TOHATSU BFT75A Service Manual page 196

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3. TP sensor signal line open or short circuit
inspection
Turn the combination switch OFF.
Disconnect the ECM connector A
Check for open circuit between the TP sensor 3P
connector
Black) terminal and ECM connector A
wire harness side No.8 (Red/Black) terminal.
Check for short circuit between the TP sensor 3P
connector
Black) terminal and engine ground.
Is the signal line is correct?
YES
NO
main wire harness side No.2 (Red/
main wire harness side No.2 (Red/
– Replace the throttle body with a new one
and recheck.
– Repair open or short in the Red/Black wire.
.
main
FUEL SYSTEM
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