Test Point 28
TEST POINT 28
Camshaft adjustment, bank 1 and bank 2
DTC 174, 178
1. measure voltage, Bank 1, cylinders 1 - 3
Connect voltmeter to control module connector or adapter pin 52 and pin 54
Ignition "ON"
Display: Battery positive voltage
2. measure voltage, Bank 2, cylinders 4 - 6
Connect voltmeter to control module connector or adapter pin 25 and pin 54
Ignition "ON"
Display: Battery positive voltage
3. Pull off valve connector and measure voltage between pin 1 (+) and ground (engine)
Ignition "ON"
Display: approx. 12 V
Note: Power is supplied via the DmE relay.