Low Fuel Indicator Test; Fuel Gauge Sending Unit - Honda S2000 Service Manual

FuelSupply System
Fuel Gauge Sending Unit Test
(cont'd)
6. Turn the ignition switch OFF.
7. Remove the bolts and the fueltank unit (see page
1 1 - 1 1 4 ) .
8. Measure the resistance between the No. 1 and
No. 2 terminals with the float at E (EMPTY). LOW
{LOW FUEL INDICATOR LIGHT IS ON), 1/2 (HALF
FULL) and F {FUtL) positions.
lf you do not get the following readings, replace the
fuel gauge sending unit.
Float Position Resistance ( Q ) H e i g h t ( m m )
( i n . )
8 2 . 9 a 1 , 9
(3.26 + 0.0748)
1t2 52 58
154.2 + 't.2
(6.07 a 0.0472)
LOW
114.4 120.4
2 1 5 . 5
(8.48)
E
130 ' l32
2 2 2 . 4 X 1 . 9
(8.77 + 0.0748)
To prevent the fuel pump from running. remove the
N o . 2 F U E L P U M P S R S ( 1 5 A ) f u s e f r o m t h e u n d e r -
dash fuse/relay box.
Connect the fuel pump 5P connector.
Turn the ignition switch ON (ll) with the float at F
(FULL) position.
. l f t h e f u e l g a u g e i n d i c a t e s " F " , t h e s y s t e m i s O K .
. lf the fuel gauge does not indicate "F", replace
the gauge assembly.
1 0 .
1 1 .
11-120
\
1 .
Low Fuel Indicator Test
Do the fuel gauge sendlng unit test (see page 1 1-
1 1 9 ) .
. lf the system is OK, go to step 2.
. lf the system has any malfunction, repair it.
Turn the ignition switch oN (ll) with the float at
E (EMPTY) position.
. l{ the low fuel indicator is on, go to step 3.
. l f t h e l o w f u e l i n d i c a t o r i s n o t o n . r e f e r t o t h e l o w
fuel indicator Circuit Diagram (see page 22-47)
and check the circuit.
3. Lift the float above LOW position.
' lf the Iow fuel indicator goes off, the system is OK.
. lf the low fuel indicator is still on, refer to the low
fuel indicator Circuit Diagram (see page 22-47)
and check the circuit.