Suzuki GSX1400 Service Manual page 299

SPEEDOMETER
If the speedometer, odometer or trip meter does not function prop-
erly, inspect the speedometer sensor and connection of couplers.
If the speedometer sensor and connection are all right, replace
the meter with a new one.
SPEEDOMETER SENSOR
• Remove the left frame cover. (
• Remove the engine sprocket cover.
• Disconnect speedometer sensor coupler.
• Remove the speedometer sensor 1 by removing its mounting
bolt.
• Connect 12V battery, 10 kΩ resistor and the multi circuit tester
as shown right illustration.
B/R: Black with Red tracer
B/W: Black with White tracer
B: Black
09900-25008: Multi circuit tester set
Tester knob indication: Voltage (
• Under above condition, if a suitable screwdriver touching the
pick-up surface of the speedometer sensor is moved, the tester
reading voltage changes (0V→12V or 12V→0V). If the tester
reading voltage does not change, replace the speedometer sen-
sor with a new one.
NOTE:
The highest tester reading voltage (12V) while testing is same as
battery voltage.
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ELECTRICAL SYSTEM 7-27
B
B/R
Speedometer sensor