1E-2 Power Unit Lubrication:
Diagnostic Information and Procedures
Oil Pressure Check
Z9J0111504001
Refer to “Oil Pressure Check” in Section 0B (Page 0B-20).
Oil Change Reminder System
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Refer to “Oil Change Reminder System Description” in Section 1A (Page 1A-14).
Low Oil Pressure Caution System
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The system operates when the engine lubricating oil pressure drops below the correct level (100 kPa, 1.0 kg/cm
2
, 14
psi.). If this system activates, the red oil lamp will light and caution buzzer will begin a series of beeps.
In addition, when this system is activated at 1 000 r/min. or higher, engine speed will automatically be reduced to
approx. 1 000 r/min with REV Limit lamp lit.
The engine automatically stops 3 minutes after the control of this CAUTION system starts the activation.
If this system activates, stop the engine immediately.
Check the engine oil level and add oil if necessary.
Refer to “Engine Oil Level Check” in Section 0B (Page 0B-3).
NOTE
In case that the engine is automatically stopped due to the CAUTION system, the engine can be started
again. However the CAUTION system will repeatedly activate until eliminating the cause.
Powerhead Lubrication System Diagnosis
Z9J0111504002
Condition Possible cause Correction / Reference Item
Low oil pressure Clogged oil filter. Replace.
Leakage from oil passages. Repair or replace.
Defective oil pump. Replace.
Defective oil pressure regulator. Replace.
Damaged O-ring. Replace.
Combination of above item. Repair or replace.
High oil pressure Using an engine oil of too high viscosity. Replace.
Clogged oil passage. Clean or replace.
Clogged oil pressure regulator. Replace.
Combination of above items. Repair or replace
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