Preliminary work: Diagnosis - Diagnostic Trouble Code (DTC) Memory 11 PSE PSE Control Module Test 32 PSE

Preparation for Test: 1. Remove actuator (see SMS, Repair Instructions, Job No. 88-600). 2. Connect vacuum/pressure tester to the pneumatic connection of the actuator. 3. Seal the actuator throttle (arrow, Figure 2) with cap 000 987 29 45. Parts Required for Test: 1 Pneumatic line 124 800 44 15 1 Connector 117 078 03 81 1 Cap 000 987 29 45

	Test scope	Test connection	Test condition	Nominal value	Possible cause/Remedy
1.0	Actuator holding pressure	Yellow connector on tester.	Apply 600 mbar pressure to actuator.	Pressure loss 25 mbar in 1 minute	Actuator leaks. Replace actuator.
2.0	Actuator holding vacuum	Black connector on tester.	Apply 300 mbar vacuum to actuator.	Vacuum loss 25 mbar in 1 minute	Actuator leaks. Replace actuator.

Preparation for Test: 1. Connect tester to one end of the pneumatic line and cap the other end with cap 000 987 29 45. Parts Required for Test: 1 Cap 000 987 29 45 1 Connector, 50 mm long 007 997 61 82 1 Connector 129 805 04 44

	Test scope	Test connection	Test condition	Nominal value	Possible cause/Remedy
3.0	Line holding pressure	Yellow connector on tester	Apply 600 mbar pressure to line.	Pressure drop 0 mbar in 1 minute	Pneumatic line leaks. Repair/replace line.
4.0	Line holding vacuum	Black connector on tester	Apply 300 mbar vacuum to line.	Vacuum loss 0 mbar in 1 minute	Pneumatic line leaks. Repair/replace line.