SEDIMENTOR SWITCH INSPECTION [WLT-1, WLT-2]

id011496806500

Continuity Inspection

Note

•  Perform the following test only when directed.

1.  Disconnect the negative battery cable.

2.  Drain fuel from the fuel filter. (See SEDIMENTOR WATER DRAINING [WLT-1, WLT-2].)

3.  Remove the sedimentor switch.

4.  Inspect continuity of the sedimentor switch by using an ohmmeter.

Float	Continuity
Up	Yes
Down	No

absggw00000394

5.  If not as specified, replace the sedimentor switch. If as specified, inspect following:

Open circuit

•  Power circuit (Sedimentor switch connector terminal A and engine switch connector terminal C)

•  Ground circuit (Sedimentor switch connector terminal B and body ground)

absggw00000395

absggw00000396

Short circuit

•  Power circuit (Sedimentor switch terminal A and engine switch connector terminal C to ground)

•  Ground circuit (Sedimentor switch terminal B and body ground to power circuit)

6.  Repair or replace faulty areas.

7.  Install the sedimentor switch.

8.  Reconnect the negative battery cable.

9.  Bleed air from the fuel filter.