Suzuki SY413 Service Manual page 2600

ENGINE GENERAL INFORMATION
(G13/G16 ENGINE WITH WU TWC)
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
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.
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 sys-
tem may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
NOTE:
D For vehicle without WU TWC, refer to Section 6 and 6E1.
D PCM means Powertrain Control Module. Transmission control function is integrated into ECM. G13 en-
gine vehicle with automatic transmission (3 A/T vehicle) is equipped with PCM.
GENERAL INFORMATION
Statement on Cleanliness and Care
General Information on Engine Service
Precaution on Fuel System Service
Fuel Pressure Relief Procedure
Fuel Leakage Check Procedure
ENGINE DIAGNOSIS . . . . . . . . . . . . . . . . . . . . .
General Description . . . . . . . . . . . . . . . . . . . . . .
On-Board Diagnostic System
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 . . . . . . . . . . . . . . . . . . . . . . .
Engine Basic Inspection
ENGINE GENERAL INFORMATION AND DIAGNOSIS (G13/G16 ENGINE WITH WU TWC) 6-1-1
SECTION 6-1
AND DIAGNOSIS
CONTENTS
. . . . . . . . . . . . . . . . 6-1- 3
. . . . . . . . 6-1- 3
. . . . . 6-1- 3
. . . . . . 6-1- 4
. . . . . . . . . . 6-1- 5
. . . . . . . . . . 6-1- 5
6-1- 6
6-1- 6
. . . . . . . . . . . . . . 6-1- 6
. . . . . . . . . . . . . . 6-1- 9
. . . . . . 6-1-11
. . . . . . . 6-1-12
. . . . . . . . . . 6-1-12
. . . . . . 6-1-13
. . . . . . . . . . 6-1-14
6-1-17
6-1-18
. . . . . . . . . . . . . . . . 6-1-19
Engine Diagnosis Table
Scan Tool Data . . . . . . . . . . . . . . . . . . . . . . . . . .
Scan Tool Data Definitions
Inspection of ECM (PCM) and Its Circuits
Voltage Check . . . . . . . . . . . . . . . . . . . . . . . . .
Resistance Check . . . . . . . . . . . . . . . . . . . . . .
Component Location . . . . . . . . . . . . . . . . . . . . . .
Table A-1 MIL Circuit Check (Lamp does
not come ON at ignition switch on)
Table A-2 MIL Circuit Check
(Lamp remains ON after engine starts)
Table A-3 ECM (PCM) Power and Ground
Circuit Check . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0105 MAP Circuit Malfunction
DTC P0110 IAT Circuit Malfunction
DTC P0115 ECT Circuit Malfunction
DTC P0120 Throttle Position Circuit
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 6-1-21
6-1-28
. . . . . . . . . . . . . . 6-1-31
. . . 6-1-33
6-1-33
6-1-38
6-1-39
. . . . . . . . 6-1-40
. . . . . 6-1-41
6-1-42
. . . . . . . . 6-1-44
. . . . . . . . . 6-1-47
. . . . . . . . 6-1-49
6-1-51
6-1