Test 7: Exhaust Gas Recirculation Valve - Suzuki Grand Vitara 2011 Manual

1A-373 Engine General Information and Diagnosis: For Diesel Engine Model
Step
3 Manually check the axial play of the wheels. ([A]: Axial play,
[B]: Radial play)
The significant axial play is approximately 2 mm (0.080 in.).
Does the turbo have too much play in the shaft?

Test 7: Exhaust gas recirculation valve

Step
1 VALVE POSITION FAULT FINDING:
Or detection of a leak in the exhaust gas recirculation valve
Clear the faults.
Use "Initialize EGR valve data" on SUZUKI scan tool
command to try to reinitialise the operating values of the
EGR valve.
Switch OFF the ignition and wait 40 seconds.
Switch the ignition back on and check for faults.
If the fault is still present:
• Switch OFF the vehicle ignition.
• Disconnect the connector of the EGR valve.
• Remove the EGR valve referring to "EGR Valve Removal
and Installation: For F9Q Engine in Section 1D" and
reconnect it after having removed it.
• Check that no particles are blocking the movement of the
EGR valve flap.
• Check that the EGR valve is not stuck or jammed in one
position.
• Switch ON the ignition again.
• Check the movement of the valve with displaying "EGR
position sensor" on Data List of SUZUKI scan tool (0 to
2.5 mm travel for an opening cyclic ratio of 40% and when
fully open, ~ 5 mm, for an opening cyclic ratio of 95%).
• Check that the EGR valve flap closes completely.
Is there in good condition?
2 EGR VALVE BUSHING FAULT FINDING:
Remove the EGR valve referring to "EGR Valve Removal
and Installation: For F9Q Engine in Section 1D" the EGR
valve should not contain a cluster of soot between the base
and the valve.
Clean the EGR valve sleeve if necessary.
Is there in good condition?
Action
I5JB0B110015-01
Action
Yes
Replace the
turbocharger. If the
rotating part is broken:
change the engine oil
and the oil filter.
clean the intercooler
and the air circuit ducts.
Yes
Go to Step 2.
Go to Step 3.
No
The rotating part is in
order.
S6JB0A1124172
No
Replace the EGR valve
referring to "EGR Valve
Removal and
Installation: For F9Q
Engine in Section 1D".
Replace the EGR valve
referring to "EGR Valve
Removal and
Installation: For F9Q
Engine in Section 1D".