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Vehicle-down Sensor Input Voltage Inspection - Kawasaki J300 Service Manual

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  • Contents

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Vehicle-down Sensor (Service Code 15)

Vehicle-down Sensor Input Voltage Inspection

○
Be sure the battery is fully charged.
•
Turn the ignition switch off.
•
Remove the front center cover (see Front Center Cover
Removal in the Frame chapter).
•
Disconnect the vehicle-down sensor connector and con-
nect the measuring adapter [A] between these connec-
tors.
Main Harness [B]
Vehicle-down Sensor [C]
Special Tool - Measuring Adapter: 57001-1700
•
Connect a digital meter [D] to the measuring adapter
leads.
Vehicle-down Sensor Input Voltage
Connections to Adapter:
Digital Meter (+) → R (sensor V/R) lead
Digital Meter (–) → BK (sensor G/P) lead
•
Measure the input voltage with the engine stopped and
with the connector joined.
•
Turn the ignition switch on.
Input Voltage
Standard: DC 5 V
•
Turn the ignition switch off.
If the reading is within the standard, check the output volt-
age (see Vehicle-down Sensor Output Voltage Inspec-
tion).
If the reading is out of the standard, remove the ECU
and check the wiring for continuity between main harness
connectors.
○
Disconnect the ECU and sensor connectors.
Wiring Continuity Inspection
ECU Connector [A] ←→
Vehicle-down Sensor Connector [B]
V/R lead (ECU terminal 6) [C]
G/P lead (ECU terminal 4) [D]
If the wiring is good, check the ECU for its ground and
power supply (see ECU Power Supply Inspection).
If the ground and power supply are good, replace the ECU
(see ECU Removal/Installation).
NOTE
FUEL SYSTEM (DFI) 3-45
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This manual is also suitable for:

J300 absJ300 2017Sc300ch 2017

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