Section 1 (A/C-Heater Systems - Automatic)
WARNING: This page is about a different car, the 1999 Mercedes-Benz SL500 and 1998 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
- Self-Diagnostics
- Notes
- RETRIEVING DIAGNOSTIC TROUBLE CODES (DTCs)
- Erasing Diagnostic Trouble Codes
- DTC B1226: In-Vehicle Temperature Sensor
- DTC B1228: Left Heater Core Temperature Sensor Circuit
- DTC B1230: Evaporator Temperature Sensor Circuit
- DTC B1232: Refrigerant Pressure Sensor Circuit Voltage Supply
- DTC B1233: Refrigerant Temperature Sensor Circuit Resistance
- DTC B1416: Coolant Circulation Pump Circuit
- DTC B1417: MONOVALVE Circuit
- DTC B1419: A/C Compressor Activation Circuit
- DTC B1421: Auxiliary Fan Control
- DTC B1422: Serial Interface (K1)
- DTC B1423: Switchover Valve Block Circuit
- DTC B1452: Left Outlet Potentiometer Feedback Circuit
- DTC B1453: Left Outlet Potentiometer Voltage Circuit
- DTC B1454: Center Outlet Potentiometer Voltage Circuit
- DTC B1457: Center Outlet Potentiometer Feedback Circuit
- DTC B1458: Right Outlet Potentiometer Feedback Circuit
- DTC B1459: Serial Interface (K2)
- Testing
- Notes
- Function Test
- A/C Blower Regulator Control
- A/C Push-Button Control Unit Output Voltage
- Cold Push-Button Circuit Voltage
- Cold Push-Button Indicator Light
- Diagnostic Output Voltage
- Right Outlet Potentiometer Voltage Circuit
- Sensor Value Check
- Soft Top Activation Switch
- Vacuum Distribution & Switchover Valve Block
- Vacuum Actuator Circuit
- Voltage Supply Circuit Check
- Warm Push-Button Circuit Voltage
- Warm Push-Button Indicator Light
- Removal & Installation
- Torque Specifications
- Vacuum Hose Diagram(S)
- Wiring Diagrams