Supplementary heating

Kapitelübersicht

• Self-diagnosis
  1
• 1 Self-diagnosis of auxiliary coolant heaters -B4W/D4W-
  1
• 1.1 Connecting vehicle diagnosis, testing and information system VAS 5051A
  1
• 1.2 Function
  1
• 1.3 Technical data of self-diagnosis
  2
• 1.4 Test prerequisites for self-diagnosis
  2
• 1.5 Diagnosis functions using vehicle diagnosis, testing and information system VAS 5051A
  3
• 1.6 Fault table
  7
• 1.7 Overview of selectable display group numbers in measuring value block
  12
• Supplementary heating
  15
• 1 Auxiliary air heaters -B2L/D2L-
  15
• 1.1 Repairing petrol electric heater “B2L”
  15
• 1.2 Removing and installing heater unit (petrol)
  17
• 1.3 Removing and installing heating/temperature/time control switch E13 (petrol)
  18
• 1.4 Checking heating/temperature/time control switch E13 (petrol)
  19
• 1.6 Removing and installing pre-selection clock E111 (petrol)
  21
• 1.7 Removing and installing heater control unit J65 (petrol)
  21
• 1.8 Checking heater control unit J65 (petrol)
  22
• 1.9 Renewing heater fuse S23 (petrol)
  22
• 1.10 Renewing auxiliary heater fuse S62 (petrol)
  23
• 1.11 Removing and installing vent (petrol)
  23
• 1.12 Removing intake hose, outlet duct and combustion air hose (petrol)
  24
• 1.13 Removing intake duct (petrol)
  24
• 1.14 Removing and installing exhaust pipe (petrol)
  25
• 1.15 Dismantling fuel pump G23 (petrol)
  25
• 1.16 Checking fuel pump G23 (petrol)
  25
• 1.17 Checking fuel pump G23 installation position (petrol)
  26
• 1.18 Checking quantity of fuel delivered (petrol)
  26
• 1.19 Operation and function of pre-selection clock E111 (petrol)
  28
• 1.20 Dismantling and assembling heater unit “B2L” (petrol)
  31
• 1.21 Removing and installing heater combustion monitor F16 (petrol)
  34
• 1.22 Checking heater combustion monitor F16 (petrol)
  34
• 1.23 Checking temperature limiting switch F82 (petrol)
  35
• 1.25 Checking glow coil thermal switch F153 (petrol)
  36
• 1.26 Renewing heater overheating switch F17 (petrol)
  37
• 1.27 Checking heater overheating switch F17 (petrol)
  37
• 1.28 Checking temperature sensor G18 (petrol)
  39
• 1.30 Checking combustion, fresh and heated air blower V81 (petrol)
  40
• 1.32 Checking ignition transformerf N152 (petrol)
  41
• 1.33 Dismantling and assembling combustion, fresh and heated air blower V81 (petrol)
  41
• 1.34 Blower wheel and coupling installation dimensions (petrol)
  42
• 1.35 Repairing diesel electric heater “D2L”
  42
• 1.36 Removing and installing heater unit (diesel)
  45
• 1.37 Removing heating/temperature/time control switch E13 (diesel)
  46
• 1.38 Operation and function of heating/temperature/time control switch E13 (diesel)
  46
• 1.39 Removing and installing pre-selection clock E111 (diesel)
  47
• 1.40 Removing and installing heater control unit J65 (diesel)
  47
• 1.41 Checking heater control unit J65 (diesel)
  48
• 1.42 Renewing heater fuse S23 (diesel)
  49
• 1.43 Renewing auxiliary heater fuse S62 (diesel)
  49
• 1.44 Removing and installing vent (diesel)
  49
• 1.45 Removing intake hose, outlet duct and combustion air hose (diesel)
  50
• 1.46 Removing intake duct (diesel)
  50
• 1.47 Removing and installing exhaust pipe (diesel)
  51
• 1.48 Dismantling fuel pump G23 (diesel)
  51
• 1.49 Checking fuel pump G23 (diesel)
  51
• 1.50 Checking fuel pump G23 installation position (diesel)
  52
• 1.51 Checking quantity of fuel delivered (diesel)
  52
• 1.52 Operation and function of pre-selection clock E111 (diesel)
  54
• 1.53 Dismantling and assembling heater unit “D2L” (diesel)
  57
• 1.54 Removing and installing heater combustion monitor F16 (diesel)
  60
• 1.55 Checking heater combustion monitor F16 (diesel)
  60
• 1.56 Checking temperature limiting switch F82 (diesel)
  61
• 1.57 Renewing temperature limiting switch F82 (diesel)
  62
• 1.58 Renewing heater overheating switch F17 (diesel)
