814 Repair Manual — Volume I — Page 96

2. New components; the Replacement Parts Dept. supplies only three types of control units : a) The control unit Ne ZC. 9.851.101 U (Bosch ref. N° 0.280.000.042) replacing control units N° DX. 144.906 A (unmarked or with 1 yellow dot) and N° 2 D 5.402.234 K (2 yellow dots). IMPORTANT : With control unit N° ZC. 9.851.101 U. - a standard pressure sensor N° DX. 144.263 A must be fitted. - never fit an air temperature sensor.