300SD W140 L6-3.5L DSL Turbo OM603 (1993): Relays and Modules

Also for this vehicle: 300CD (123.153) L5-3.0L DSL Turbo (617.952) (1982), 300CE (124.050) L6-3.0L (103.983) (1989), 300CE (124.051) L6-3.0L (104.980) (1990), 300CE (124.052) L6-3.2L (104.992) (1993), 300D (123.133) L5-3.0L DSL Turbo (617.952) (1984), 300D (124.128) L5-2.5L DSL Turbo (602.962) (1991), 300D (124.133) L6-3.0L DSL Turbo (603.960) (1987), 300E (124.026) L6-2.6L (103.940) (1990), 300E (124.030) L6-3.0L (103.983) (1986), 300E (124.032) L6-3.2L (104.992) (1993), 300E 4MATIC (124.230) L6-3.0L (103.985) (1990), 300SD (126.120) L5-3.0L DSL Turbo (617.951) (1982), 300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987), 300SE (126.024) L6-3.0L (103.981) (1989), 300SE (140.032) L6-3.2L (104.990) (1992), 300SEL (126.025) L6-3.0L (103.981) (1988), 300SL (129.061) L6-3.0L (104.981) (1991), 300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984), 300TE (124.090) L6-3.0L (103.983) (1989), 300TE 4MATIC (124.290) L6-3.0L (103.985) (1991), 350SDL (126.135) L6-3.5L DSL Turbo (603.970) (1990), 380SEC (126.043) V8-3.8L (116.963) (1982), 380SL (107.045) V8-3.8L (116.960) (1982).

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1. 01Relays and ModulesRelays and Modules: Sections
   • Relays and Modules - Accessories and Optional Equipment23 pages

     • Alarm Module, (Vehicle Antitheft) › Component Information3 pages

       • Locations
       • Service and Repair › Remove/Install Infrared Motion Sensor Control Unit2
     • Audio Control Relay › Component Information › Locations
     • Emergency Contact Module › Component Information › Diagrams › Diagram Information and Instructions234567
     • Global Positioning System Module › Component Information › Service and Repair
     • Ignition Shut Down Relay (For Antitheft) › Component Information › Locations
     • Keyless Entry Module › Component Information › Locations2345
     • Navigation Module › Component Information › Service and Repair2
     • Parking Assist Control Module › Component Information › Service and Repair
     • Relay Module › Component Information › Technical Service Bulletins › Turn Signals/Headlamps ON, Ignition Turned OFF2
   • Relays and Modules - Body and Frame19 pages

     • Keyless Entry Module › Component Information › Locations2345
     • Power Mirror Control Module › Component Information › Locations
     • Power Seat Control Module › Component Information › Locations › ESA Control Module23456
     • Seat Heater Control Module › Component Information5 pages

       • Technical Service Bulletins › Heated Seat Test Cable - Modification
       • Locations › Front234
     • Sunroof / Moonroof Module › Component Information › Locations2
   • Relays and Modules - Brakes and Traction Control16 pages

     • ABS Light Relay › Component Information › Technical Service Bulletins › ABS MIL ON & OFF Intermittently
     • Brake Fluid Pump Relay › Component Information › Service and Repair
     • Brake Fluid Solenoid Valve Relay › Component Information › Locations
     • Electronic Brake Control Module › Component Information8 pages

       • Technical Service Bulletins6 pages

         • All Technical Service Bulletins: › P-42_31-91 › Jan › 08 › ABS - Engine No Start/Limp Home/Multiple Codes Set2
         • Customer Interest: › P-42_31-91 › Jan › 08 › ABS - Engine No Start/Limp Home/Multiple Codes Set2
         • All Other Service Bulletins for Electronic Brake Control Module: › S-68_05-74 › Apr › 08 › Garage Door Opener - Range Too Short/Can't Program2
         • All Other Service Bulletins for Electronic Brake Control Module: › S-68_05-74 › Apr › 08 › Garage Door Opener - Range Too Short/Can't Program
       • Description and Operation › Electronic Control Unit (ECU)2
     • Traction Control Module › Component Information5 pages

       • Locations
       • Description and Operation › GF42.35-P-4500-01A Function of ETS Control Module234
   • Relays and Modules - Cooling System2 pages

     • Auxiliary Water Pump Relay › Component Information › Locations
     • Cooling Fan Motor Relay, A/T › Component Information › Locations
   • Relays and Modules - Cruise Control › Cruise Control Module › Component Information › Service and Repair › Control Unit2
   • Relays and Modules - HVAC4 pages

     • Auxiliary Water Pump Relay › Component Information › Locations
     • Condenser Fan Motor Relay, HVAC › Component Information › Locations
     • Control Module HVAC › Component Information › Technical Service Bulletins › Auto. A/C REST Function Switches ON, Drains Battery2
   • Relays and Modules - Instrument Panel3 pages

     • ABS Light Relay › Component Information › Technical Service Bulletins › ABS MIL ON & OFF Intermittently
     • Lamp Out Module › Component Information › Locations2
   • Relays and Modules - Lighting and Horns14 pages

     • Daytime Running Lamp Control Unit › Component Information › Locations
     • Exterior Lighting Module › Component Information › Technical Service Bulletins › Ext. Lamp - MIL ON When Turn Signals are Used
     • Headlamp Control Module › Component Information9 pages

