AIR CONDITIONING – Mercedes-Benz 190E 1993 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

2.3L

2.3L, Air Conditioning Wiring Diagrams (1 of 2) for Mercedes-Benz 190E 1993

List of elements for 2.3L, Air Conditioning Wiring Diagrams (1 of 2) for Mercedes-Benz 190E 1993:

• (behind left side of instrument cluster)
• (behind left side of instrument cluster)
• Acc
• Automatic climate control temperature sensor
• Auxiliary fuse (blower motor) 30a
• Blend- cold
• Blend- warm
• Blower motor
• Blower motor preresistor group
• Circulating pump
• Def. long stroke
• Def. short stroke
• Evaporator temperature sensor
• Fresh/ recirc long stroke
• Fresh/ recirc short stroke
• G202
• G202 (behind left side of instrument cluster)
• Hot at all times
• Htr- close
• Htr- open
• Ignition switch
• Iii
• In-car temperature sensor
• In-car temperature sensor aspirator
• Interior lights system
• Leg flap
• Lower switch- over valve unit
• Max
• Max i
• Nca
• Off
• On some vehicles wire may connect directly to g202
• Outside temperature sensor
• Red
• Right front door switch
• Run
• Start
• Tempmatic air volume switch
• Tempmatic feedback potentiometer
• Tempmatic pushbutton control unit
• Test connector
• Upper switch- over valve unit

2.3L, Air Conditioning Wiring Diagrams (2 of 2) for Mercedes-Benz 190E 1993

List of elements for 2.3L, Air Conditioning Wiring Diagrams (2 of 2) for Mercedes-Benz 190E 1993:

• (lower left of engine compartment)
• 100 c temperature switch (top front of engine)
• 40a
• A/c compressor
• A/c compressor pressure switch
• Auxiliary fan
• Auxiliary fan preresistor
• Auxiliary fan preresistor relay
• Auxiliary fan relay (in auxiliary relay box)
• Battery
• Cis-e control unit (right side of component compartment)
• Compressor cutout control unit (right side of component compartment)
• Diagnostic socket (left side of inner fender)
• Electrical center
• Electromagnetic engine fan clutch (on engine fan)
• Fuse 1 16a
• Fuse 1 8a
• Fuse 10 8a
• Fuse 11 8a
• Fuse 3 16a
• G100 (left front corner of engine compartment)
• G102 (left front wheelhouse)
• G103 (right side of component compartment)
• Hot at all times
• Hot in run
• Hot in run or start
• Magnetic clutch
• Nca
• Red
• Refrigerant pressure switch (left front of engine compartment)
• Rpm sensor
• Seat belt warning module (behind left kick panel)
• Solid state
• Terminal block

2.6L

2.6L, Air Conditioning Wiring Diagrams (1 of 2) for Mercedes-Benz 190E 1993

List of elements for 2.6L, Air Conditioning Wiring Diagrams (1 of 2) for Mercedes-Benz 190E 1993:

• (behind left side of instrument cluster)
• (behind left side of instrument cluster)
• Acc
• Automatic climate control temperature sensor
• Auxiliary fuse (blower motor) 30a
• Blend- cold
• Blend- warm
• Blower motor
• Blower motor preresistor group
• Circulating pump
• Def. long stroke
• Def. short stroke
• Evaporator temperature sensor
• Fresh/ recirc long stroke
• Fresh/ recirc short stroke
• G202
• G202 (behind left side of instrument cluster)
• Hot at all times
• Htr- close
• Htr- open
• Ignition switch
• Iii
• In-car temperature sensor
• In-car temperature sensor aspirator
• Interior lights system
• Leg flap
• Lower switch- over valve unit
• Max
• Max i
• Nca
• Off
• On some vehicles wire may connect directly to g202
• Outside temperature sensor
• Red
• Right front door switch
• Run
• Start
• Tempmatic air volume switch
• Tempmatic feedback potentiometer
• Tempmatic pushbutton control unit
• Test connector
• Upper switch- over valve unit

2.6L, Air Conditioning Wiring Diagrams (2 of 2) for Mercedes-Benz 190E 1993

List of elements for 2.6L, Air Conditioning Wiring Diagrams (2 of 2) for Mercedes-Benz 190E 1993:

• (left side of front inner fender)
• (lower left of engine compartment)
• (right side of component compartment)
• 40a
• A/c clutch
• A/c compressor
• Auxiliary fan preresistor
• Auxiliary fan preresistor relay
• Auxiliary fan relay (in auxiliary relay box)
• Battery
• Comp enable
• Diagnostic
• Diagnostic socket/ terminal block
• Electrical center
• Engine system control unit (mas) (right side of component compartment)
• Fuse 1 25a
• Fuse 11 8a
• Fuse 2 8a
• Fuse 3 16a
• G102 (left front wheelhouse)
• Hot at all times
• Hot in run
• Hot in run or start
• Left auxiliary fan
• Magnetic clutch
• Red
• Refrigerant pressure switch (left front of engine compartment)
• Refrigerent pressure switch
• Right auxiliary fan
• Rpm sensor
• Seat belt warning module (behind left kick panel)
• Terminal block
• Test connection for diagnosis
• Transmission system (w/ a/t)