UA. DI #5 No Power Supply From the Battery
UA. DI#5
DI#5 No power supply from the battery
Fault message conditions:
The fault message is logged if voltage is below 1 Volt.
Causes of fault:
Break in the wiring between DI#5 and the battery.
Fault symptoms:
The engine will not start. If the break is intermittent the engine will stop or run rough.
UA1
Volvo ST, Test box
- Disconnect the ST in accordance with QA2. QA. Connecting The Volvo Scan Tool (ST)
- Connect the test box to ICM and check the GND point in accordance with P3-P4. P. Test Box, Signal Description
^ Continue with Checking the power supply UA2.
UA2
Checking the power supply
- Connect the control module to the test box.
- Install the fuse.
- Ignition on.
Connect a voltmeter between DI#5 and DI#20.
The voltmeter should read battery voltage.
If this value is OK:
Intermittent break.
^ Check the connections between DI#5 and the battery for loose contacts in accordance with NA5. NA. Checking the Wiring
If the reading is incorrect:
^ Check the wiring between DI#5 and the battery for breaks in accordance with NA2. NA. Checking the Wiring