(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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