TOHATSU BFT115A Service Manual page 112

TROUBLESHOOTING
THE OVERHEAT INDICATOR LIGHT GOES OFF AND OIL INDICATOR LIGHT GOES OFF OR BLINKS
1. MIL inspection
Check to see if the MIL stays on.
Does the MIL stay ON?
YES
NO
2. Oil level inspection
Stop the engine and check the oil level.
Is the oil level at the proper level?
YES
NO
3. Oil indicator light inspection
Let the engine idle.
Check the oil indicator light and buzzer.
Does the oil indicator light come ON and warning buzzer stop sounding?
YES
NO
4. Oil Pressure inspection
Turn the combination switch OFF.
Clear the DTC.
– Using the HDS (page 5-6)
– Without using the HDS (page 5-6)
Check the oil pressure (page 12-13).
Is the oil pressure within specification?
YES
NO
THE OVERHEAT INDICATOR LIGHT GOES OFF AND OIL INDICATOR LIGHT COMES ON
1. Overheat indicator light and oil indicator light inspection
Inspect the overheat indicator light and oil indicator light.
– Using the HDS (page 4-18)
– Without using the HDS (page 4-19)
Are they normal?
YES
NO
4-22
– Perform PGM-FI troubleshooting (page 5-6).
– GO TO STEP 2.
– GO TO STEP 3.
– Adjust the oil level.
– Temporary failure (disappears)
– GO TO STEP 4.
– Replace the ECM with a new one and recheck.
– • Oil strainer is clogged.
• Faulty oil pump
• Oil passage is clogged.
• Oil filter cartridge is clogged.
– Replace the ECM with a new one and recheck.
– Replace or repair the faulty part.