TOHATSU BFT75A Service Manual page 188

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4. MAP sensor power line short circuit inspection 2
Measure the voltage between the MAP sensor 3P
connector
(Brown/Yellow) terminal and engine ground.
Is the measurement within 4.75 – 5.25 V?
YES
NO
5. TP sensor power line short circuit inspection 1
Turn the combination switch OFF.
Disconnect the TP sensor 3P connector
Turn the combination switch ON and check the MIL.
Does the MIL go OFF?
YES
NO
6. 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
7. 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
main wire harness side No.1
– GO TO STEP 5.
– Repair short in the Brown/Yellow wire.
– Replace the TP sensor.
– GO TO STEP 6.
main wire harness side No.1 (Blue)
– GO TO STEP 7.
– Repair short in the Blue wire.
.
– Replace the trim angle sensor.
– GO TO STEP 8.
MAP SENSOR 3P CONNECTOR
MAIN WIRE HARNESS SIDE
.
TP SENSOR 3P CONNECTOR
MAIN WIRE HARNESS SIDE
FUEL SYSTEM
VCC1
(Brown/Yellow)
VCC2
(Blue)
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