Vehicle-down Sensor (Service Code 31)
If the power source is normal, check the output voltage of
Connect a digital volt meter [A] to the connector, using
two needle adapters [B].
Turn the ignition switch ON, and measure the output volt-
age with the connector joined.
Tilt the sensor (40 ∼ 50°) or more [C] right or left, then hold
the sensor almost vertical [D] with the arrow mark pointed
up, and measure the output voltage.
Vehicle-down Sensor Output Voltage
Connections to Sensor
Meter (+) → Y/G lead [E]
Meter (–) → BR/BK lead [F]
If you need to test again, turn the ignition switch OFF,
and then ON.
Turn the ignition switch OFF.
Remove the needle adapters, and apply silicone sealant
to the seals of the connector for waterproofing.
Silicone Sealant (Kawasaki Bond: 56019-120)
- Seals of Vehicle-down Sensor Connector
If the output voltage is out of the specified, replace the
If the output voltage is normal, the wiring is suspect.
Check the wiring.
with sensor tilted 40 ∼ 50° or more right or
left: 0.65 ∼ 1.35 V
with sensor arrow mark pointed up: 3.55 ∼
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FUEL SYSTEM (DFI) 3-67