Engine General Information and Diagnosis

Tank Pressure Control Solenoid Valve and Its Circuit Inspection
1. Prepare to operate tank pressure control solenoid valve as follows.




When using SUZUKI scan tool:
1. Connect SUZUKI scan tool to DLC with ignition switch OFF.
2. Turn ignition switch ON, clear DTC and select "MISC TEST" mode on SUZUKI scan tool.




When not using SUZUKI scan tool:
1. Turn ignition switch ON.
2. Using service wire, ground E91 -26 terminal of ECM connector (valve ON) and unground it (valve OFF).




2. Check pressure control solenoid valve for operating sound when valve is switched ON and OFF by using SUZUKI scan tool or service wire.

If no sound is heard, check wire harness, connections and tank pressure control solenoid valve.