4-25
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TROUBLESHOOTING
POWER TRIM/TILT DOES NOT HOLD POSITION
1. Manual valve inspection
Check the manual valve tightness.
Is the manual valve tight?
YES – GO TO STEP 2.
NO – Tighten the manual valve to the specified torque: 3.4 N·m (0.35 kgf·m, 2.5 lbf·ft)
2. Oil leak inspection
Check for oil leakage from the power trim/tilt.
Is there oil leakage?
YES – Replace the O-ring and oil seal at the leaking point (when the manual valve O-ring or piston rod
(cylinder cap) oil seal are leaking, replace it as an assembly).
NO – GO TO STEP 3.
3. Hydraulic pressure inspection
Check the hydraulic pressure (page 18-38).
Is the hydraulic pressure within the specification?
YES – GO TO STEP 4.
NO – Replace the pump and recheck.
4. Oil level inspection
Check the oil level with each rod fully extended.
Is the oil level within the specification?
YES – GO TO STEP 5.
NO – Fill the oil to the specified level.
5. Air bleed system inspection
Check for air in the system.
Air in the system?
YES – Bleed air from the system (page 18-36)
NO – Power trim/tilt faulty.
Repair the faulty part by referring to the "POWER TRIM/TILT QUICK
REFERENCE CHART (page 4-27).
POWER TILT MOTOR DOES NOT OPERATE
1. Power tilt motor inspection
Connect the battery to the power tilt motor and check whether the motor operates.
Does the motor turn?
YES – GO TO STEP 2.
NO – GO TO STEP 4.
2. Power tilt relay inspection
Check the power tilt relay (page 10-15)
Is the power tilt relay normal?
YES – GO TO STEP 3.
NO – Replace the power tilt relay with a new one and recheck.
3. power trim/tilt switch inspection
Check the power trim/tilt switch (page 10-16)
Is the power trim/tilt switch normal?
YES – Repair the main wire harness or replace it.
NO – Replace the power trim/tilt switch with a new one and recheck.
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