Power Trim and Tilt: 2B-9
Diagnostic Information and Procedures
Diagnose PTT System Malfunction
Z9J0112204001
Condition Possible cause Correction / Reference Item
Motor will not trim / tilt at
all (no up, no down).
Blown fuse for PTT system.
(Sub battery cable: 15 A, Main: 40 A,
PTT switch: 10 A, ECM: 30 A).
Inspection and replace.
Defective PTT switch. Replace.
Open circuit between main fuse 40 A
and PTT relay.
Repair.
Defective main relay. Replace.
Defective PTT relay. Replace.
Defective ECM and/or PTT system
circuit.
Inspection of ECM and its circuit in section 1A.
Loose or corroded sub battery cable
connection.
Repair or retighten.
Open circuit between main fuse and
starter motor magnetic switch.
Repair.
Defective PTT motor armature. Replace.
Defective PTT motor armature brushes. Replace.
Defective PTT pump. Replace.
Manual release valve leaking. • Ensure that valve is fully closed.
• Inspect manual release valve.
Motor will not trim / tilt up. Defective PTT switch. Replace.
Defective PTT relay. Replace.
Open light blue lead wire circuit. Repair or replace.
Defective ECM. Replace.
Motor will not trim / tilt
down.
Defective PTT switch. Replace.
Defective PTT relay. Replace.
Open pink lead wire circuit. Repair or replace.
Defective ECM. Replace.
PTT motor operates, but
no motor trim / tilt
movement.
Low PTT fluid level. Added PTT fluid.
Manual release valve leaking. • Ensure that valve is fully closed.
• Inspect manual release valve.
Debris in system. Inspect for debris.
Broken drive joint in PTT pump. Replace.
Broken PTT pump. Replace.
Tilt piston leaking. Replace PTT unit assembly.
Motor will not retain
selected trim and tilt
setting, creeps
downward.
Manual release valve leaking. • Ensure that valve is fully closed.
• Inspect manual release valve.
Tilt piston leaking. Replace PTT unit assembly.
Debris in system. Inspect for debris.
PTT motor operates at
higher than normal speed,
or with high pitched
“squealing” sound. No
trim / tilt action.
Low PTT fluid level. Added PTT fluid.
Manual release valve leaking. • Ensure that valve is fully closed.
• Inspect manual release valve.
Broken drive joint in PTT pump. Replace.
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