Auxiliary heater

Kapitelübersicht

• Technical data
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• 1 Safety information
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• 1.1 Safety precautions for working on vehicles with auxiliary heater
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• 1.2 Safety measures when working on vehicles with a start/stop system
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• 1.3 Safety precautions during work on fuel system
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• 1.4 Safety precautions when working on cooling system
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• 1.6 Safety precautions when working on high-voltage system
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• 1.7 Safety precautions when working in vicinity of high-voltage components
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• 2 General information
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• 2.1 Starting conditions for auxiliary/supplementary heater
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• 2.2 Notes for vehicles with start-stop system
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• 2.4 Type plates
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• 3 Repair instructions
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• 3.1 General repair instructions
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• Supplementary heating
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• 1 Overview of fitting locations - auxiliary/supplementary heater components
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• 1.1 Overview of fitting locations - auxiliary/supplementary heater components
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• 2 Auxiliary/supplementary heater
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• 2.1 Overview of fitting locations - auxiliary/supplementary heater
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• 2.2 Dismantling and assembling auxiliary/supplementary heater
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• 2.3 Removing and installing auxiliary/supplementary heater
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• 2.4 Removing and installing temperature sensor G18
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• 2.5 Removing temperature sensor 2 for supplementary and auxiliary heating G587
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• 2.6 Removing and installing glow plug for heater Q9
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• 2.7 Removing and installing circulation pump V55
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• 2.8 Removing and installing combustion air blower V6
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• 2.9 Removing and installing combustion chamber
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• 2.10 Removing and installing exhaust system
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• 2.11 Removing heat exchanger
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• 2.12 Checking flame monitor G64
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• 2.13 Removing and installing flame monitor G64
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• 2.14 Preliminary work for checking supplementary heater components
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• 2.15 Checking glow plug for heater Q9
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• 2.16 Checking combustion air blower V6
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• 2.17 Checking flame monitor G64
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• 2.18 Checking temperature sensor G18
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• 2.19 Checking temperature sensor 2 for supplementary and auxiliary heating G587
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• 2.20 Checking fuel pre-heating heater element Z66
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• 2.21 Removing and installing auxiliary heater control unit J364
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• 2.22 Connector pin assignment for auxiliary/supplementary heater
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• 3 Coolant circuit with auxiliary/supplementary heater
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• 3.1 Connection diagram - coolant hoses
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• 3.2 Removing and installing heater coolant shut-off valve N279
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• 3.3 Coolant hose routing on vehicles with 2nd heat exchanger
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• 4 Fuel supply
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• 4.1 Overview of fitting locations - fuel supply system
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• 4.2 Removing and installing metering pump V54
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• 4.3 Checking fuel delivery rate
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• 5 Regulation of auxiliary/supplementary heater
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• 5.1 Function description
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• 5.2 Supplementary heater mode
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• 5.3 Switching off auxiliary/supplementary heater
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• 6 Other controlling and regulating components
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• 6.1 Functional description of remote control for auxiliary/supplementary heater
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• 6.2 Removing and installing remote control receiver for auxiliary coolant heater R149
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• 6.3 Removing and installing ambient temperature sensor G17
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