AD07.51-P-6000-38B | AIR pump switchover valve, testing electrical system of fuel injection system (HFM-SFI) | only |
| Scope of test | Measuring instrument/ Test connection | Operation/Requirement | Specified value | Possible cause/Remedy | ||
1.0 | Without TWC only electric air pump (M33), AIR pump switchover valve (Y32) and AIR relay module (K17) or relay module (K40) Actuation |
32 (1.32) | N3/4 |
59 (2.15) | Disconnect coupling from ECT sensor (HFM-SFI, PEC) (B11/3) and simulate with ohm decade of 2.5 kΩ at sockets 1 and 2. Engine: Idling | 11–14 V for approx. 2 minutes and air pump runs | 1.1 Engine control module (HFM-SFI) (N3/4) |
1.1 | Current consumption |
59 (2.15) | N3/4 |
39 (1.39) | Ignition: ON | 0.4–0.7 A | Cable Y32 K17 or K40 |