  62
• 1.59 Checking heater overheating switch F17 (diesel)
  62
• 1.60 Checking temperature sensor G18 (diesel)
  64
• 1.62 Checking combustion, fresh and heated air blower V81 (diesel)
  65
• 1.63 Dismantling and assembling combustion, fresh and heated air blower V81 (diesel)
  66
• 1.64 Blower wheel and coupling installation dimensions (diesel)
  66
• 2 Auxiliary air heaters B3LP/D3LP/B3LC/D3LC
  67
• 5019/1 , vehicles ▸ 08.99
  67
• 2.3 Function
  68
• 2.4 Test prerequisites for self-diagnosis
  69
• 2.5 Operation and function of basic unit VAS 5019/1
  70
• 2.8 Fault table
  76
• 2.9 Erasing fault memory using basic unit VAS 5019/1
  85
• 2.10 Technical data for heaters; vehicles ▸ 08.99
  86
• 2.11 Technical data for heaters; vehicles 09.99 ▸
  86
• 2.12 Functional description
  87
• 2.13 Method of operation
  87
• 2.14 Repairing auxiliary air heater
  88
• 2.15 Removing heater unit with bracket
  91
• 2.16 Removing and installing glow plug for heater Q9
  92
• 2.17 Checking glow plug for heater Q9
  93
• 2.18 Removing and installing glow plug mantle
  93
• 2.19 Removing heater control unit J65
  94
• 2.20 Removing and installing heating/temperature/time control switch E13
  95
• 2.21 Removing and installing temperature sensor G18
  96
• 2.22 Removing and installing pre-selection clock E111
  96
• 2.23 Renewing fuses in fuse box
  97
• 2.24 Removing vent in vehicles without camping equipment
  97
• 2.25 Removing vent in vehicles with camping equipment
  98
• 2.26 Removing and installing intake duct
  98
• 2.27 Removing outlet duct and combustion air hose
  99
• 2.28 Removing and installing exhaust system
  99
• 2.31 Dismantling fuel pump G23
  101
• 2.32 Checking fuel pump G23 installation position
  101
• 2.33 Checking quantity of fuel delivered
  101
• 09.98 ▸
  107
• 2.36 Dismantling and assembling heater unit
  110
• 2.37 Removing and installing outer covers and outlet collector
  112
• 2.38 Manufacturer's plate “Original replacement part”
  113
• 2.39 Removing and installing insulation cover
  113
• 2.40 Removing and installing flame monitor G64 and heater overheating switch F17
  113
• 2.41 Checking wiring routing in heater unit
  114
• 2.42 Removing and installing combustion, fresh and heated air blower V81
  114
• 3 Auxiliary coolant heater D3W
  116
• 3.1 Self-diagnosis of auxiliary coolant heater D3W using basic unit VAS 5019/1
  116
• 3.2 Function
  116
• 3.3 Test prerequisites for self-diagnosis
  117
• 3.4 Operation and function of basic unit VAS 5019/1
  117
• 3.5 Connecting basic unit VAS 5019/1 and interrogating fault memory
  118
• 3.6 Fault table
  120
• 3.7 Repairing auxiliary coolant heater -D3W-
  122
• 3.8 Checking ambient temperature switch F38
  123
• 3.9 Removing ambient temperature switch F38
  125
• 3.10 Removing and installing exhaust system
  126
• 3.11 Securing exhaust pipe to heater unit
  126
• 3.12 Removing and installing heater unit
  127
• 3.13 Dismantling and assembling heater unit D3W
  128
• 3.14 Removing heater control unit J162
  130
• 3.15 Checking overheating sensor G189
  130
• 3.16 Checking coolant temperature sender, heating G241
  130
• 3.17 Removing glow plug for heater Q9
  131
• 3.18 Heat exchanger installation position
  131
• 3.19 Removing flame monitor G64
  131
• 3.20 Checking flame monitor G64
  132
• 3.21 Connecting auxiliary coolant heater D3W to coolant circuit
  132
• 3.22 Auxiliary coolant heater -D3W- fuel supply
  134
• 3.23 Removing and installing fuel pump G23
  135
• 3.24 Dismantling fuel pump G23
  136
• 3.25 Checking fuel pump G23 installation position
  136
• 3.26 Checking quantity of fuel delivered
  136
• 3.27 Securing fuel line in engine compartment
  139
• 3.28 Securing fuel line on heater unit
  139
• 3.29 Auxiliary coolant heater D3W control
  139
• 4 Auxiliary coolant heaters -B7W/D7W-
  141
• 4.1 Self-diagnosis of auxiliary coolant heater -B7W/D7W-
