Kawasaki Z1000 - ZR1000 2003-04 Service Manual - Small Engine ...

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Switches and Sensors
• Suspend the sensor [A] in a container of coolant so that
the temperature-sensing projection [E] and threaded portion
[E] are submerged.
• Suspend an accurate thermometer [B] in the coolant.
NOTE
○The sensor and thermometer must not touch the container
side or bottom.
• Place the container over a source of heat and gradually
raise the temperature of the coolant while stirring the
coolant gently.
• Using the hand tester, measure the internal resistance of
the sensor.
○The sensor sends electric signals to the ECU (Electronic
Control Unit) and coolant temperature gauge in the meter
unit.
○Measure the resistance across the terminals and the body
(for the gauge) at the temperatures shown in the table.
If the hand tester does not show the specified values, replace
the sensor.
Water Temperature Sensor
Resistance for ECU [C]
Temperature
Resistance (kΩ)
(Terminal [1] - [3])
20°C (68°F)
+0.155
2.46 –0.143
ELECTRICAL SYSTEM 16-77
80°C (176°F) 0.32 ± 0.011
110°C (230°F) 0.1426 ± 0.0041
Resistance for Water Temperature Gauge [D]
Temperature
Resistance (Ω)
(Terminal [2] - Body)
50°C (122°F) 210 ± 40
120°C (248°F) 21.2 ± 1.5
Speed Sensor Inspection
• Disconnect:
Speed Sensor Connector [A]
• Remove:
Engine Sprocket Cover [B] (see Final Drive chapter)