| All values measured to ground unless otherwise noted | |||
| A37 | |||
| 1.8 | CAN Class B bus (high side). Mid speed data transfer bus input and output, exchanges data with other ECMs | No reliable test. Check continuity of wiring. Approx. 5 VAC when data is on bus | HHT is also used for CAN diagnosis |
| 1.9 | CAN Class B bus (low side) | See pin 1.8 | |
| 1.11 | Trunk lid lock switch unlock signal input | Measure to pin 2.4 (circuit 30), S88/2 in: Unlock position 12 VDC rest position < 1VDC |
Note 2 |
| 1.12 | Trunk lid lock switch lock signal input | Measure to pin 2.4 (circuit 30), S88/2 in: Lock position 12 VDC rest position < 1VDC |
Note 2 |
| 1.14 | Left front door contact switch ground signal input | Ignition off approx. 0 Ohms when door is open | |
| 1.16 | Right front door contact switch ground signal input | Ignition off approx. 0 Ohms when door is open | |
| 1.17 | Left rear door contact switch ground signal input | Ignition off approx. 0 Ohms when door is open | |
| 1.18 | Right rear door contact switch ground signal input | Ignition off approx. 0 Ohms when door is open | |
| 2.2 | Circuit 30 fused power input | 12 VDC at all times | Feed from F4f4 |
| 2.3 | Main ground to W7 | Approx. 0 Ohms to ground | |
| 2.4 | Circuit 30 fused power input | 12 VDC at all times | Feed from F4f2 |
| K40/2 | |||
| C1.2,3 | Circuit 30 main power input | 12 VDC at all times | Feed from battery via X4 |
| C1.4 | Main ground to W1 | Approx. 0 Ohms to ground | |
| N10/1 | |||
| 2.6 | CAN Class B bus (high side). Mid speed data transfer bus input and output, exchanges data with EIS ECM | No reliable test. Check continuity to all appropriate ECMs. Approx. 5 VAC when data is on bus | HHT is also used for CAN diagnosis |
| 2.7 | CAN Class B bus (low side) | See pin 2.6 | |
| 4.1 | CAN Class B bus (low side). Mid speed data transfer bus input and output, exchanges data with other ECMs | No reliable test. Check continuity to all appropriate ECMs. Approx. 5 VAC when data is on bus | HHT is also used for CAN diagnosis |
| 4.2 | CAN Class B bus (high side) | See pin 4.1 | |
| N69/1 | |||
| 1.1 | Circuit 30 main power input | 12 VDC at all times | Feed from F1f8 |
| 1.2 | Left front power window motor supply output | Measure to pin 1.4 (+): Open window +12 VDC close window -12 VDC |
Note 2 |
| 1.3 | Main ground to W18 | Approx. 0 Ohms to ground | |
| 1.4 | Left front power window motor supply output | See pin 1.2 | |
| 2.1 | Left front door lock switch ground output | Approx. 0 Ohms to ground | |
| 2.2 | Left front door lock switch unlock signal input | Measure to pin 1.1 (circuit 30), S86/1 in: Unlock position 12 VDC rest position < 1VDC |
Note 2 |
| 2.3 | Left front door lock switch lock signal input | Measure to pin 1.1 (circuit 30), S86/1 in: Lock position 12 VDC rest position < 1VDC |
Note 2 |
| 3.2 | Left front IR receiver unit signal input | No reliable test. Check continuity of wiring | |
| 3.4 | Left front IR receiver unit ground output | Approx. 0 Ohms to ground | |
| 3.7 | Hall sensor ground output | Approx. 0 Ohms to ground | |
| 3.9 | CAN Class B bus (low side). Mid speed data transfer bus input and output, exchanges data between various ECMs | No reliable test. Check continuity to all appropriate ECMs. Approx. 5 VAC when data is on bus | HHT is also used for CAN diagnosis |
| 3.14 | Left front IR receiver unit power supply | 4.5-5.5 VDC | |
| 3.15 | Hall sensors voltage output | Ignition on 12 VDC | |
| 3.16 | Hall sensor 1 signal input | 7.1 - 7.5 VAC (rms voltage) | |
| 3.17 | Hall sensor 2 signal input | 7.1 - 7.5 VAC (rms voltage) | |
| 3.18 | CAN Class B bus (high side) | See pin 3.9 | |
| N69/2 | |||
| 1.1 | Circuit 30 main power input | 12 VDC at all times | Feed from F4f3 |
| 1.2 | Right front power window motor supply output | Measure to pin 1.4 (+): Open window +12 VDC close window -12 VDC |
Note 2 |
| 1.3 | Main ground to W19 | Approx. 0 Ohms to ground | |
