CAS Control Unit: E60, E61, E63, E64, E87, E90, E91
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Installation location
The CAS control unit is located behind the instrument panel in the area of the left-hand A-pillar.
>E60, E61, E63, E64
The illustration shows the CAS control unit on the E60.
CAS CONTROL UNIT: E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | Tubular member for the instrument panel | 2 | CAS control unit |
> E87, E90, E91
The illustration shows the CAS control unit on the E87.
CAS CONTROL UNIT: E87, E90, E91
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | Tubular member for the instrument panel | 2 | Steering column |
| 3 | CAS control unit |
Construction
A 41-pin connector on the CAS control unit creates the connection to the vehicle electrical system.
> E60, E61, E63, E64 until 09/2005: The ignition starter switch is directly connected to the CAS control unit by a 14-pin connector.
> E87, E90, E91 and E60, E61, E63, E64 from 09/2005: The insert compartment is directly connected to the CAS control unit by a 14-pin connector. The START/STOP button is connected to the insert compartment via a 10-pin plug connection. 10 contacts on the ribbon cable are looped through to the START/STOP button via the insert compartment.
CAS CONTROL UNIT COMPONENTS
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | 41-pin connector | 2 | 14-pin connector |
Pin assignments
> E60, E61, E63, E64: PIN ASSIGNMENT FOR CONNECTOR X10318, 41-PIN, > E87, E90, E91: PIN ASSIGNMENT FOR CONNECTOR X13376, 41-PIN
| Pin | Type | Description |
|---|---|---|
| 1 | A | Signal to terminal 30g (active) relay |
| 2 | A | Terminal R to the brake light switch |
| 3 | A | Terminal R to clutch switch |
| 4 | A | Terminal R to the seat-occupancy detector, front-passenger side |
| 5 | A | Terminal R to MRS control unit (E87, E90, E91 only) |
| 6 | A | Signal from terminal 50 to SMG (only E60, E61, E63, E64) |
| 7 | A | Terminal 15 signal output (engine-dependent) to: Injection valve relay; terminal 15 overload-protection relay; hot-film air-mass sensor with DDE |
| 8 | A | Terminal 15 signal output to: Terminal 15 relay |
| 9 | A | Terminal 15 signal output to: Steering column switch cluster (SZL) for E60, E61, E63, E64 until 09/2005; Fuel heater with DDE for E87, E90, E91 |
| 10 | A | Terminal 15 signal output: Convertible top module (CVM for E64) Electric trailer coupling release for E90, E91 |
| 11 | E | Selector lever lock signal input |
| 12 | M | Earth for CAS (electronics) |
| 13 | A | Terminal 15 signal output to: Diagnosis socket |
| 14 | A | Terminal 15 signal output to: Light module (LM) for E60, E61, E63, E64 Footwell module (FRM) for |
| 15 | --- | --- |
| 16 | --- | --- |
| 17 | --- | --- |
| 18 | A | Wake-up wire for Active Cruise Control (ACC) |
| 19 | A | Terminal 15 wake-up wire for PT-CAN |
| 20 | A | EWS signal to DME or DDE |
| 21 | V | CAS power supply (load) |
| 22 | A | Control of starter motor |
| 23 | A | Voltage for electronic steering lock |
| 24 | A | Earth for electronic steering lock |
| 25 | M | Earth for CAS (load) |
| 26 | E/A | K-CAN Low |
| 27 | --- | --- |
| 28 | E | Signal to indicate end or beginning of starting procedure from DME or DDE |
| 29 | E | Central locking button (unlock/lock central locking) |
| 30 | E/A | K-bus for CA (Comfort Access) and ELV (electronic steering lock) |
| 31 | E | Speed signal from DSC |
| 32 | E | Signal from brake light switch |
| 33 | E | Signal from FBD receiver (remote control) |
| 34 | V | CAS power supply |
| 35 | E/A | K-CAN High |
| 36 | --- | --- |
| 37 | E | Trigger signal from telephone control unit for MOST wake-up |
| 38 | E | Bonnet contact switch |
| 39 | E | Trunk lid button in driver's footwell (US and Japan; E61 with option 316) |
| 40 | E | Tailgate lock cylinder ("hotel" position) |
| 41 | E | P/N selector lever position from SMG or EGS; clutch switch for starter inhibitor on US vehicles with manual transmission |
| A = Output | ||
| E = Input | ||
| E/A = Input and output | ||
| M = Earth | ||
| V = Supply | ||
| For current specifications regarding pin assignments, please refer to BMW diagnosis system | ||
> E60, E61, E63, E64: PIN ASSIGNMENT FOR CONNECTOR X14027, 14-PIN > E87, E90, E91: PIN ASSIGNMENT FOR CONNECTOR X10318, 14-PIN
| Pin | Type | Description |
|---|---|---|
| 1 | A | Transponder aerial 2** |
| 2 | A | Transponder aerial 1** |
| 3 | A | LED* earth connection |
| 4 | A | START/STOP button illumination* |
| 5 | A | Power supply for Hall sensors 1 and 2* |
| 6 | E | Hall 1 input (START/STOP button)* |
| 7 | E | Hall 2 input (remote control unlocked)* |
| 8 | E | Hall 3 input (START/STOP button)* |
| 9 | E | Hall 4 input (remote control locked)* |
| 10 | A | Power supply for Hall sensors 3 and 4* |
| 11 | A | K-bus |
| 12 | A | Terminal 31 |
| 13 | A | Negative-side (driver) for bistable magnet** |
| 14 | A | Positive-side (driver) for bistable magnet** |
| A = Output | ||
| E = Input | ||
| E/A = Input and output | ||
| M = Earth | ||
| V = Supply | ||
| * = E87, E90, E91 and E60, E61, E63, E64 from 09/2005: | ||
| Connection to START/STOP button, looped through insert compartment | ||
| ** = E87, E90, E91 and E60, E61, E63, E64 from 09/2005: | ||
| Connection to insert compartment only | ||
| For current specifications regarding pin assignments, please refer to BMW diagnosis system | ||