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TROUBLESHOOTING
OIL PRESSURE SYSTEM
OIL PRESSURE SYSTEM
If the oil pressure switch fails to operate.
No. Checking steps Possible remedy
1 Check the battery.
• Clean the battery terminals.
• Recharge or replace the battery.
2 Check the main switch. Replace the main switch.
3 Check the engine oil level. Add the oil if it is insufficient.
4 Check the oil filter. Replace the oil filter.
5
Check the oil pressure switch.
(Refer to “CHECKING THE OIL PRESSURE SWITCH” on
page 5-5)
Replace the oil pressure switch.
6
Check the entire oil pressure system’s wiring.
(Refer to “CIRCUIT DIAGRAM” on page 5-1)
Properly connect or repair the oil pres-
sure system’s wiring.
7
Check the oil pump.
(Refer to “CHECKING THE OIL PUMP” on page 3-33)
Replace the oil pump.
8
Check the relief valve.
(Refer to “CHECKING THE RELIEF VALVE” on page 3-34)
Replace the relief valve.
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