IMT Vacuum Tank

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara, 2007 Suzuki Grand Vitara, and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Check for outside of IMT vacuum tank visually.
Disconnect vacuum hoses from intake manifold and IMT vacuum solenoid valve.
Check for vacuum passage of IMT vacuum tank as follows by using vacuum pump.
1. When applying vacuum (- 53 kPa (- 7.69 psi) to - 67 kPa (-9.72 psi)) to hose (1), vacuum is maintained (there is no leakage): [A]
2. When applying vacuum to hose (2), vacuum is not maintained: [B]
  If check result is not described, replace IMT vacuum tank assembly.
  
  Fig 1: Connecting Vacuum Hoses To Intake Manifold & IMT Vacuum Solenoid Valve
  Courtesy of SUZUKI OF AMERICA CORP.
Connect vacuum hoses to intake manifold and IMT vacuum solenoid valve.