1999 BMW 328IS A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328IS AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328IS cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1999 BMW 328IS 2.8 L6 GAS

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CLICK HERE TO GET FULL ACCESS TO 1999 BMW 328IS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328IS AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328IS cars and light trucks from 1990+

BMW -> Technical Service Bulletins -> Air Conditioning Blow Hot -> M Coupe, M Roadster, M3, Z3, 318i, 318ti, 323i, 323iC, 323is, 328i, 328iC & 328is
Vehicle: 1999 BMW 328IS 2.8 L6 GAS

M Coupe, M Roadster, M3, Z3, 318i, 318ti, 323i, 323iC, 323is, 328i, 328iC & 328is

On some of these models equipped with automatic transmission, the air conditioning may blow hot.

This condition may be caused by condenser rubbing on the transmission cooler and leaking refrigerant.

To correct this condition, proceed as follows:

  • Remove splash shields.
  • Inspect condenser, then repair or replace as required.
  • Remove lower fan shroud mounting bolts.
  • Remove conde...

CLICK HERE TO GET FULL ACCESS TO 1999 BMW 328IS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328IS AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328IS cars and light trucks from 1990+

Computer Relearn Procedures -> BMW
Vehicle: 1999 BMW 328IS 2.8 L6 GAS

Disconnect or replace DME control unit only when ignition switch is off. After renewed operation, neutral basic values are set in the control unit for idle and emission control. An...

CLICK HERE TO GET FULL ACCESS TO 1999 BMW 328IS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328IS AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328IS cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1999 BMW 328IS 2.8 L6 GAS

[[table data]] [[table data]]

CLICK HERE TO GET FULL ACCESS TO 1999 BMW 328IS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328IS AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328IS cars and light trucks from 1990+

BMW -> Wiring Diagrams -> Integrated Air Conditioning
Vehicle: 1999 BMW 328IS 2.8 L6 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 1999 BMW 328IS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328IS AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328IS cars and light trucks from 1990+

BMW -> Automatic Temperature Control System Diagnosis & Testing -> A/C System Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests: 528i & 540i -> Diagnostic Tests: M Coupe, M Roadster, M3, Z3, 318i, 318ti, 323i, 323iC, 323is, 328i, 328iC & 328is -> Diagnostic Trouble Code 01: Right Temperature Control Wheel -> Diagnostic Trouble Code 04: Right Heater Sensor -> Diagnostic Trouble Code 07: Evaporator Sensor -> Diagnostic Trouble Code 10: Outside Sensor -> Diagnostic Trouble Code 13-Interior Sensor -> Diagnostic Trouble Code 13: Interior Sensor -> Diagnostic Trouble Code 16-Interior Sensor Blower -> Diagnostic Trouble Code 16: Interior Sensor Blower -> Diagnostic Trouble Code 25: Left Temperature Control Wheel -> Diagnostic Trouble Code 28: Left Heater Sensor -> Diagnostic Trouble Code 31: Air Flow Control Wheel -> Diagnostic Trouble Code 34: Mixing Air Control Wheel -> Diagnostic Trouble Code 38: Auxiliary Water Pump Relay -> Diagnostic Trouble Code 40: Left Water Valve -> Diagnostic Trouble Code 44: A/C Compressor Signal Or Auxiliary Fan Relay -> Diagnostic Trouble Code 44: A/C Relay/Auxiliary Fan Relay -> Diagnostic Trouble Code 46: Right Water Valve -> Diagnostic Trouble Code 47: A/C Signal To DME Control Unit -> Diagnostic Trouble Code 48: Rear Window Defroster -> Diagnostic Trouble Code 48: Rear Window Defroster Relay -> Diagnostic Trouble Code 52: Fresh Air Flap Motor -> Diagnostic Trouble Code 55: Air Recirculation Flap Motor -> Diagnostic Trouble Code 56: AUC Signal -> Diagnostic Trouble Code 61: Mixing Air Flap Motor -> Diagnostic Trouble Code 92: Terminal 50 On Longer Than 3 Minutes -> Diagnostic Trouble Code 94: Dependent Heating/Independent Ventilation -> Diagnostic Trouble Code 94: Independent Heating/Independent Ventilation -> Diagnostic Trouble Code Interpretation
Vehicle: 1999 BMW 328IS 2.8 L6 GAS

Accessing Diagnostic Trouble Codes

The automatic climate control unit is capable of detecting system malfunctions and storing a related diagnostic trouble code. These diagnostic trouble codes may be read from control unit memory using the BMW service tester, or equivalent. Follow manufacturer's instructions to display diagnostic trouble codes.

The display "current defect" indicates that the malfunction currently exists. If a "current defect" applies to the temperature sensors or control wheels, a substitute value provided by the control unit is used. T...

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