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

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Vehicle-down Sensor (Service Code 31)
FUEL SYSTEM (DFI) 3-59
Removal
CAUTION
Never drop the down-sensor, especially on a hard
surface. Such a shock to the sensor can damage it.
• Remove:
Connection and Vehicle-down Sensor [A]
Bolts and Washers [B]
Front [C]
Installation
• The UP mark [A] of the sensor should face upward.
Torque - Vehicle-down Sensor Bolts: 2 N·m (0.2 kgf·m, 17
in·lb)
WARNING
Incorrect installation of the vehicle-down sensor
could cause sudden loss of engine power. The
rider could lose balance during certain riding situations
like leaning over in a turn with the potential
for an accident resulting in injury or death. Ensure
that the down sensor is held in place by the sensor
brackets.
Inspection
NOTE
○Be sure the battery is fully charged.
• Connect a digital volt meter [A] to the connector of the
vehicle-down sensor [B] with the needle adapter set [C].
Vehicle-down Sensor Power Source Voltage
Connections to Sensor
Meter (+) → W/Y lead [D]
Meter (–) → BK/Y lead [E]
• Turn the ignition switch ON, and measure the power
source voltage with the connector joined.
Power Source Voltage at Sensor
Standard: Battery Voltage (12.6 V or more)
• Turn the ignition switch OFF.
If there is no battery voltage, check the following:
Battery (see Electrical System chapter)
ECU Main Fuse 15 A
Wiring for Vehicle-down Sensor Power Source (see next
diagram)
If the power source is normal, check the output voltage.