TOHATSU BFT75A Service Manual page 159

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FUEL SYSTEM
7. TP sensor power line short circuit inspection 2
Measure the voltage between the TP sensor 3P
connector
terminal and engine ground.
Is the measurement within 4.75 – 5.25 V?
YES
NO
8. Trim angle sensor power line short circuit
inspection 1
Turn the combination switch OFF.
Disconnect the trim angle sensor 3P connector
Turn the combination switch ON and check the MIL.
Does the MIL go OFF?
YES
NO
9. Trim angle sensor power line short circuit
inspection 2
Measure the voltage between the trim angle sensor
3P connector
(Brown/White) terminal and engine ground.
Is the measurement within 4.75 – 5.25 V?
YES
NO
5-18
main wire harness side No.1 (Blue)
– GO TO STEP 8.
– Repair short in the main wire harness
between the ECM and the TP sensor.
.
– Replace the trim angle sensor.
– GO TO STEP 9.
main wire harness side No.3
– Replace the ECM with a new one and
recheck.
– Repair short in the main wire harness
between the ECM and the trim angle
sensor.
TP SENSOR 3P CONNECTOR
MAIN WIRE HARNESS SIDE
TRIM ANGLE SENSOR 3P CONNECTOR
MAIN WIRE HARNESS SIDE
VCC2
(Blue)
VCC3
(Brown/White)