Engine Coolant Temperature Meter And Sensor For Meter - Suzuki RA410 Manual

8-18 BODY ELECTRICAL SYSTEM
1
Y/Bl
E
1
2
1
B/O
2
A
C
B
D
ENGINE COOLANT TEMPERATURE METER
AND SENSOR FOR METER
ENGINE COOLANT TEMPERATURE METER
INSPECTION
1) Disconnect Y/Bl lead wire going to ECT sensor.
2) Turn ignition switch ON, and check that ECT meter indicates
COOL.
3) Turn ignition switch OFF.
4) Ground Y/Bl lead wire through a 3.4 W test bulb (1) as illus-
trated.
5) Turn ignition switch ON and check that bulb light up and pointer
(2) moves to hot side.
6) Remove combination meter and remove screws D and E.
7) Check resistance between terminals by using an ohmmeter.
Terminal connection
A – B
B – C
C – A
8) If inspection result in step 2), 5) and/or 7) is not as specified, re-
place ECT meter.
ENGINE COOLANT TEMPERATURE SENSOR FOR
METER
WARNING:
Make sure that engine coolant temperature is cold be-
fore removing any part of cooling system.
Also be sure to disconnect negative (–) cable at battery
before removing any part.
REMOVAL AND INSTALLATION
Refer to ENGINE COOLANT TEMPERATURE SENSOR (1) in
Section 6E.
INSPECTION
Warm up ECT sensor (1). Thus make sure ECT sensor for meter
(2) resistance is decreased with increase of its temperature.
Temperature
50 C (122 F)
120 C (248 F)
Resistance ( )
Approx. 231
Approx. 177
Approx. 54
Resistance
136 – 216
16.4 – 19.4