EVAP Canister Purge System Inspection

Precautions: General safety (00)

WARNING:

Do not use mouth to apply vacuum to EVAP canister purge valve. Fuel vapor is harmful.

Use a hand vacuum pump to apply vacuum.

NOTICE:

If excessive vacuum is applied, the EVAP canister purge valve may be damaged.

Do not exceed a vacuum of –66 kPa (–0.7 kgf/cm², –9.57 psi, –0.66 bar).

1)Prepare to operate EVAP canister purge valve 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:

EVAP canister purge valve is operated using scan tool as follows.

•EVAP canister purge valve is OFF: 0%
•EVAP canister purge valve is ON: 100%

•Without using SUZUKI scan tool:

a.Connect service wire (2) between EVAP canister purge valve (1) and EVAP canister purge valve connector with ignition “OFF”.
b.Set ignition “ON”.

NOTE:

EVAP canister purge valve is operated using service wire as follows.

•EVAP canister purge valve is OFF:
[a]: Unground “BLK” harness side terminal of EVAP canister purge valve.
•EVAP canister purge valve is ON:
[b]: Ground “BLK” harness side terminal of EVAP canister purge valve.

2)Set ignition “OFF”.

3)Disconnect vacuum hose from intake manifold and purge hose from EVAP canister purge valve (1).

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

Special Tool

(A): 09917–47011

5)Set ignition “ON”.

6)Check EVAP canister purge valve operation as follows.

a)Check that vacuum of –60 kPa (–0.6 kgf/cm², –8.7 psi, –0.6 bar) can be applied when EVAP canister purge valve is turned off [A].

b)Check that no vacuum can be applied when EVAP canister purge valve is turned on [B].

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

•Wire harness and connections
•EVAP canister purge valve:

•Vacuum hose: