Suzuki GA413, Service Manual

Page: 485 / 1246

A/C SIGNAL, A/C ON SIGNAL CONTROL
SYSTEM (IF A/C EQUIPPED)
INSPECTION
Check A/C signal and A/C ON signal. Refer to “B-7 A/C Signal Cir-
cuit Check” in this section.
EMISSION CONTROL SYSTEM
EGR SYSTEM (IF EQUIPPED)
SYSTEM INSPECTION [Using SUZUKI scan tool]
1) Connect SUZUKI scan tool to data link connector (DLC) with
ignition switch OFF position.
Special tool
(A): 09931-76011 (SUZUKI scan tool)
(B): Mass storage cartridge
(C): 09931-76030 (16/14 pin DLC cable)
NOTE:
For operation procedure of cartridge, refer to its cartridge
operator’s manual.
2) Start engine and warm up it to normal operating temperature.
3) With engine speed between 1500 r/min and 3000 r/min, open
EGR valve, using “MISC. TEST” mode.
In this state, according as EGR valve opening increases engine
idle speed drops. If not, go to “B-6 EGR System Check” in this
section.
ENGINE AND EMISSION CONTROL SYSTEM 6E-75