Lexus ES300 (1997 year). Manual - part 258
Z05727
Fuel
Gauge
Battery
BE1206 le–5–1–A
2
1
3
4 5
N21310
A
B
C
N20811
1
2
3
F
E
1/2
Z05730
Warning Light
Ignition
Switch
Battery
BE1217 le–5–1–A
1 2 3
4 5
N20812
1
3
BE–96
–
BODY ELECTRICAL
COMBINATION METER
1480
1997 LEXUS ES300 (RM511U)
(c)
Connect terminals 2 and 3 on the wire harness side con-
nector through a 3.4–W test bulb.
(d)
Turn the ignition switch ON, check that the bulb lights up
and the receiver gauge needle moves toward ”E” side.
HINT:
Because of the silicon oil in the gauge, it will take a short time
for needle to stabilize.
If operation is not as specified, inspect the receiver gauge resis-
tance.
7.
INSPECT FUEL RECEIVER GAUGE RESISTANCE
Measure the resistance between terminals.
Tester connection
Resistance (
Ω
)
A – B
Approx. 270.8
A – C
Approx. 91.3
B – C
Approx. 179.5
If resistance value is not as specified, replace the receiver
gauge.
8.
INSPECT FUEL SENDER GAUGE RESISTANCE
Measure the resistance between terminals 2 and 3 for each
float position.
Float position mm (in.)
Resistance (
Ω
)
F: Approx. 91.1 (3.587)
Approx. 3.0
1/2: Approx. 34.2 (1.346)
Approx. 31.7
E: Approx. 30.8 (1.213)
Approx. 110.0
If resistance value is not as specified, replace the sender
gauge.
9.
INSPECT FUEL LEVEL WARNING LIGHT
(a)
Disconnect the connector from the sender gauge.
(b)
Connect terminals 1 and 3 on the wire harness side con-
nector.
(c)
Turn the ignition switch ON, check that the warning light
lights up.
If the warning light does not light up, test the bulb or inspect wire
harness.
10.
INSPECT FUEL LEVEL WARNING SWITCH
(a)
Apply battery positive voltage between terminals 1 and 3
through a 3.4–W test bulb, check that the bulb lights up.
HINT:
It takes a short time for the bulb to light up.