IMT Vacuum Tank

WARNING: This page is about a different car, the 2006 Suzuki XL-7. 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: Checking Vacuum Passage Of IMT Vacuum Tank
  Courtesy of SUZUKI OF AMERICA CORP.
Connect vacuum hoses to intake manifold and IMT vacuum solenoid valve.