EGR Valve Assembly Inspection

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.

Reference: EGR VALVE ASSEMBLY REMOVAL AND INSTALLATION

Check resistance between the following terminals of EGR valve (1) in each pair.
If found faulty, replace EGR valve assembly.

EGR valve resistance

Terminal "A" and terminal "B": 20-24 Ω at 20°C (68°F)

Terminal "C" and terminal "B": 20-24 Ω at 20°C (68°F)

Terminal "F" and terminal "E": 20-24 Ω at 20°C (68°F)

Terminal "D" and terminal "E": 20-24 Ω at 20°C (68°F)

Terminal "B" and valve body: infinity (∞)

Terminal "E" and valve body: infinity (∞)

Fig 1: Identifying EGR Valve Connector Terminals
Courtesy of SUZUKI OF AMERICA CORP.
Remove carbon from EGR valve gas passage.
NOTE: Do not use any sharp-edged tool to remove carbon.
Be careful not to damage or bend EGR valve, valve seat and rod.
Inspect valve (2), valve seat (3) and rod for fault, cracks bend or other damage.
If found faulty, replace EGR valve (1) assembly.

Fig 2: Identifying EGR Valve & Valve Seat
Courtesy of SUZUKI OF AMERICA CORP.