AD07.52-D-6000-11A | PEC fuel injection and ignition system test of electrical system injector cylinders 1 and 4 |
| Scope of test | Measuring instrument/Test connection | Operation/ Requirement | Specified value | Possible cause/ Remedy | ||
1.0 | Injection valve Cylinders 1 and 4 Injection time | | Engine coolant temperature > 80 °C Engine: Idling Actual value | Injection time: approx. 2.1 - 2.6 ms | 1.1 NTC temperature sensor NTC intake air sensor O2 sensor (R22) Control module | ||
1.1 | Actuation | | Engine coolant temperature > 80 °C Engine: Idling Actuate injection valves in groups Cylinders 1 and 4 OFF ON |
Engine speed reduces briefly or engine stalls Engine speed increases | 1.2 Cables | ||
1.2 | Single resistance | | Ignition: OFF Coupling disconnected at injection valve 1 or 4 Measured at injection valve 1 or 4 | 14 - 16 Ω | Injection valve 1 or 4 | ||