| 1.4 | Right front power window motor supply output | See pin 1.2 | |
| 2.1 | Right front door lock switch ground output | Approx. 0 Ohms to ground | |
| 2.2 | Right front door lock switch unlock signal input | Measure to pin 1.1 (circuit 30), S87/1 in: Unlock position 12 VDC rest position < 1VDC |
Note 2 |
| 2.3 | Right front door lock switch lock signal input | Measure to pin 1.1 (circuit 30), S87/1 in: Lock position 12 VDC rest position < 1VDC |
Note 2 |
| 3.2 | Right front IR receiver unit signal input | No reliable test. Check continuity of wiring | |
| 3.4 | Right front IR receiver unit ground output | Approx. 0 Ohms to ground | |
| 3.7 | Hall sensor ground output | Approx. 0 Ohms to ground | |
| 3.9 | CAN Class B bus (low side). Mid speed data transfer bus input and output, exchanges data between various ECMs | No reliable test. Check continuity to all appropriate ECMs. Approx. 5 VAC when data is on bus | HHT is also used for CAN diagnosis |
| 3.14 | Right front IR receiver unit power supply | 4.5-5.5 VDC | |
| 3.15 | Hall sensors voltage output | Ignition on 12 VDC | |
| 3.16 | Hall sensor 1 signal input | 7.1 - 7.5 VAC (rms voltage) | |
| 3.17 | Hall sensor 2 signal input | 7.1 - 7.5 VAC (rms voltage) | |
| 3.18 | CAN Class B bus (high side) | See pin S3.9 | |
| N69/3 | |||
| 3 | Main ground to W18 | Approx. 0 Ohms to ground | |
| 4 | CAN Class B bus (low side). Mid speed data transfer bus input and output, exchanges data between various ECMs | No reliable test. Check continuity to all appropriate ECMs. Approx. 5 VAC when data is on bus | |
| 8 | Circuit 30 main power input | 12 VDC at all times | Feed from F1f17 |
| 9 | CAN Class B bus (high side) | See pin 4 | |
| N69/4 | |||
| 3 | Main ground to W19 | Approx. 0 Ohms to ground | |
| 4 | CAN Class B bus (low side). Mid speed data transfer bus input and output, exchanges data between various ECMs | No reliable test. Check continuity to all appropriate ECMs. Approx. 5 VAC when data is on bus | |
| 8 | Circuit 30 main power input | 12 VDC at all times | Feed from F4f5 |
| 9 | CAN Class B bus (high side) | See pin 4 | |
| N70 | |||
| A.1 | Main ground to W19 | Approx. 0 Ohms to ground | |
| A.2 | Circuit 30 main power input | 12 VDC at all times | Feed from F1f9 |
| A.3 | CAN Class B bus (low side). Mid speed data transfer bus input and output, exchanges data between various ECMs | No reliable test. Check continuity to all appropriate ECMs. Approx. 5 VAC when data is on bus | HHT is also used for CAN diagnosis |
| A.6 | CAN Class B bus (high side) | See pin A.3 | |
| A.7 | Radio remote control RF signal input and output | No reliable test. Functional test with Radio RC | |
| B.1 | Sliding/pop-up roof motor power output | 12 VDC to pin B.2 with sliding/pop-up roof actvated, polarity reversable | Note 2 |
| B.2 | Sliding/pop-up roof motor power output | See pin B.1 | |
| B.3 | Hall sensor 1 signal input | 7.1 - 7.5 VAC (rms voltage) | |
| B.4 | Circuit 15R sensors power output | 12 VDC with key in steering lock position "1" | |
| B.5 | Hall sensor 2 signal input | 7.1 - 7.5 VAC (rms voltage) | |
| B.6 | Circuit 31 sensors ground output | Approx. 0 Ohms to ground | |
| N73 | |||
| A.2,3 | Circuit 30 main power input | 12 VDC at all times | Feed from battery via X4 |
| B.3 | Main ground to W1 | Approx. 0 Ohms to ground | |
| B.10 | CAN Class B bus (high side). Mid speed data transfer bus input and output, exchanges data with CCM | No reliable test. Check continuity to all appropriate ECMs. Approx. 5 VAC when data is on bus | HHT is also used for CAN diagnosis |
| B.11 | CAN Class B bus (low side) | See pin B.10 | |
| Note 1 | Due to various functions the ECM's involved in this system are split up in several system diagrams. Therefore only the relating pins are listed. Pins not shown are unrelated to this system | ||
| Note 2 | Comfort feature: All windows and sliding/pop-up roof will close or open when key or IR RC are held in lock or unlock position | ||