Diagnostic Procedure 18 — Engine knocks (Detonation)
EF & EC-112flowchartDiagnostic Procedure 18 — Engine knocks (Detonation)
1
Check cooling water. Check cooling water level in reservoir tank. When engine is hot, do not loosen radiator cap.
N.G.
Add cooling water, then check cooling system for leaks and radiator cap condition. (Refer to 'Engine Cooling System' in LC section.)
O.K.
2
Check cooling water level. Warm up engine. Check to ensure water temperature gauge registers proper cooling water level (midpoint on indicator).
N.G.
Check water pump, thermostat and water hoses. (Refer to 'Engine Cooling System' in LC section.)
O.K.
3
Check ignition timing. [CONSULT] Conduct 'Ignition Timing Adj' with 'FUNCTION TEST' showing on display. [No CONSULT] After warming up engine, run engine at idle and check ignition timing using a timing light. (Refer to 'Idle Speed/Ignition Timing/Air-Fuel Ratio Inspection'). Ignition timing: 15 deg ± 2 deg (BTDC)
N.G.
Adjust ignition timing by turning distributor.
O.K.
4
A (continues to next page)