Section 9 (Automatic A/C-Heater Systems)
WARNING: This page is about a different car, the 2001 Mercedes-Benz SL500 and 2000 Mercedes-Benz SL500. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Trouble Code List
- Specifications
- Description
- Operation
- Programming
- Trouble Shooting
- Self-Diagnostics
- Diagnostic Tests
- DTC B1226: In-Vehicle Temperature Sensor
- DTC B1227: Outside Temperature Sensor
- DTC B1228: Left Heater Core Temperature Sensor
- DTC B1230: Evaporator Temperature Sensor
- DTC B1231: Engine Coolant Temperature Sensor
- DTC B1232: Refrigerant Pressure Sensor
- DTC B1233: Refrigerant Temperature Sensor
- DTC B1241: Refrigerant Fill
- DTC B1416: Coolant Circulation Pump
- DTC B1417: Automatic A/C MONOVALVE
- DTC B1419: A/C Compressor Clutch
- DTC B1420: Idle Speed Increase
- DTC B1421: Auxiliary Fan (Air) Control Module
- DTC B1422: Serial Interface (K1)
- DTC B1423: Switchover Valve Block
- DTC B1452: Left Air Outlet Feedback Potentiometer
- DTC B1453: Left Air Outlet Potentiometer
- DTC B1454: Center Air Outlet Potentiometer
- DTC B1457: Center Air Outlet Feedback Potentiometer
- DTC B1458: Right Air Outlet Feedback Potentiometer
- DTC B1459: Serial Interface (K2)
- System Tests
- Notes
- Reading Actual Values
- Vacuum Tests
- Miscellaneous Electrical Tests
- A/C Push Button Control Unit Voltage Output
- A/C Push Button Control Unit Voltage Supply (Circuit 30)
- Blower Regulator Control
- Cold Function Indicator Light (Blue LED) Voltage
- Cold Push Button Circuit Voltage
- Diagnostic Output Voltage
- Right Air Outlet Potentiometer
- Soft Top Activation Voltage
- Voltage Supply (Circuit 15)
- Voltage Supply (Circuit 15x)
- Warm Function Indicator Light (Red LED) Voltage
- Warm Push Button Circuit Voltage
- Removal & Installation
- Torque Specifications
- Vacuum Hose Diagram(S)
- Wiring Diagrams