Suzuki Wagon R Manual page 3930

ENGINE AND EMISSION CONTROL SYSTEM
(Z10XEP AND Z12XEP ENGINES)
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).
General Description ......................................6E4-2
Electronic Control System Description ........6E4-2
On-Vehicle Service........................................6E4-6
Throttle Body Removal and Installation ......6E4-6
Twinport Sensor Removal and
Installation ...................................................6E4-7
Twinport Vacuum Unit Removal and
Installation ...................................................6E4-8
Fuel Pressure Inspection ............................6E4-8
Fuel Pump with Pressure Regulator
On-Vehicle Inspection ...............................6E4-10
Fuel Pump with Pressure Regulator
Removal and Installation ...........................6E4-11
Fuel Pump with Pressure Regulator
Inspection ..................................................6E4-11
Fuel Injector On-Vehicle Inspection ..........6E4-11
Fuel Injector Removal and Installation ......6E4-11
Engine Control Module (ECM) Removal
and Installation ..........................................6E4-13
Engine Coolant Temperature Sensor
(ECT Sensor) Removal and Installation ....6E4-13
Heated Oxygen Sensor (HO2S-1 and
HO2S-2) Heater On-Vehicle Inspection ....6E4-14
ENGINE AND EMISSION CONTROL SYSTEM (Z10XEP AND Z12XEP ENGINES) 6E4-1
SECTION 6E4
CONTENTS
Heated Oxygen Sensor (HO2S-1 and
HO2S-2) Removal and Installation ........... 6E4-14
Camshaft Position Sensor (CMP Sensor)
Removal and Installation........................... 6E4-15
Crankshaft Position Sensor (CKP Sensor)
Removal and Installation........................... 6E4-16
Fuel Level Sensor Removal and
Installation................................................. 6E4-17
Fuel Level Sensor Inspection.................... 6E4-17
Knock Sensor Removal and Installation ... 6E4-17
Main Relay, Fuel Pump Relay and
Radiator Fan Relay Inspection.................. 6E4-18
Radiator Fan Control System
Inspection.................................................. 6E4-18
Mass Air Flow (MAF) Sensor Removal
and Installation.......................................... 6E4-19
EGR Valve Removal and Installation........ 6E4-19
Evaporative Emission Control System
Inspection.................................................. 6E4-20
Special Tool................................................. 6E4-21
Tightening Torque Specification ............... 6E4-21
6E4