| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| ">J519 | ">Onboard supply control unit |
| ">J623 | ">Engine control unit |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S164 | Fuse 3 (30) in fuse holder on battery |
| S180 | Fuse 8 (30) in fuse holder on battery |
| S267 | Fuse 9 (30) in fuse holder on battery |
| T1j | Single pin connector, on starter |
| T2ak | 2-pin connector, in engine compartment |
| T2ar | 2-pin connector, on alternator |
| T3af | 3-pin connector, in left engine compartment |
| T6g | 6-pin connector, in left engine compartment |
| T11c | 11-pin connector, in left engine compartment |
| T18a | 18-pin connector, on onboard supply control unit |
| "> 1 | ">Earth strap, battery - body |
| "> 49 | ">Earth point, near battery |
| 507 | Screw connection (30), on fuse holder on battery |
| ">J285 | ">Control unit with display in dash panel insert |
| ">J301 | ">Air conditioning system control unit |
| ">J519 | ">Onboard supply control unit |
| K | Dash panel insert |
| T2ba | 2-pin connector, on fresh air blower |
| T4v | 4-pin connector, on fresh air and air recirculation flap control motor |
| T6z | 6-pin connector, on onboard supply control unit |
| T8i | 8-pin connector, behind the dash panel, right |
| T8j | 8-pin connector, on air conditioning system control unit |
| T11d | 11-pin connector, in left engine compartment |
| T32a | 32-pin connector, on dash panel insert |
| V2 | Fresh air blower |
| V154 | Fresh air/recirculated air flap control motor |
| 97 | Earth connection 1, in air conditioning system wiring harness |
| B116 | Connection (58d), in interior wiring harness |
| L76 | Connection (87), in evaporator housing unit wiring harness |
| E9 | Fresh air blower switch |
| ">J301 | ">Air conditioning system control unit |
| ">J519 | ">Onboard supply control unit |
| N24 | Fresh air blower series resistor with overheating fuse |
| SB27 | Fuse 27 on fuse holder B |
| SB28 | Fuse 28 on fuse holder B |
| T5l | 5-pin connector, on fresh air blower series resistor with overheating fuse |
| T5m | 5-pin connector, on fresh air blower switch |
| T8i | 8-pin connector, behind the dash panel, right |
| T8j | 8-pin connector, on air conditioning system control unit |
| T16a | 16-pin connector, diagnostic |
| B171 | Positive connection 3 (30), in interior wiring harness |
| B172 | Positive connection 4 (30), in interior wiring harness |
| L6 | Connection 2, in evaporator housing unit wiring harness |
| L8 | Connection 4, in evaporator housing unit wiring harness |
| J365 | Air conditioning system switch-off relay |
| ">J519 | ">Onboard supply control unit |
| ">J623 | ">Engine control unit |
| J825 | Relay for air conditioning system, diesel engine |
| SC15 | Fuse 15 on fuse holder C |
| T9g | 9-pin connector, on air conditioning system switch-off relay |
| T9n | 9-pin connector, on air conditioning system relay, diesel engine |
| T11d | 11-pin connector, in left engine compartment |
| T11e | 11-pin connector, in left engine compartment |
| T18a | 18-pin connector, on onboard supply control unit |
| 296 | Earth connection 11, in interior wiring harness |
| "> 606 | ">Earth point, under the centre console near selector lever |
| B148 | Positive connection 3 (87), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
| F163 | Thermal switch for air conditioning system shut-off |
| ">J519 | ">Onboard supply control unit |
| ">J623 | ">Engine control unit |
| N25 | Air conditioning system magnetic coupling |
| T2ct | 2-pin connector, on right in engine compartment |
| T2cv | 2-pin connector, on thermal switch for air conditioning system shut-off |
| T2dd | 2-pin connector, on air conditioning system magnetic clutch |
| T3m | 3-pin connector, on radiator fan on right |
| T11d | 11-pin connector, in left engine compartment |
| V35 | Right radiator fan |
| 209 | Earth connection 6, in engine compartment wiring harness |
| "> 671 | ">Earth point 1, on front of left longitudinal member |
| D61 | Connection (air conditioning system), in engine compartment wiring harness |
| F18 | Radiator fan thermal switch |
| ">J293 | ">Radiator fan control unit |
| ">J519 | ">Onboard supply control unit |
| SC1 | Fuse 1 on fuse holder C |
| T3ah | 3-pin connector, on radiator fan thermal switch |
| T4af | 4-pin connector, on radiator fan control unit |
| T6aa | 6-pin connector, on radiator fan control unit |
| T11d | 11-pin connector, in left engine compartment |
| T18a | 18-pin connector, on onboard supply control unit |
| B163 | Positive connection 1 (15), in interior wiring harness |
| G65 | High pressure sender |
| J59 | X-contact relief relay |
| ">J293 | ">Radiator fan control unit |
| ">J519 | ">Onboard supply control unit |
| SB42 | Fuse 42 on fuse holder B |
| T4ag | 4-pin connector, on high pressure sender |
| T5n | 5-pin connector, on onboard supply control unit |
| T6aa | 6-pin connector, on radiator fan control unit |
| T6d | 6-pin connector, on X-contact relief relay |
| T8i | 8-pin connector, behind the dash panel, right |
| "> 12 | ">Earth point, on left in engine compartment |
| 201 | Earth connection 5, in engine compartment wiring harness |
| 238 | Earth connection 1, in interior wiring harness |
| "> 606 | ">Earth point, under the centre console near selector lever |
| B147 | Positive connection 2 (87), in interior wiring harness |
| B610 | Connection 6, in interior wiring harness |