Toyota T100 1996 Service Manual page 1876

Engine Coolant Temperature Gauge
Ignition
Switch
Battery
Engine Coolant Temperature Gauge
1996 TOYOTA T100 (RM449U)
BODY ELECTRICAL
10.
(a)
HINT:
It will take a short time for bulb to light up.
N12609
(b)
If operation is not as specified, replace the sender gauge.
N12610
11.
(a)
(b)
Sender
Gauge
N06616
(c)
(d)
Test
If operation is as specified, replace the sender gauge. Then, re-
Bulb
check the system.
(3.4 W)
If operation is not as specified, measure the receiver gauge re-
sistance.
N06617
− COMBINATION METER
INSPECT FUEL LEVEL WARNING SWITCH
Apply battery positive voltage between terminal 1 and 3,
and through a 3.4 W test bulb, check the bulb lights up.
Submerge the switch in fuel, check that the bulb goes out.
INSPECT ENGINE COOLANT TEMPERATURE RE-
CEIVER GAUGE OPERATION
Disconnect the connector from the sender gauge.
Turn the ignition switch ON, check that the receiver gauge
needle indicates COOL.
Ground terminal on the wire harness side connecter
through a 3.4 W test bulb.
Turn the ignition switch ON, check that the bulb lights up
and the receiver gauge needle moves to the hot side.
BE−41