Suzuki AN650 2002 - Inspection

10-26 ELECTRICAL SYSTEM
INSPECTION
ENGINE COOLANT TEMPERATURE METER AND INDICA-
TOR LIGHT
• Disconnect the engine coolant temperature sensor coupler.

• Connect the variable resistor
A between the terminals.
• Turn the ignition switch “ON”.
• Check the display of engine coolant temperature meter as
shown below. If any abnormality is found, replace the combi-
nation meter with a new one.
Engine coolant temperature sensor. (

8-13)
When connecting and disconnecting the engine cool-
ant temp. sensor lead wire coupler, make sure to turn
OFF the ignition switch, or electronic parts may get
damaged.
Variable resister
Engine
coolant
temp.
sensor
Resistance
More than
1.148 kΩ
1.148 – 0.587 kΩ 0.587 – 0.188 kΩ 0.188 – 0.140 kΩ
Engine coolant
temperature meter
Engine coolant
temperature indicator
light
Engine coolant
temperature
CH
Under 39 ˚C 40 – 59 ˚C 60 – 99 ˚C 100 – 111 ˚C
CH
ON
CH
ON
CHCH
ONON
Resistance
0.140 – 0.116 kΩ
Less than
0.116 kΩ
Engine coolant
temperature meter
Engine coolant
temperature indicator
light
Engine coolant
temperature
112 – 119 ˚C Over 120 ˚C
CHCH
Flicker
ON
ON
OFF
OFF
OFF OFF OFF