Main And Fuel Pump Relay; Throttle Position Sensor - Yamaha WaveRunner GP1300R Supplementary Service Manual

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IGNITION SYSTEM
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5678
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MAIN AND FUEL PUMP RELAY

1. Check:
• Main and fuel pump relay continuity
Out of specification → Replace.
Checking steps:
• Connect the tester leads between main
and fuel pump relay terminals 5, 6, and
7.
• Connect terminal 2 or 3 to the positive
battery terminal.
• Connect terminal 1 to the negative bat-
tery terminal.
• Check that there is continuity between
the main and fuel pump relay terminals.
• Check that there is no continuity between
the main and fuel pump relay terminals
after disconnecting terminal 1, 2, or 3.
• Connect the tester leads between main
and fuel pump relay terminals 6 and 8.
• Connect terminal 7 to the positive bat-
tery terminal.
• Connect terminal 4 to the negative bat-
tery terminal.
• Check that there is continuity between
the main and fuel pump relay terminals.
• Check that there is no continuity between
the main and fuel pump relay terminals
after disconnecting terminal 4 or 7.

THROTTLE POSITION SENSOR

1. Measure:
• Check the throttle position sensor output
voltage using the Yamaha Diagnostic
System.
Out of specification → Replace the
throttle bodies.
Throttle position sensor output
voltage:
Pink (P) – Black/orange (B/O)
0.793–0.807 V
7-20
E

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