ENGINE AND EMISSION CONTROL SYSTEM (M13 ENGINE) 6E2-1
6E2
SECTION 6E2
ENGINE AND EMISSION CONTROL SYSTEM
(M13 ENGINE)
CONTENTS
General Description......................................6E2-3
Engine and Emission Control System
Construction ................................................6E2-3
Air Intake System Description .....................6E2-6
Fuel Delivery System Description ...............6E2-7
Electronic Control System Description........6E2-8
On-Vehicle Service......................................6E2-15
Accelerator cable adjustment................6E2-15
Idle speed/idle air control (IAC)
duty inspection ......................................6E2-15
Air Intake System......................................6E2-17
Throttle body Components....................6E2-17
Throttle body on-vehicle
inspection ..............................................6E2-17
Throttle body removal and
installation .............................................6E2-17
Throttle body cleaning...........................6E2-19
Idle air control (IAC) valve
operation check.....................................6E2-19
Idle air control (IAC) valve removal and
installation .............................................6E2-19
Idle air control (IAC) valve check...........6E2-20
Oil control valve removal and
installation .............................................6E2-21
Oil control valve inspection....................6E2-21
Fuel Delivery System ................................6E2-22
Fuel pressure inspection .......................6E2-22
Fuel pump with pressure regulator
on-vehicle inspection.............................6E2-23
Fuel pump with pressure regulator
removal and installation ........................ 6E2-24
Fuel pump with pressure regulator
inspection.............................................. 6E2-24
Fuel injector on-vehicle inspection ........ 6E2-24
Fuel injector removal and
installation ............................................. 6E2-25
Fuel injector inspection ......................... 6E2-26
Electronic Control System......................... 6E2-28
Engine control module (ECM)
removal and installation ........................ 6E2-28
Manifold absolute pressure
sensor (MAP sensor) inspection ........... 6E2-29
Throttle position sensor
(TP sensor) on-vehicle inspection......... 6E2-30
Throttle position sensor
(TP sensor) removal and installation..... 6E2-30
Engine coolant temperature
sensor (ECT sensor) removal
and installation ...................................... 6E2-31
Engine coolant temperature
sensor (ECT sensor) inspection............ 6E2-32
Heated oxygen sensor
(HO2S-1 and HO2S-2) heater
on-vehicle inspection............................. 6E2-32
Heated oxygen sensor
(HO2S-1 and HO2S-2) removal
and installation ...................................... 6E2-33
WARNING:
For vehicles equipped with a 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” under
“General Description” in Section 10B in order to confirm whether you are performing service on or
near the air bag system components or wiring. Please observe all WARNINGS and “Service Precau-
tions” under “On-Vehicle Service” in Section 10B before performing service on or around the air
bag system components or wiring. Failure to follow WARNINGS could result in unintentional activa-
tion of the system or could render the system inoperative. Either 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 system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
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