10.2 Power lift control ...............................................10-36
10.2.1 Technical drawing of the hydr. lower linkage support ....................10-36
10.2.2 Remove the lower linkage stabilizer solenoid valve Y082/Y083 .............10-40
10.2.3 Install the Y082/Y083 lower link stabilizer solenoid valves ................10-41
11 Overall system/compressed air system ..................................11-1
11.1 Compressed air system ...........................................11-3
11.1.1 Compressed air system (area: trailer brake) ............................11-3
11.1.2 Compressed air system diagram – 842.880.000.001_b ..................11-10
11.1.3 Compressed air system diagram - 842.880.000.002 .....................11-13
11.1.4 Tightening torques for compressed-air connection system ................11-15
11.1.5 "VarioGrip" tire pressure monitoring system, function and layout ............11-17
12 Electrical system .......................................................12-1
12.1 Electrical system .................................................12-5
12.1.1 Circuit diagrams for A050 - basic control ECU ..........................12-5
12.2 Measure and test - A components ................................12-12
12.2.1 A007 - instrument panel .........................................12-12
12.2.2 A009 - actuator unit ............................................12-24
12.2.3 Installing A009 actuator unit ......................................12-32
12.2.4 A011 - radar sensor ............................................12-38
12.2.5 A013 - circuit board, microfuses ...................................12-41
12.2.6 A036 - "dashboard" control panel ...................................12-47
12.2.7 A038 - relay; +supply; K BUS .....................................12-51
12.2.8 A038 - head light, side light, direction indicator ........................12-62
12.2.9 A038 - horn, rotating beacon, wide vehicle marker ......................12-68
12.2.10 A038 - work lights ............................................12-70
12.2.11 A038 - interior lighting .........................................12-73
12.2.12 A038 - mirror heating, rear window heating, windscreen heating; windscreen
wipers ...........................................................12-75
12.2.13 A038 - automatic air conditioning system (heating, air conditioning, ventilation) 12-79
12.2.14 A038 - sockets ...............................................12-85
12.2.15 A038 - Starter and tank pump ....................................12-94
12.2.16 A038 - reverse drive control (Rüfa) ................................12-97
12.2.17 A038 Work light activation .....................................12-103
12.2.18 Test A038 with 160-pin adapter box ..............................12-111
12.2.19 A050 - basic control unit ECU ...................................12-114
12.2.20 A050 - CAN BUS (K BUS, G BUS, V BUS, ISO BUS) ...................12-118
12.2.21 Test A050 with 160-pin adapter box ..............................12-126
12.2.22 A077 - immobilizer ECU: Functional description ......................12-128
12.2.23 A077 - immobilizer ECU .......................................12-129
12.2.24 A082 - nitrogen oxide NOx sensor 1, upstream of SCR (Not G3) ..........12-131
12.2.25 A083 - nitrogen oxide NOx sensor 2, downstream of SCR (Not G3) ........12-132
12.2.26 A084 - AdBlue module (Not G3) .................................12-133
12.2.27 A087 - tire pressure monitoring system (TPMS) ......................12-135
12.2.28 A099 - ECU engine control unit (EDC 17) ...........................12-137
12.2.29 Test A099 with 160-pin adapter box ..............................12-143
12.2.30 A100 - MFA, multifunction armrest ...............................12-145
12.2.31 Test A100 with 160-pin adapter box ..............................12-152
12.2.32 A133 - air intake throttle ECU ...................................12-
154
12.2.33 A134 - exhaust gas recirculation ECU .............................12-155
12.2.34 A136 - wastegate ECU ........................................12-157
12.2.35 A177 - AGCO Connectivity Module (ACM) ..........................12-158
12.3 Measure and test - B components ...............................12-160
12.3.1 B002 - front PTO speed sensor ...................................12-160
12.3.2 B003 - front axle suspension position sensor .........................12-161
12.3.3 B004 - vacuum switch (air filter) ..................................12-162
Table of contents
FENDT 800 Vario S4
X990.005.530.013
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