Volvo Symptom D12D US02 Service Manual page 60

Group 20
Step 2: Visual Inspection (System Checks)
Action
Fuel lines are free of damage or leaks.
Check that there is sufficient fuel in the tanks.
Check that the air cleaner is free of dirt or restrictions.
"Step 3: VCADS Pro Tests" page 56
Step 3: VCADS Pro Tests
Action:
Check sensor values.
Check cylinder balancing.
Check cylinder compression.
Check injector function.
Check EGR function.
Check intake/exhaust system.
Check engine fan function.
Check that the Variable Geometry Turbocharger is functioning properly (D16D).
"Step 4: Component and Function Checks" page 57
56
T2020217
C2002640
D
Refer to:
"Gradual Loss of Power" page 49
Refer to:
•
"Sensor Values Check, (Engine
Running)"
•
"Sensor Values Check, (Engine Not
Running)"
Cylinder balancing, Check
Cylinder Compression, Test
Injector Cut-Out, Manual
EGR Function, test
Intake and Exhaust System, Check
Engine Cooling Fan, Test
Variable Geometry Turbocharger Function, Check
(D16)
"Gradual Loss of Power" page 49