Suzuki Wagon R Plus RB310, Service Manual

Page: 495 / 846

6E2-42 ENGINE AND EMISSION CONTROL SYSTEM (M13 ENGINE)
2) Remove carbon from EGR valve gas passage.
3) Inspect valve (2), valve seat and rod for fault, cracks, bend or
other damage.
If found faulty, replace EGR valve assembly.
Evaporative emission control system inspection
EVAP Canister Purge
1) Disconnect purge hose (1) from EVAP canister (2).
2) Place finger against the end of disconnected hose and check
that vacuum is not felt there when engine is cool and running
at idle speed.
If check result is not satisfactory, check EVAP canister purge
valve, wire harness and ECM.
EVAP Canister Purge Valve and Its Circuit
1) Prepare to operate EVAP canister purge valve as follows.
a) When using SUZUKI scan tool:
i) Connect SUZUKI scan tool to DLC with ignition switch
OFF and disconnect purge valve vacuum hoses from
intake manifold and purge valve chamber.
ii) Turn ON ignition switch, clear DTC and select “MISC
TEST” mode on SUZUKI scan tool.
b) When not using SUZUKI scan tool:
i) Disconnect purge valve vacuum hoses from intake mani-
fold and purge valve chamber.
NOTE:
Do not use any sharp–edged tool to remove carbon.
Be careful not to damage or bend EGR valve (1), valve
seat (3) and rod.
NOTE:
Before inspection, check to make sure that gear shift
lever is in neutral position (with A/T model, selector lever
in “P” range) and that parking brake lever is pulled all the
way up.
1
2