UE. DI #20 No Control Module GND

UE. DI#20

DI#20 No control module GND




Fault message conditions.
A fault message is recorded if voltage is above 1.2 V.

Fault causes
Break between DI#20 and the grounding point on the intake manifold.
Poor GND point connection.

Fault symptoms
The engine will not start.
If the fault is intermittent the engine will stop or run rough.

UE1




Volvo ST, Test box
- Disconnect the ST in accordance with QA2. QA. Connecting The Volvo Scan Tool (ST)
- Connect the test box to the ICM and check the ground points in accordance with P3-P4. P. Test Box, Signal Description
^ Continue with Checking GND point UE2.

UE2




Checking GND point.
If the value is OK when the GND point has been checked
Intermittent fault.
^ Check the GND point and its connections for loose contacts in accordance with NA5. NA. Checking the Wiring