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SL500 (2000-2001)

CLIMATE CONTROL DIAGNOSTIC TROUBLE CODES

DTC Diagnostic
B1226 In-Vehicle Temperature Sensor
B1227 Outside Temperature Sensor
B1228 Left Heater Core Temperature Sensor
B1230 Evaporator Temperature Sensor
B1231 Engine Coolant Temperature Sensor
B1232 Refrigerant Pressure Sensor
B1233 Refrigerant Temperature Sensor
B1241 Refrigerant Fill
B1416 Coolant Circulation Pump
B1417 Automatic A/C Monovalve
B1419 A/C Compressor Clutch
B1420 Idle Speed Increase
B1421 Auxiliary Fan (AIR) Control Module
B1422 Serial Interface (K1)
B1423 Switchover Valve Block
B1452 Left Air Outlet Feedback Potentiometer
B1453 Left Air Outlet Potentiometer
B1454 Center Air Outlet Potentiometer
  Right Air Outlet Potentiometer
See RIGHT AIR OUTLET POTENTIOMETER under TESTING.
B1457 Center Air Outlet Feedback Potentiometer
B1458 Right Air Outlet Feedback Potentiometer
B1459 Serial Interface (K2)