(2)
Check that the resistance between pin 1 of connector D1082P and engine ground is greater than 100 k ohms.
(3)
Check that the resistance between pin 9 of connector D1082P and engine ground is greater than 100 k ohms.
(4)
Check that the resistance between pins 1 and 9 of connector D1084P is 3.0 K ohm ± 150 ohms.
(5)
Check that the resistance between pin 1 of connector D1084P and engine ground is greater than 100 k ohms.
(6)
Check that the resistance between pin 9 of connector D1084P and engine ground is greater than 100 k ohms.
(7)
Check that the resistance between pins 1 and 9 of connector D1074P is 3.0 K ohms ± 150 ohms.
(8)
Check that the resistance between pin 1 of connector D1074P and engine ground is greater than 100 k ohms.
(9)
Check that the resistance between pin 9 of connector D1074P and engine ground is greater than 100 k ohms.
(10)
Check that the resistance between pins 1 and 9 of connector D1080P is 3.0 K ohms ± 150 ohms.
(11)
Check that the resistance between pin 1 of connector D1080P and engine ground is greater than 100 k ohms.
(12)
Check that the resistance between pin 9 of connector D1080P and engine ground is greater than 100 k ohms.
D. Test the overheat warning system.
(1)
Check that the resistance between pins 16 and 18 of connector D1074P is 1.5 K ohms ± 75 ohms.
(2)
Check that the resistance between pin 16 of connector D1074P and engine ground is greater than 100 k ohms.
(3)
Check that the resistance between pin 18 of connector D1074P and engine ground is greater than 100 k ohms.
(4)
Check that the resistance between pins 16 and 24 of connector D1080P is 1.5 K ohms ± 75 ohms.
71-00-03
QEC SYSTEMS TESTS FIGURE 1 Page 1 Jan 15/2010
(5)
Check that the resistance between pin 16 of connector D1080P and engine ground is greater than 100 k ohms.
(6)
Check that the resistance between pin 24 of connector D1080P and engine ground is greater than 100 k ohms.
3. Fuel Filter Bypass Warning Test
A. General
(1)
This test checks continuity through the fuel filter differential pressure switch wire bundle.
(2)
Reference WDM 79-31-11
B. Equipment
(1) Multimeter -Fluke 8020 or equivalent
C. Test the fuel filter bypass warning.
(1)
Disconnect connector D5004 from the fuel filter differential pressure switch.
(2)
Verify continuity between pin 4 of connector D1074P and pin C of connector D5004.
(3)
Verify continuity between pin B of connector D5004 and ground.
(4)
Verify continuity between pin A of connector D5004 and ground.
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