2] Y Switch [3] Z Switch [1] 0 9 UP 2 See Ground Dis- tribution 6 E621 C562 [2] 0 7 C660 610 18 C626 UG 3 [3] 0 C562 C659 C559S608 S609 S610 Automatic Gear- box C560 XYZ C626 E574Petrol Diesel Z256 Transfer...
Page 84
TRANSFER GEARBOXB6 6CIRCUIT DIAGRAM5 Z256 Transfer Gear Box ECU 17 KB 1 K154 Transfer Box Drive Motor/ Encoder 1 0 32 KN 2 1 0 17C660 1819 7 KR 4 1 0 C560 S1 S2 S4 31 KU 3 1 0 S3 16 C568 25 RP 26 RP 7 2C658 1 1 C603 RS 8C568 C558 2 111 0 10 01 0010 0000 1000 1001 00 10 0101S2 S3 S4 19C603 Z256 Transfer Gear Box ECU B C560 2 C660 BG M S1 Left Stop Left of Hi Mode Neutral Mode Zone 1 Right of Hi Mode Hi Mode Right Stop Lo Mode Zone 2RS 0100 1 = 0 =Switch Open Switch Closed
Page 85
AUTOMATIC GEARBOXB7 CIRCUIT OPERATION1 CIRCUIT OPERATION Economy, Sport and Manual Modes The Auto Gear Box Control Unit (Z255) has various different driving modes available, with Economy being selected automatically on start up. When the vehicle is in High range, Sport mode can be selected. This will make the gear change much more sensitive to throttle movement, thereby shifting down earlier and holding onto lower gears longer than the Economy mode equivalent. If the vehicle is in Low range, then Manual...
Page 86
AUTOMATIC GEARBOXB7 CIRCUIT OPERATION2 MV2 is also used to prevent the driver from selecting reverse when the vehicle is moving forward at more than 8 km/h and from disengaging reverse at reverse speeds greater than 6 km/h. This is known as ªReverse Safetyº and will not be available if MV2 is non±operational and/or the gearbox has defaulted. Torque Converter Lock±Up Solenoid ± pin 42: The torque converter slips to allow smooth operation of the gearbox. Lock±Up occurs when the vehicle reaches a speed of...
Page 87
AUTOMATIC GEARBOXB7 3CIRCUIT DIAGRAM Z238 Body Electrical Control Module (BECM) 11 S 3 12 K 51 1 C626 LG 15 30 F 3 5 A 7 PY 39 15 F 6 10 A 3 C625 W 1 S602See Fuse Details Z132 Engine Control Module (ECM) 31 C507 SR27 YO29 C505 SP 6 C55154 71 C659 S607 726C601 See Ground Dis- tribution E621Z255 Auto Gear Box Control Unit 324721 C601 Z132 Engine Control Module (ECM) 43 SR40C572 YO 6 C55154 SR YO SP Not used C581 BC559 OY C501 W 9Diesel Petrol
Page 88
AUTOMATIC GEARBOXB7 4CIRCUIT DIAGRAM 7 8 Z256 Transfer Gear Box ECU S604 S603 35 C60314 NY NR Z238 Body Electrical Control Module (BECM) S612 11 C6252 RU W 15 F 6 10 A Z255 Auto Gear Box Control Unit 29 C60131 UO YR 316 C626 5 Z254 H Gate Sensor Module [1] Mode (MES) Switch [2] Illumination 1 C617 HiLo 1129710 C617 16 6 46 C601 S606 S605 [2] [1] MANUAL SPORT P R N D 3 2 1 P R N 4 3 2 1 01 See Ground Dis- tribution E621 HI LO 15 31MES1 MES2 S/E/M NY NR YG Interior Lamps E00 SPORT01 MANUAL10 11 MES1 MES2...
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AUTOMATIC GEARBOXB7 5CIRCUIT DIAGRAM UB Z254 H Gate Sensor Module O O O O O O O See Ground Dis- tribution E574Note! Status of X, Y, Z Switches only affects Red Illumination dots P R N D 3 2 1 XYZ S610 S609C617 5 4 3 18 C6269 UG UP8 UBZ238 Body Electrical Control Module (BECM) S608UP UG X294 Gear Box Position Switch [1] X Switch [2] Y Switch [3] Z Switch 5 C562 S551 B E529 See Ground Dis- tribution E621 6BG 5 C560 C660 10 C559 C659 XYZ [1] [2] [3] 00 0P R N D321P R N D321 Not used Not used C551 1 4 C562 3...
Page 90
AUTOMATIC GEARBOXB7 6CIRCUIT DIAGRAM 101 211 310 400 MV1 MV2 1 = 0 =Z255 Auto Gear Box Control Unit 19 C601 3 C559 C659 OLG Z255 Auto Gear Box Control Unit Z263 Gearbox Case [1] MV1 Solenoid [2] MV2 Solenoid [3] Converter Lock Up Sole- noid [4] Pressure Regulator So- lenoid [5] Output Shaft Speed Sensor Solenoid Ener- gized Solenoid Not En- ergized [1][2][3][4] H 4 5 K 5 24 6 42 B 8C559 C659 6 L 8 2 F C561 9C560 C660 38 C601 E SCR SCR 10 20 SCR + ± [5] M C561 OP OW SO OGOK OB KLGear Z269 Output Shaft...