Suzuki 2000 Grand Vitara SQ625 Service Manual page 633

Inspection
1) Check resistance between following terminals of EGR valve in
each pair.
B – valve body
E – valve body
1. EGR valve
2. Connector
If found faulty, replace EGR valve assembly
2) Remove carbon from EGR valve (1) gas passage.
NOTE:
Do not use any sharp–edged tool to remove carbon.
Be careful not to damage or bend EGR valve, valve seat (3)
and rod.
3) Inspect valve (2), valve seat and rod for fault, cracks, bend or
other damage.
If found faulty, replace EGR valve assembly.
Installation
Reverse removal procedure noting following.
D Clean mating surface of valve and intake manifold.
D Use new gasket.
ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE) 6E2-45
Terminals
A – B
C – B
F – E
D – E
Standard resistance
20 – 24 W at 20_C, 68F
Infinity (8)