Signal Description, Climate Control Module (CCM), Connector C
There is no breakout box for this connector.
NOTE:
From and including w50 2001, the fan is connected directly to connector C with no wiring in-between.
| U= | DC voltage in volts (V) | UAC = | AC voltage in volts (V) |
| Ubat = | Battery voltage (V) | f = | Frequency in Hertz (Hz) |
| Ulow = | Voltage approximately 0 V | % duty = | Duty cycle (pulse ratio) as a percentage (%) |
| t = | Time in milliseconds (ms) |
| Control module terminal | Connecting the component | Signal type | Ignition on | Engine idling | Other |
| #C1 | terminal #1 Hall sensor | Power supply (H+), Hall sensor | 6.1-6.3 V | 6.1-6.3 V | |
| #C2 | terminal #2 Hall sensor | Signal (H1), Hall sensor | 3.7 V | 3.7 V | |
| #C3 | terminal #3 fan motor passenger compartment temperature sensor | Signal, fan motor passenger compartment temperature sensor | 1-5.2 V | 1-5.2 V | Quadratic signal when the motor is running |
| #C4 | terminal #4 fan motor passenger compartment temperature sensor | Signal, fan motor passenger compartment temperature sensor | 1-5.2 V | 1-5.2 V | Quadratic signal when the motor is running |
| #C5 | terminal #5 Hall sensor | Signal ground (H-), Hall sensor | 0.9-1.6 V | 0.9-1.6 V | |
| #C6 | terminal #6 Hall sensor | Signal (H2), Hall sensor | 3.7 V | 3.7 V |