Test scope	Test connection	Test condition	Nominal value	Possible cause/Remedy
1.0	Left front door (VL) Pressure supply	CA supply pump (M14/3) connection VL (Figure 1)	Using open end wrench, disconnect connection VL from M14/3. Connect pressure gauge according to connection diagram (Figure 1). Close left front door past the second detent.	>2 bar	M14/3 (SMS, Repair Instructions, Job No. 72-262), Clogged vent line SK )if vent line was left on pump).
2.0	Left front door (VL) Pneumatic actuator Pneumatic lines	CA supply pump (M14/3) connection VL (Figure 2)	Connect pneumatic test line according to connection diagram (Figure 2). Close left front door past the second detent.	Door must close by itself, wait 10 seconds >2 bar Pressure drop 100 mbar in 1 minute.	Pneumatic actuator or line leaking or kinked (SMS, Repair Instructions, Job No. 72-266), Clogged vent line SK (if vent line was left on pump).
3.0	Left front door (VL) Pneumatic actuator	CA supply pump (M14/3) connection VL (Figure 3)	Pull pneumatic line off actuator. Connect pneumatic test line according to connection diagram (Figure 3). Close left front door past the second detent.	Actuator must latch the door.	Pneumatic actuator leaking.
4.0	Right front door (VR) Pressure supply	CA supply pump (M14/3) connection VR (Figure 1)	Using open end wrench, disconnect connection VR from M14/3. Connect pressure gauge according to connection diagram (Figure 1). Close right front door past the second detent.	>2 bar	M14/3 (SMS, Repair Instructions, Job No. 72-262), Clogged vent line SK (if vent line was left on pump).
5.0	Right front door (VR) Pneumatic actuator Pneumatic lines	CA supply pump (M14/3) connection VR (Figure 2)	Connect pneumatic test line according to connection diagram (Figure 2). Close right front door past the second detent.	Door must close by itself, wait 10 seconds >2 bar Pressure drop 100 mbar in 1 minute.	Pneumatic actuator or line leaking or kinked (SMS, Repair Instructions, Job No. 72-266), Clogged vent line SK (if vent line was left on pump).
6.0	Right front door (VR) Pneumatic actuator	CA supply pump (M14/3) connection VR (Figure 3)	Pull pneumatic line off actuator. Connect pneumatic test line according to connection diagram (Figure 3). Close right front door past the second detent.	Actuator must latch the door.	Pneumatic actuator leaking.
7.0	Left rear door (HL) Pressure supply	CA supply pump (M14/3) connection HL (Figure 1)	Using open end wrench disconnect connection HL from M14/3. Connect pressure gauge according to connection diagram (Figure 1). Close left rear door past the second detent.	>2 bar	M14/3 (SMS, Repair Instructions, Job No. 72-262), Clogged vent line SK (if vent line was left on pump).
8.0	Left rear door (HL) Pneumatic actuator Pneumatic lines	CA supply pump (M14/3) connection HL (Figure 2)	Connect pneumatic test line according to connection diagram (Figure 2). Close left rear door past the second detent.	Door must close by itself, wait 10 seconds >2 bar Pressure drop 100 mbar in 1 minute.	Pneumatic actuator or line leaking or kinked (SMS, Repair Instructions, Job No. 72-266), Clogged vent line SK (if vent line was left on pump).
9.0	Left front door (HL) Pneumatic actuator	CA supply pump (M14/3) connection HL (Figure 3)	Connect pneumatic line according to connection diagram (Figure 3). Close left rear door past the second detent.	Actuator must latch the door.	Pneumatic actuator leaking.
10.0	Right rear door (HR) Pressure supply	CA supply pump (M14/3) connection HR (Figure 1)	Using open end wrench, disconnect connection HR from M14/3. Connect pressure gauge according to connection diagram (Figure 1). Close right rear door past the second detent.	>2 bar	M14/3 (SMS, Repair Instructions, Job No. 72-262), Clogged vent line SK (if vent line was left on pump).
11.0	Right rear door (HR) Pneumatic actuator Pneumatic lines	CA supply pump (M14/3) connection HR (Figure 2)	Pull pneumatic line off actuator. Connect pneumatic test line (HR) according to connection diagram (Figure 2). Close right rear door past the second detent.	Door must close by itself, wait 10 seconds >2 bar Pressure drop 100 bar in 1 minute.	Pneumatic actuator or line leaking or kinked (SMS, Repair Instructions, Job No. 72-266), Clogged vent line SK (if vent line was left on pump).
12.0	Right rear door (HR) Pneumatic actuator	CA supply pump (M14/3) connection HR (Figure 3)	Pull pneumatic line off actuator. Connect pneumatic test line according to connection diagram (Figure 3). Close right rear door past the second detent.	Actuator must latch the door.	Pneumatic actuator leaking.
13.0	Trunk lid (HD) Pressure supply	CA supply pump (M14/3) connection HD (Figure 1)	Using open end wrench, disconnect connection HD from M14/3. Connect pressure gauge according to connection diagram (Figure 1). Manually close latch (lower part).	>2 bar	M14/3 (SMS, Repair Instructions, Job No. 72-262).
14.0	Trunk lid (HD) Pneumatic actuator Pneumatic lines	CA supply pump (M14/3) connection HD (Figure 2)	Pull pneumatic line off trunk lid actuator (upper part). Striker tongue must be extended, if not, pull lever (50, Figure 3) to the outside (striker tongue extends). Starting chassis end no. 118121 the activation was modified, whereby the striker tongue is activated via the retractable trunk lid grip. Connect pneumatic test line according to connection diagram (Figure 2). Manually close latch (lower part).	Wait 10 seconds >2 bar Pressure drop 100 bar in 1 minute.	Pneumatic actuator or line leaking or kinked (SMS, Repair Instructions, Job No. 72-266).
15.0	Trunk lid (HD) Pneumatic actuator	CA supply pump (M14/3) connection HD (Figure 3)	Pull pneumatic line off actuator. Connect pneumatic test line according to connection diagram (Figure 3). Manually close latch (lower part).	Striker tongue retracts.	Pneumatic actuator leaking.