       • Technical Service Bulletins › Main Beam/Low Beam Not Operating2
       • Diagrams › Diagram Information and Instructions234567
     • Headlamp Igniter Module › Component Information › Technical Service Bulletins › High/Low Beams Do Not Function
     • Lamp Out Module › Component Information › Locations2
   • Relays and Modules - Power and Ground Distribution15 pages

     • Power Distribution Relay › Component Information › Locations23456
     • Relay Box › Component Information9 pages

       • Locations › Fuse and Relay Box Locations2
       • Diagrams › Diagram Information and Instructions234567
   • Relays and Modules - Powertrain Management77 pages

     • Relays and Modules - Computers and Control Systems › Engine Control Module › Component Information74 pages

       • Technical Service Bulletins62 pages

         • All Technical Service Bulletins for Engine Control Module:31 pages

           • DDAF07_10-U-6002A › May › 97 › Engine Intermittently Has No Turbo Boost2
           • WORK284A › May › 93 › Vehicle - Several Production Changes23456789101112
           • 00_051 › Feb › 93 › Campaign - Control Arms, Mirrors, Computer Modules234567891011121314
           • 20_003 › Oct › 92 › Campaign - Coolant Reservoir and EDS ECM Updated23
         • Recalls:17 pages

           • 00_051 › Feb › 93 › Campaign - Control Arms, Mirrors, Computer Modules234567891011121314
           • 20_003 › Oct › 92 › Campaign - Coolant Reservoir and EDS ECM Updated23
         • All Other Service Bulletins for Engine Control Module:14 pages

           • DDAF07_10-U-6002A › May › 97 › Engine Intermittently Has No Turbo Boost2
           • WORK284A › May › 93 › Vehicle - Several Production Changes23456789101112
       • Diagrams › Diagram Information and Instructions234567
       • Description and Operation › Electronic Idle Speed Control (ELR)234
       • Testing and Inspection › Diagnostic Trouble Code Descriptions
     • Relays and Modules - Fuel Delivery and Air Induction › Fuel Pump Relay › Component Information › Technical Service Bulletins › A/T - No 2-3 Upshift at Full Throttle/Engine Cutout
     • Relays and Modules - Glow Plug System › Glow Plug Relay › Component Information › Technical Service Bulletins › Battery Discharges for No Apparent Reason
     • Relays and Modules - Ignition System › Ignition Shut Down Relay (For Antitheft) › Component Information › Locations
   • Relays and Modules - Restraint Systems34 pages

     • Air Bag Control Module › Component Information21 pages

       • Technical Service Bulletins › Seat Belt - Production Changes Buckle/Latch/SRS Module23
       • Diagrams › Diagram Information and Instructions234567
       • Description and Operation › ETR Control Module with Airbag, General Information23456
       • Testing and Inspection › Component Tests and General Diagnostics2
       • Service and Repair › Procedures23
     • Seat Belt Control Module › Component Information13 pages

       • Technical Service Bulletins › Emergency Tensioning Retractor DTC Readout 1023
       • Diagrams › Diagram Information and Instructions234567
       • Description and Operation › Purpose23
   • Relays and Modules - Starting and Charging › System Information › Technical Service Bulletins › Electrical - Electrostatic Discharge Damage Prevention
   • Relays and Modules - Steering and Suspension5 pages

     • Relays and Modules - Steering4 pages

       • Steering Column Control Module › Component Information › Locations
       • Steering Control Module › Component Information › Locations23
     • Relays and Modules - Suspension › Suspension Control Module › Component Information › Locations
   • Relays and Modules - Transmission and Drivetrain7 pages

     • Relays and Modules - A/T6 pages

       • Control Module, A/T › Component Information4 pages

         • Locations
         • Description and Operation › GF27.19-P-4012-02G ETC Control Module, Task23
       • Cooling Fan Motor Relay, A/T › Component Information › Locations
       • Shift Solenoid Relay, A/T › Component Information › Locations
     • Relays and Modules - Differential › Control Unit, Differential Lock › Component Information › Technical Service Bulletins › After ASD Control Replacement, ASD MIL Flashes
   • Relays and Modules - Windows and Glass5 pages

     • Heated Glass Element Relay › Component Information › Locations2
     • Power Window Control Module › Component Information › Locations23
   • Relays and Modules - Wiper and Washer Systems › System Information › Technical Service Bulletins › Electrical - Electrostatic Discharge Damage Prevention
2. 02Sensors and SwitchesSensors and Switches: Sections
3. 03MaintenanceMaintenance: Sections
4. 04Engine, Cooling and ExhaustEngine, Cooling and Exhaust: Sections
5. 05Powertrain ManagementPowertrain Management: Sections
6. 06Transmission and DrivetrainTransmission and Drivetrain: Sections
7. 07Brakes and Traction ControlBrakes and Traction Control: Sections
8. 08Starting and ChargingStarting and Charging: Sections
9. 09Power and Ground DistributionPower and Ground Distribution: Sections
10. 10Steering and SuspensionSteering and Suspension: Sections
11. 11Heating and Air ConditioningHeating and Air Conditioning: Sections
12. 12Restraint SystemsRestraint Systems: Sections
13. 13Accessories and Optional EquipmentAccessories and Optional Equipment: Sections
14. 14Body and FrameBody and Frame: Sections
15. 15Cruise ControlCruise Control: Sections
16. 16Instrument Panel, Gauges and Warning IndicatorsInstrument Panel, Gauges and Warning Indicators: Sections
17. 17Lighting and HornsLighting and Horns: Sections
18. 18Windows and GlassWindows and Glass: Sections
19. 19Wiper and Washer SystemsWiper and Washer Systems: Sections