  141
• 4.2 Rectifying faults which have occurred
  143
• 4.3 Repairing auxiliary coolant heater -B7W/D7W-
  145
• 4.5 Removing pre-selection clock E111
  148
• 4.7 Fuse assignment on fuse carrier under driver's seat
  149
• 4.8 Removing and installing exhaust system
  150
• 4.9 Securing exhaust pipe to heater unit
  150
• 4.10 Removing and installing heater unit
  151
• 4.11 Operation and function of pre-selection clock E111
  152
• 4.12 Dismantling and assembling heater unit -B7W/D7W-
  155
• 4.13 Removing and installing combustion air blower V6
  158
• 4.14 Removing combustion head
  158
• 4.15 Removing and installing heat exchanger
  159
• 4.16 Removing and installing temperature sensor G18
  159
• 4.17 Checking resistance of temperature sensor G18
  160
• 4.18 Removing and installing heater overheating switch F17
  161
• 4.19 Resetting triggered heater overheating switch F17
  162
• 4.20 Removing cover
  162
• 4.21 Removing console
  162
• 4.22 Removing series resistor N6
  162
• 4.23 Removing 12-pin connector T12
  163
• 4.24 Connector assignment of 12-pin connector T12
  163
• 4.25 Removing and installing circulation pump V55
  164
• 4.26 Checking engine glow plugs Q6
  164
• 4.27 Removing and installing glow plug mantle
  165
• 4.28 Removing flame monitor G64
  165
• 4.29 Connecting auxiliary coolant heater -B7W/D7W- to coolant circuit
  166
• 4.30 Auxiliary coolant heater -B7W/D7W- fuel supply
  170
• 4.31 Removing and installing fuel pump G23
  172
• 4.32 Securing fuel line in engine compartment
  173
• 4.33 Checking quantity of fuel delivered
  173
• 4.34 Regulating auxiliary coolant heater -B7W/D7W- in heating mode
  175
• 5 Auxiliary coolant heaters -B4W/D4W-
  180
• 5.1 Repairing auxiliary coolant heater -B4W/D4W-
  180
• 5.2 Removing ambient temperature switch F38
  182
• 5.3 Removing and installing exhaust system
  183
• 5.4 Removing circulation pump V55
  183
• 5.5 Securing exhaust pipe to heater unit
  184
• 5.6 Removing pre-selection clock E111
  184
• 5.7 Test driving TDI vehicles with auxiliary coolant heater
  185
• 5.8 Removing and installing heater unit -B4W/D4W-
  188
• 5.9 Securing the intake hose
  191
• 5.10 Dismantling and assembling heater unit B4W (petrol)
  192
• 5.11 Heat exchanger (petrol) installation position
  193
• 5.12 Removing heat exchanger (petrol)
  193
• 5.13 Removing flame monitor G64 (petrol)
  194
• 5.14 Removing glow plug for heater Q9 (petrol)
  194
• 5.15 Removing heater control unit J162 (petrol)
  194
• 5.16 Renewing combustion air blower V6 (petrol)
  195
• 5.17 Removing overheating sensor G189 (petrol)
  195
• 5.18 Removing coolant temperature sender, heating G241 (petrol)
  195
• 5.19 Dismantling and assembling heater unit D4W (diesel)
  196
• 5.20 Heat exchanger (diesel) installation position
  197
• 5.21 Removing heat exchanger (diesel)
  197
• 5.22 Removing flame monitor G64 (diesel)
  198
• 5.23 Removing glow plug for heater Q9 (diesel)
  198
• 5.24 Removing heater control unit J162 (diesel)
  198
• 5.25 Renewing combustion air blower V6 (diesel)
  199
• 5.26 Removing overheating sensor G189 (diesel)
  199
• 5.27 Removing coolant temperature sender, heating G241 (diesel)
  199
• 5.28 Checking flame monitor G64
  200
• 5.29 Checking overheating sensor G189
  200
• 5.30 Checking coolant temperature sender, heating G241
  201
• 5.31 Checking ambient temperature switch F38
  202
• 5.32 Connecting auxiliary coolant heaters B4W and D4W to coolant circuit
  203
• 5.33 Bleeding coolant circuit in vehicles with auxiliary coolant heater B4W/D4W
  204
• 5.34 Fuel supply to auxiliary coolant heaters B4W/D4W
  204
• 5.35 Removing and installing metering pump V54
  208
• 5.36 Dismantling metering pump V54
  209
• 5.37 Checking the installation position of metering pump V54
  209
• 5.38 Checking quantity of fuel delivered
  209
• 5.39 Auxiliary coolant heater B4W and D4W control
  211