Yamaha WaveRunner GP1300R Service Manual page 392

– +
ELEC
8
4
5
1
3
2
7
6
8
4
5
1
3
2
7
6
IGNITION SYSTEM
1234
5678
+ –
+ –
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