AD07.52-S-6000-12A | PEC fuel injection and ignition system test of electrical system injector cylinders 2 and 3 |
| Scope of test | Measuring instrument/ | Operation/Requirement | Specified value | Possible cause/Remedy | ||
1.0 | Injection valve, cylinders 2 and 3 +, thermal shutoff –//–, – Injection time | | Engine coolant temperature > 80°C Engine: Idling Actual value 03 | Injection time: approx. 2.1 - 2.6 ms | 1.1 NTC temperature sensor NTC intake air sensor Oxygen sensor Control module | ||
1.1 | Actuation | | Engine coolant temperature > 80°C Engine: Idling Actuation of injection valve group cylinders 2 and 3 Actuate injection valves in groups OFF ON |
Engine speed reduces briefly. Engine speed increases. | 1.2 Engine stalls, valve group not actuated: Cables | ||
1.2 | Single resistance | Injection valve 2 or 3 | Ignition: OFF Coupling disconnected at injection valve 2 or 3 | 14-16 Ω | Injection valve 1 or 4 | ||