Engine compartment
Applies to model year 1999 and early 2000 versions
| 1 | Fuel filter | 12 | Engine speed (RPM) sensor |
| 2 | Boost pressure sensor | 13 | Engine pads valve |
| 3 | Preheating valve | 14 | EGR controller |
| 4 | Exhaust Gas Recirculation Valve (EGR Valve) | 15 | Fuel pump |
| 5 | Mass air flow (MAF) sensor | 16 | Injector with needle lift sensor |
| 6 | Engine coolant heater | 17 | Glow plug |
| 7 | Turbocharger (TC) control valve | 18 | Vacuum pump |
| 8 | Integrated relay/fusebox | 19 | Engine coolant temperature (ECT) sensor |
| 9 | Glow plug relay | 20 | A/C pressure sensor |
| 10 | Engine coolant heater relay 1 and 2 | 21 | Automatic transmission control module (TCM) |
| 11 | System relay | 22 | Engine control module (ECM) |
Applies to model year 2000, late versions
| 1 | Fuel filter | 12 | Engine speed (RPM) sensor |
| 2 | Boost pressure sensor | 13 | Engine pads valve |
| 3 | Preheating valve | 14 | EGR controller |
| 4 | Exhaust Gas Recirculation Valve (EGR Valve) | 15 | Fuel pump |
| 5 | Mass air flow (MAF) sensor | 16 | Injector with needle lift sensor |
| 6 | Engine coolant heater | 17 | Glow plug |
| 7 | Turbocharger (TC) control valve | 18 | Vacuum pump |
| 8 | Integrated relay/fusebox | 19 | Engine coolant temperature (ECT) sensor |
| 9 | Glow plug relay | 20 | A/C pressure sensor |
| 10 | Engine coolant heater relay 1 and 2 | 21 | Automatic transmission control module (TCM) |
| 11 | System relay | 22 | Engine control module (ECM) |