AD07.61-S-6000-43A | Oxygen sensor heater upstream of catalytic converter, testing electrical system, ME-SFI fuel injection system |
| Scope of test | Measuring instrument/ Test connection | Operation/Requirement | Specified value | Possible cause/Remedy | ||
1.0 | O2 sensor upstream of TWC (R22) O2 sensor heater Actuation |
5 (5A) | A61 |
2 (2A) | With coolant temperature > 80°C allow engine to run at idle speed for at least 2 mins. | 11 - 14 V | Cable ME-SFI control module (A61) 1.1 |
1.1 | Resistance |
3 (3A) | R22 |
5 (5A) | Ignition: OFF Connector R22 disconnected | 3 - 4 Ω | O2 sensor R22 1.2 |
1.2 | Cable -//- Cable - Cable + | A61 5 (5A) 2 (2A) |
|
R22 2 1 A61 5 (5A) 2 (2A) A61 5 (5A) 2 (2A) | Ignition: OFF Connector A on ME-SFI control module (A61) disconnected Connector R22 disconnected Ignition: OFF Connector C on ME-SFI control module (A61) disconnected Connector R22 disconnected Connector C on ME-SFI control module (A61) disconnected Connector R22 disconnected Ignition: ON |
< 5 Ω < 5 Ω > 20 kΩ > 20 kΩ < 1 V < 1 V | Test cable for –//– Test cable for - Test cable for + |