Legend of wiring diagram for telephone (TEL) control unit - PE82.70-P-2101-60RAA
Model 251 up to model year 08/Modification Year 07 with CODE (388) Telephone "cell phone" UPCI [UHI] system with CODE (494) USA version control unit N123/1
| Code | Designation | Coordinates |
|---|---|---|
| A0 | Color code key | 40L |
| A28/3 | E-net compensator | 9L |
| A28/3x1 | E-net compensator connector | 9J |
| A34/15 | UHI portable CTEL holder (Universal Handy Interface) | 14L |
| A34/15x1 | Connector 1, UPCI [UHI] portable CTEL holder (Universal Handy Interface) | 13K |
| A34/15x2 | Connector 2, UPCI [UHI] portable CTEL holder (Universal Handy Interface) | 11K |
| A67b1 | Hands-free system microphone group | 21L |
| A67b1 | Hands-free system microphone group | 25L |
| A67b1x1 | Hands-free system microphone group connector | 20J |
| A67b1x1 | Hands-free system microphone group connector | 24J |
| F4 | Load compartment fuse and relay box | 4L |
| F4f23 | Fuse 23 | 3L |
| N123/1 | Universal Portable CTEL Interface (UPCI [UHI]) control unit | 4A |
| N123/1 | Universal Portable CTEL Interface (UPCI [UHI]) control unit | 12A |
| N123/1 | Universal Portable CTEL Interface (UPCI [UHI]) control unit | 20A |
| N123/1 | Universal Portable CTEL Interface (UPCI [UHI]) control unit | 28A |
| N123/1 | Universal Portable CTEL Interface (UPCI [UHI]) control unit | 36A |
| N123/4 | Emergency call system control unit | 34L |
| U801 | Valid for UHI (Universal Portable CTEL Interface) | 32J |
| U808 | Not valid for UPCI [UHI] (Universal Portable CTEL Interface) | 19D |
| U904 | Wiring harness installed but nonfunctional | 7F |
| W17 | Ground (right rear seat) | 6H |
| X18/2 | Interior/roof connector | 20E |
| X18/2 | Interior/roof connector | 24E |
| X29/6 | Center console intermediate connector | 11H |
| X29/6 | Center console intermediate connector | 13H |
| X29/6 | Center console intermediate connector | 14F |
| X39/70 | FFS [RBA} microphone array connector | 29G |
| Z20/1 | Cable end insulation not stripped, placed inside insulated tubing | 18K |
| Z53/25 | UPCI [UHI] circuit 30 interior compartment solder point | 2G |
| Z53/26 | Telematics circuit 31 interior solder point 1 | 8E |
| Z204/8 | Voltage distributor connector, left rear seat circuit 31 (2) | 6L |
| MOST | Media Oriented System Transport | 38B |