WGV-VSV On-Vehicle Inspection

Precautions: General safety (00)

1)Remove engine cover.

2)Remove air cleaner suction pipe.

3)Prepare to operate WGV-VSV as follows.

•Using SUZUKI scan tool:

a.Connect SUZUKI scan tool to DLC (1) with ignition “OFF”.

Special Tool

(A): SUZUKI scan tool (Suzuki SDT-II)

b.With ignition “ON”, clear DTC and select “Active Test” mode on SUZUKI scan tool.

NOTE:

WGV-VSV is operated using scan tool as follows.

•WGV-VSV is OFF: 0%
•WGV-VSV is ON: 100%

•Without using SUZUKI scan tool:

a.Connect service wire (1) between WGV-VSV (2) and WGV-VSV connector with ignition “OFF”.
b.Set ignition “ON”.

NOTE:

WGV-VSV is operated using service wire as follows.

•WGV-VSV is OFF:
[a]: Unground “GRY” harness side terminal of WGV-VSV.
•WGV-VSV is ON:
[b]: Ground “GRY” harness side terminal of WGV-VSV.

4)Set ignition “OFF”.

5)Disconnect vacuum hoses (1) from WGV-VSV.

6)Disconnect vacuum hose (2) from waste gate valve.

7)Connect special tool to vacuum hose (2).

Special Tool

(A): 09917–47011

8)Set ignition “ON”.

9)Check WGV-VSV operation as follows.

a)Close port (1) with your finger or a rubber plug and check that vacuum of –60 kPa (–0.6 kgf/cm², –8.7 psi, –0.6 bar) can be applied when WGV-VSV is turned off.

b)Open port (1) and check that the vacuum decreases when WGV-VSV is turned off.

c)Close port (2) with your finger or a rubber plug and check that vacuum of –60 kPa (–0.6 kgf/cm², –8.7 psi, –0.6 bar) can be applied when WGV-VSV is turned on.

d)Open port (2) and check that the vacuum decreases when WGV-VSV is turned on.

10)If faulty condition is found, check the following items.

•Wire harness and connections
•WGV-VSV

•Vacuum hose