190E 2.3 W201 L4-2.3L M102 (1987): Relays and Modules

Also for this vehicle: 190D 2.5 (201.126) L5-2.5L DSL (602.911) (1987), 190E 2.3 (201.024) L4-2.3L (102.961) (1984), 190E 2.6 (201.029) L6-2.6L (103.942) (1987).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

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01Relays and Modules Relays and Modules: Sections
- Relays and Modules - Accessories and Optional Equipment › Alarm Module, (Vehicle Antitheft) › Component Information9 pages
  - Locations
  - Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
- Relays and Modules - Body and Frame63 pages
  - Head Restraint Relay › Component Information10 pages
    Locations › Head Restraint Adjustment Relay (Left/Side)2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Power Seat Control Module › Component Information10 pages
    Locations › Auxiliary Fuse Holder, Power Seats2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Power Seat Relay › Component Information13 pages
    Locations2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Seat Heater Control Module › Component Information9 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Seat Heater Relay › Component Information11 pages
    Locations › Seat Heater Relay (Left/Front)2 3
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Sunroof / Moonroof Relay › Component Information10 pages
    Technical Service Bulletins › Sunroof - Modifed Drive Unit and Relay2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
- Relays and Modules - Brakes and Traction Control29 pages
- Relays and Modules - Cooling System › Radiator Cooling Fan Motor Relay › Component Information13 pages
  - Locations2 3 4 5
  - Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
- Relays and Modules - Cruise Control › Cruise Control Module › Component Information8 pages
- Relays and Modules - HVAC24 pages
- Relays and Modules - Instrument Panel11 pages
  - Audible Warning Device Control Module › Component Information10 pages
    Locations › Warning Module2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Panel Illumination Control Module › Component Information › Locations
- Relays and Modules - Lighting and Horns12 pages
- Relays and Modules - Power and Ground Distribution › Relay Box › Component Information › Technical Service Bulletins28 pages
  - All Technical Service Bulletins for Relay Box:14 pages
    54_048 › Mar › 88 › Component Compartment - Water Intrusion2 3
    62-018 › Mar › 88 › Component Compartment Cover - Water Leaks2 3
    54_014 › Nov › 86 › Electrical Center - Modified and Polarity Change2 3 4
    83_021 › Nov › 86 › Power Distribution - New Electrical Center/Temp Switch2 3 4
  - Customer Interest: › 54_048 › Mar › 88 › Component Compartment - Water Intrusion2 3
  - All Other Service Bulletins for Relay Box:11 pages
    62-018 › Mar › 88 › Component Compartment Cover - Water Leaks2 3
    54_014 › Nov › 86 › Electrical Center - Modified and Polarity Change2 3 4
    83_021 › Nov › 86 › Power Distribution - New Electrical Center/Temp Switch2 3 4
- Relays and Modules - Powertrain Management115 pages
  - Relays and Modules - Computers and Control Systems55 pages
    Electronic Throttle Control Module › Component Information › Locations › Resistance Trimming Plug, Electronic Idle Speed Control (ELR)2
    Engine Control Module › Component Information19 pages
    Technical Service Bulletins › Policy - Replacement Conditions of ECU After Accident
    Locations › Reference Resistor (CIS-E)2 3 4
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9
    Testing and Inspection › Diagnostic Trouble Code Descriptions2 3 4 5
    Idle/Throttle Speed Control Unit › Component Information9 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
    Main Relay (Computer/Fuel System) › Component Information › Technical Service Bulletins › Engine - Cuts Out When Stopping/Intermittent Idle Surge2 3 4
    Overvoltage Protection Relay › Component Information13 pages
    Technical Service Bulletins › Overvoltage Relay/Harness - Update2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
    Oxygen Sensor Relay › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Relays and Modules - Emission Control Systems6 pages
    EFE Relay › Component Information › Locations2 3 4 5
    EGR Control Module › Component Information › Locations
  - Relays and Modules - Fuel Delivery and Air Induction44 pages
    Fuel Pump Relay › Component Information31 pages
    Technical Service Bulletins23 pages
    Engine - Long Crank Time Before Start/Misfire/Runs Rough2 3 4 5
    Technical Service Bulletins for Fuel Pump Relay:18 pages
    DDAF07_32-U-3701A › May › 97 › Engine - Hesitates/Cuts Out/Quits/Difficult to Start2 3 4 5 6 7
    DDAF07_32-U-6401A › May › 97 › Engine - Long Crank Time Before Start/Misfire/Runs Rough2 3 4 5
    DDAF07_30-U-6000A › Apr › 97 › Fuel Pump Does Not Operate2 3
    DDAF27_35-U-6101A › Apr › 97 › A/T - No 2-3 Upshift at Full Throttle/Engine Cutout
    54_018 › Jul › 88 › Fuel Pump Relay - Production Changes
    DD07.3-84012 › Jan › 84 › Fuel Pump Does Not Run
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
    Idle/Throttle Speed Control Unit › Component Information9 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
    Main Relay (Computer/Fuel System) › Component Information › Technical Service Bulletins › Engine - Cuts Out When Stopping/Intermittent Idle Surge2 3 4
  - Relays and Modules - Ignition System › Ignition Control Module › Component Information10 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
- Relays and Modules - Restraint Systems21 pages
  - Air Bag Control Module › Component Information17 pages
    Technical Service Bulletins › Airbag Control Module - DTCs 3 + 9, No Erasure
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9
    Service and Repair › Procedures2 3 4 5 6 7
  - Seat Belt Control Module › Component Information › Technical Service Bulletins › Emergency Tensioning Retractor DTC Readout 102 3 4
- Relays and Modules - Starting and Charging › System Information › Technical Service Bulletins › Electrical - Electrostatic Discharge Damage Prevention
- Relays and Modules - Steering and Suspension › System Information › Technical Service Bulletins › Electrical - Electrostatic Discharge Damage Prevention
- Relays and Modules - Transmission and Drivetrain6 pages
  - Relays and Modules - A/T › Control Module, A/T › Component Information › Technical Service Bulletins › No Second to Third Gear Shift at Full Throttle2 3 4
  - Relays and Modules - Differential › Control Unit, Differential Lock › Component Information › Locations › ASD Valve2
- Relays and Modules - Windows and Glass10 pages
  - Heated Glass Element Relay › Component Information › Locations2 3 4 5
  - Power Window Relay › Component Information › Locations2 3 4 5
- Relays and Modules - Wiper and Washer Systems27 pages
  - Headlamp Washer Motor Relay › Component Information13 pages
    Locations2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Headlamp Wiper Relay › Component Information › Technical Service Bulletins › Headlamp Wiper - New Relay Fixes Parking Problem
  - Wiper Relay › Component Information13 pages
    Locations2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections