AD07.61-S-6000-78A | ME-SFI fuel injection system test of electrical system fuel injector 4 |
| Scope of test | Measuring instrument/ Test connection | Operation/Requirement | Specified value | Possible cause/Remedy | ||
1.0 | Fuel injection valve (Y19) Actuation and injection time |
2 (2A) |
A61 |
69 (13E) | Coolant temperature approx. 20°C at start: Coolant temperature approx. 80°C idling: during acceleration: | Injection time approx. 8 ms approx. 2.7- 4 ms approx. 14 ms Refer to signals | Coolant temperature sensor (B60) Intake air temperature sensor in mass airflow sensor (B41) O2 sensor (R22) 1.1 |
1.1 | Resistance Y19 |
69 (13E) | A61 |
2 (2A) | Ignition: OFF | 14 - 17 Ω | Fuel injection valve (Y19) 1.2 |
1.2 | Cable -//- Cable - Cable + | A61 69 (13E) 2 (2A) |
|
Y19 2 Y19 1 A61 69 (13E) 2 (2A) A61 69 (13E) 2 (2A) | Ignition: OFF Connectors A and E on ME-SFI control module (A61) disconnected Connector Y19 disconnected Ignition: OFF Connectors A and E on ME-SFI control module (A61) disconnected Connector Y19 disconnected Connectors A and E on ME-SFI control module (A61) disconnected Connector Y19 disconnected Ignition: ON |
< 5 Ω < 5 Ω > 20 kΩ > 20 kΩ < 1 V < 1 V | Test cable for –//– Test cable for - Test cable for + |