TOHATSU BFT115A Service Manual page 116

TROUBLESHOOTING
POWER TRIM/TILT MOTOR DOES NOT OPERATE
1. Power trim/tilt motor inspection
Connect the battery to the power tilt motor and check whether the motor operates (page 19-48).
Does the motor turn?
YES
NO
2. Power tilt relay inspection
Check the power tilt relay (page 10-17).
Is the power tilt relay normal?
YES
NO
3. Power tilt switch inspection
Check the power tilt switch (page 19-50).
Is the power tilt switch normal?
YES
NO
4. Power trim/tilt motor continuity inspection
Check for continuity at the motor (page 19-48).
Is there continuity?
YES
NO
5. Overheat inspection
Check the motor for overheating.
Is the motor overheated?
YES
NO
6. Breaker inspection
Check the breaker inside the motor (page 19-48).
Is the breaker normal?
YES
NO
7. Oil leak inspection
Check for oil leaking into the motor.
Is oil inside?
YES
NO
4-26
– GO TO STEP 2.
– GO TO STEP 4.
– GO TO STEP 3.
– Replace the power tilt relay with a new one and recheck.
– Repair the open/short in the main wire harness.
– Replace the power tilt switch with a new one and recheck.
– GO TO STEP 5.
– Repair or replace the motor.
– Cool down the motor and recheck.
– GO TO STEP 6.
– GO TO STEP 7.
– Replace the breaker with a new one.
– Replace the motor with a new one (page 19-25) and recheck.
– Disassemble the motor and replace the faulty part(s) (page 19-48).