CITROEN 2005 C4-XSARA-XSARA PICASSO BERLINGO Owner's Manual page 309

CHECKS: EXHAUST GASES RECYCLING CIRCUIT
XSARA PICASSO
Engines: 9HZ - 9HY
Exhaust gas recycling (EGR) valve.
(1) Exhaust gas recycling (EGR) electrovalve
NOTE: The engine ECU pilots the EGR valve.
Perform the check with the aid of a diagnostic tool.
Carry out the following operations with the diagnostic tool:
- «INJECTION» menu.
- Actuator tests.
- EGR electrovalve.
Check that you can hear the click from the EGR regulation electrovalve.
B1HP1UPC
Double butterfly housing (vehicle with particle filter) .
(2) Double butterfly housing
Perform the check with the aid of a diagnostic tool.
Carry out the following operations with the diagnostic tool:
- «INJECTION» menu.
- Actuator tests.
- Butterfly.
EGR exchanger butterfly.
Check that you can hear the click from the double butterfly housing.
B1HP1UQC
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