Preparation for Test: 1. Review 11 , 21 , 22 , 23 , 24 , 31 , 33 , 2. Review section O, 3. Connect socket box to engine control module (N3/10).

		Test scope	Test connection			Test condition	Nominal value	Possible cause/remedy 1)
1.0		Fuel pump Delivery capacity	3 (3A)	N3/10	21 (29C)	Disconnect fuel return hose from fuel line and place end in measuring glass. Ignition: ON	1 liter of fuel within 35 seconds.	Check fuel lines for restrictions (kinks and dents). Replace fuel filter, 2.0
2.0		Fuel pumps Current draw				On Model 202: Disconnect fuel pump relay module and connect multimeter to sockets 1 and 3. On Model 170: Disconnect connector B of relay module and connect multimeter to sockets 1 and 3. Ignition: ON	5 - 9 A	Fuel pump.

1) Observe Preparation for Test, see 33 .