2003-2008 4JA1/4JH1-TC workshop manual

Table of Contents

Section 6: Troubleshooting

Basic Inspection Procedure

• Basic Inspection Procedure

Hard Starting

1. Starter Motor Inoperative
2. Starter Motor Operates But Engine Does Not Turn Over
3. Engine Turns Over But Does Not Start

Unstable Idling

4. Insufficient Power

Excessive Fuel Consumption

5. Excessive Oil Consumption

Overheating

6. White Exhaust Smoke

Dark Exhaust Smoke

7. Oil Pressure Does Not Rise

Engine Noise

8. Engine Knocking
9. Unusual Engine Noise
10. Continuous Noise
11. Stopping Noise
12. Excessive Turbocharger Noise

Turbocharger Issues

13. Rotating Part Wear of Turbocharger
14. Oil Leakage from Turbocharger
15. Insufficient Acceleration and/or Lack of Power Due to Turbocharger

Battery Charging and Noise Problems

16. Battery Does Not Charge
17. Battery Overcharging
18. Battery Undercharging
19. Battery Unstable Charging

Starter Motor Problems

20. Starter Motor Pinion Engages But Flywheel Ring Gear Does Not Rotate
21. Starter Motor Does Not Stop After Engine Starts
22. Run After The Starter Motor Stops
23. Slow Motor Operation
24. Excessive Commutator Sparking

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