CITROEN 2005 C4-XSARA-XSARA PICASSO BERLINGO Owner's Manual page 297

CHECKS: TURBO PRESSURE C4
Engines: 9HX - 9HY - 9HZ
IMPERATIVE: Respect the safety and cleanliness requirements.
Preparation.
IMPERATIVE: Respect the following test conditions:
- Engine at operating temperature.
- Vehicle in running order.
- Engine under full load.
Connect the diagnostic tool to the vehicle's diagnostic socket, carry out parameter measures.
Mode of operation.
Start the engine.
Engage first gear, start the vehicle.
Engage the gears up to third gear.
Decelerate to an engine speed of 1000 rpm.
Check the pressure: 0,6 ± 0,05 bar (1500 rpm) .
Accelerate freely (change from fourth gear to third gear).
Check the pressure: 0,9 ± 0,05 bar (between 2500 and 3500 rpm) .
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