Page 621 - Foton Workshop Manual - Tunland (AT)

DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-475

OIL LEAKAGE OF TURBOCHARGER

Fault phenomenon Diagnosis logic Possible reasons
• Turbocharger fault
• Turbocharger
Oil leakage of turbocharger • Oil pipe of turbocharger
• Oil pipe of turbocharger
fault
04

Diagnosis Procedure

1 . Check the engine data
(a) Ignition switch: OFF.
(b) Connect the diagnosis tool with the fault diagnosis connector (16 pins) on the lower
left of the dashboard.
(c) Ignition switch: ON, and start the diagnostic tool.
(d) Read the motor data shown on the diagnostic tool.

Check whether the data flow is normal or not.
YES>To step 2.
No >Maintenance related faults.

2 . Check turbocharger
(a) Check whether turbocharger can work properly.

Is the inspection result normal?
YES>To step 3.
No >Maintenance related faults.

3 . Check turbocharger oil pipe
(a) Check whether turbocharger oil pipe leaks.
Is the inspection result normal?

YES>Complete the diagnosis and the system is confirmed to be normal.
NO> Replace turbocharger oil pipe

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