Suzuki GA413, Service Manual

Page: 893 / 1246

ENGINE AND EMISSION CONTROL SYSTEM 6E-1
GA413
supple
SECTION 6E
ENGINE AND EMISSION CONTROL SYSTEM
WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System:
Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to “Air Bag System Components and Wiring Location View” un-
der “General Description” in air bag system section in order to confirm whether you are perform-
ing service on or near the air bag system components or wiring. Please observe all WARNINGS
and “Service Precautions” under “On-Vehicle Service” in air bag system section before perform-
ing service on or around the air bag system components or wiring. Failure to follow WARNINGS
could result in unintentional activation of the system or could render the system inoperative. Ei-
ther of these two conditions may result in severe injury.
Technical service work must be started at least 90 seconds after the ignition switch is turned to
the “LOCK” position and the negative cable is disconnected from the battery. Otherwise, the sys-
tem may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
NOTE:
This section covers vehicle equipped with HO2S-2 (rear heated oxygen sensor) or immobilizer system.
For other than the vehicle, refer to the same section of the Service Manual mentioned in FOREWORD
of this manual.
Whether following systems (parts) are used in the particular vehicle or not depends on specifications.
Be sure to bear this in mind when performing service work.
– EGR valve
– Heated oxygen sensor (s) or CO adjusting resistor
– Three way catalytic converter (TWC) and warm up three-way catalytic converter (WU-TWC)
CONTENTS
6E
GENERAL DESCRIPTION 6E- 2 . . . . . . . . . . . . . . . . .
AIR INTAKE SYSTEM 6E- 6 . . . . . . . . . . . . . . . . . . . . .
FUEL DELIVERY SYSTEM 6E- 7 . . . . . . . . . . . . . . . . .
ELECTRONIC CONTROL SYSTEM 6E- 8 . . . . . . . . .
Engine and Emission Control
Input/Output Table 6E- 9 . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS See Section 6. . . . . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE 6E-12 . . . . . . . . . . . . . . . . . . .
Accelerator Cable Adjustment 6E-12 . . . . . . . . . . . .
Idle Speed/Idle Air Control (IAC)
Duty Inspection 6E-12 . . . . . . . . . . . . . . . . . . . . . . . .
Idle mixture Inspection/Adjustment 6E-14 . . . . . . . .
AIR INTAKE SYSTEM 6E-15 . . . . . . . . . . . . . . . . . . . . .
Throttle Body 6E-15 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Idle Air Control Valve 6E-18 . . . . . . . . . . . . . . . . . . . .
FUEL DELIVERY SYSTEM 6E-19 . . . . . . . . . . . . . . . . .
Fuel Pressure Inspection 6E-19 . . . . . . . . . . . . . . . . .
Fuel Pump 6E-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Pressure Regulator 6E-21 . . . . . . . . . . . . . . . . .
Fuel Injector 6E-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC CONTROL SYSTEM 6E-26 . . . . . . . . .
ECM 6E-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAP Sensor 6E-26 . . . . . . . . . . . . . . . . . . . . . . . . . . .
TP Sensor 6E-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IAT Sensor 6E-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ECT Sensor 6E-29 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heated Oxygen Sensor -1 and -2 6E-30 . . . . . . . . .
Camshaft Position Sensor 6E-31 . . . . . . . . . . . . . . . .
Crankshaft Position Sensor 6E-32 . . . . . . . . . . . . . .