Test Point 23

TEST POINT 23
Injector valve, cylinder 1, 2, 3, 4, 5, 6

DTC 150 - 155

1. Check voltage supply

Pull off valve connector

Connect voltmeter to connector pin 1 and ground (engine)

Display: Battery positive voltage

2. measure coil resistance






Connect ohmmeter to the contacts of the injection valve

Test value: 12 ± 0.3 ohms

3. Injection driver

Adjust oscilloscope according to the manufacturer's instructions. Connect auxiliary cable (1 684 463 093) from messrs. Bosch between the injection valve and connector. Connect oscilloscope with the auxiliary cable according to the manufacturer's instructions.

Important: The tester cables must not come into contact with ground.






Start engine. The signal shown must be visible if the injection driver is functioning properly and the Tester connections are correct: