Suzuki Wagon R Manual page 340

WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System:
D Service on and around the air bag system components or wiring must be performed only by an autho-
rized SUZUKI dealer. Refer to "Air Bag System Components and Wiring Location View" under "Gener-
al Description" in air bag system section 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 air bag system section before performing 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. Either of these two conditions may
result in severe injury.
D 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 INFORMATION AND ENGINE DIAGNOSIS
ENGINE MECHANICAL
ENGINE COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE FUEL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE AND EMISSION CONTROL SYSTEM
IGNITION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRANKING SYSTEM (0.8 kw/1.2 kW)
CHARGING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EXHAUST SYSTEM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL INFORMATION
ENGINE DIAGNOSIS
. . . . . . . . . . . . . . . . . . .
General Description . . . . . . . . . . . . . . . . . . .
On-Board Diagnostic System
(Vehicle with EGR valve)
On-Board Diagnostic System
(Vehicle without EGR valve)
Precaution in Diagnosing Trouble
Engine Diagnostic Flow Table
Customer Problem Inspection Form
Malfunction Indicator Lamp Check
Diagnostic Trouble Code Check
Diagnostic Trouble Code Clearance
Diagnostic Trouble Code Table
Fail-safe Table . . . . . . . . . . . . . . . . . . . . .
Visual Inspection . . . . . . . . . . . . . . . . . . .
SECTION 6
ENGINE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONTENTS
. . . . . . . . . . . . . . 6- 3
6- 6
6- 6
. . . . . . . . . . . . . 6- 6
. . . . . . . . . . 6- 9
. . . . . . . 6-10
. . . . . . . . . . 6-11
. . . 6-13
. . . . 6-14
. . . . . . 6-14
. . . 6-15
. . . . . . . 6-16
6-19
6-20
ENGINE GENERAL INFORMATION 6-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Basic Inspection
Engine Diagnosis Table
Scan Tool Data . . . . . . . . . . . . . . . . . . . . . . .
Inspection of ECM and Its Circuits
Voltage Check . . . . . . . . . . . . . . . . . . . . .
Resistance Check
Component Location
Table A-1 MIL Circuit Check
(Lamp does not come on)
Table A-2 MIL Circuit Check
(Lamp remains ON)
Table A-3 ECM Power and Ground
Circuit Check . . . . . . . . . . . . . . . . . . . . . . .
DTC P0105 MAP Circuit Malfunction
DTC P0110 IAT Circuit Malfunction
DTC P0115 ECT Circuit Malfunction
6A1-1
6B-1
6C-1
6E-1
6F1-1
6G-1
6H-1
6K-1
. . . . . . . . . . . . . 6-21
. . . . . . . . . . . . . 6-23
6-30
. . . . . . 6-34
6-34
. . . . . . . . . . . . . . . . . . 6-38
. . . . . . . . . . . . . . . . . . 6-39
. . . . . . . . . . . . 6-40
. . . . . . . . . . . . . . . . . . 6-41
6-42
. . . . 6-44
. . . . . 6-47
. . . . 6-49
6
6-1