Suzuki SX4 Service Manual page 45

Precautions .................................................1-1
Precautions............................................................. 1-1
Precautions for Engine.......................................... 1-1
Engine General Information and
Diagnosis ................................................. 1A-1
Precautions...........................................................1A-1
Precautions on Engine Service ........................... 1A-1
Precaution on On-Board Diagnostic (OBD)
System .............................................................. 1A-1
Precautions in Diagnosing Trouble ..................... 1A-1
Precautions for DTC Troubleshooting................. 1A-2
Precautions of ECM Circuit Inspection................ 1A-2
Precautions of Electric Throttle Body System
Calibration ......................................................... 1A-2
Precaution on CAN Troubleshooting .................. 1A-3
General Description .............................................1A-5
Statement on Cleanliness and Care ................... 1A-5
Engine Diagnosis General Description ............... 1A-5
On-Board Diagnostic System Description........... 1A-5
Data Link Connector (DLC) Description.............. 1A-8
Engine and Emission Control System
Description ........................................................ 1A-8
CAN Communication System Description........... 1A-9
Air Intake System Description ........................... 1A-11
Description of Electric Throttle Body System
Calibration ....................................................... 1A-11
Electric Throttle Body System Description ........ 1A-11
Electronic Control System Description.............. 1A-12
Engine and Emission Control Input / Output
Table ............................................................... 1A-13
Schematic and Routing Diagram......................1A-14
ECM Input / Output Circuit Diagram.................. 1A-14
Engine and Emission Control System Flow
Diagram .......................................................... 1A-18
Engine and Emission Control System
Diagram .......................................................... 1A-19
Component Location .........................................1A-21
Electronic Control System Components
Location .......................................................... 1A-21
Diagnostic Information and Procedures..........1A-22
Engine and Emission Control System Check.... 1A-22
Malfunction Indicator Lamp (MIL) Check .......... 1A-25
DTC Check ....................................................... 1A-25
Section 1
Engine
CONTENTS
DTC Clearance .................................................1A-26
Troubleshooting for Communication Error
with Scan Tool Using CAN..............................1A-26
DTC Table.........................................................1A-32
Fail-Safe Table..................................................1A-36
Scan Tool Data .................................................1A-38
Visual Inspection ...............................................1A-43
Engine Basic Inspection....................................1A-43
Engine Symptom Diagnosis ..............................1A-45
Malfunction Indicator Lamp Does Not Come
ON with Ignition Switch ON and Engine Stop
(but Engine Can Be Started) ...........................1A-52
Malfunction Indicator Lamp Remains ON after
Engine Starts...................................................1A-54
DTC P0010: Camshaft Position Actuator
Circuit (for engine with VVT system)...............1A-55
DTC P0011 / P0012: Camshaft Position -
Timing Over-Advanced or System
Performance / Retarded (for engine with
VVT system)....................................................1A-57
DTC P0031 / P0032: HO2S Heater Control
Circuit Low / High (Sensor-1) ..........................1A-59
DTC P0037 / P0038: HO2S Heater Control
Circuit Low / High (Sensor-2) ..........................1A-61
DTC P0101: Mass Air Flow Circuit Range /
Performance....................................................1A-63
DTC P0102: Mass Air Flow Circuit Low Input ...1A-66
DTC P0103: Mass Air Flow Circuit High Input ..1A-67
DTC P0106: Manifold Absolute Pressure
Range / Performance ......................................1A-69
DTC P0107: Manifold Absolute Pressure
Circuit Low Input .............................................1A-70
DTC P0108: Manifold Absolute Pressure
Circuit High Input.............................................1A-72
DTC P0111: Intake Air Temperature Circuit
Range / Performance ......................................1A-74
DTC P0112: Intake Air Temperature Sensor
Circuit Low ......................................................1A-76
DTC P0113: Intake Air Temperature Sensor
Circuit High......................................................1A-78
DTC P0116: Engine Coolant Temperature
Circuit Range / Performance...........................1A-80
DTC P0117: Engine Coolant Temperature
Circuit Low ......................................................1A-83
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