Table of Contents
Precautions .................................................1-1
Precautions............................................................. 1-1
Precautions for Engine.......................................... 1-1
Precautions...........................................................1A-1
Precautions on Engine Service ........................... 1A-1
Precautions in Diagnosing Trouble ..................... 1A-1
General Description .............................................1A-1
Statement on Cleanliness and Care ................... 1A-1
Engine Diagnosis General Description ............... 1A-2
On-Board Diagnostic System Description........... 1A-2
Description ........................................................ 1A-5
Air Intake System Description ............................. 1A-6
Electronic Control System Description................ 1A-6
Schematic and Routing Diagram......................1A-12
Component Location .........................................1A-14
Diagnostic Information and Procedures..........1A-16
Engine and Emission Control System Check.... 1A-16
Malfunction Indicator Lamp (MIL) Check .......... 1A-19
DTC Check ....................................................... 1A-20
DTC Clearance ................................................. 1A-20
DTC Table......................................................... 1A-21
Fail-Safe Table.................................................. 1A-24
Scan Tool Data ................................................. 1A-25
Visual Inspection ............................................... 1A-29
Engine Basic Inspection.................................... 1A-29
Engine Symptom Diagnosis .............................. 1A-33
Malfunction Indicator Lamp Does Not Come
ON at Ignition Switch ON (But Engine at
Stop) ............................................................... 1A-39
Malfunction Indicator Lamp Remains ON after
Engine Starts .................................................. 1A-41
MIL Flashes at Ignition Switch ON (Vehicle
without Immobilizer Indicator Lamp) ............... 1A-42
Section 1
Engine
CONTENTS
MIL Does Not Flash or Just Remains ON
Even with Grounding Diagnosis Switch
Terminal (Vehicle without Immobilizer
Indicator Lamp) ...............................................1A-43
MIL Does Not Light at Ignition Switch ON and
Engine Does Not Start Through It Is Cranked
Up....................................................................1A-44
DTC P0105 (No. 11): Manifold Absolute
Pressure (MAP) Circuit Malfunction ................1A-46
DTC P0110 (No. 18): Intake Air Temp. (IAT)
Circuit Malfunction...........................................1A-48
DTC P0115 (No. 19): Engine Coolant Temp.
(ECT) Circuit Malfunction ................................1A-50
DTC P0120 (No. 13): Throttle Position Circuit
Malfunction......................................................1A-52
DTC P0121: Throttle Position Circuit Range /
Performance Problem .....................................1A-54
DTC P0130 (No. 14): Heated Oxygen Sensor
(HO2S) Circuit Malfunction (Sensor-1) ...........1A-56
DTC P0133: Heated Oxygen Sensor (HO2S)
Circuit Slow Response (Sensor-1) ..................1A-58
DTC P0134: Heated Oxygen Sensor (HO2S)
Circuit No Activity Detected (Sensor-1)...........1A-59
DTC P0135 (No. 14): Heated Oxygen Sensor
(HO2S) Heater Circuit Malfunction (Sensor-
1) .....................................................................1A-60
DTC P0136: Heated Oxygen Sensor (HO2S)
Circuit Malfunction (Sensor-2).........................1A-62
DTC P0141: Heated Oxygen Sensor (HO2S)
Heater Circuit Malfunction (Sensor-2).............1A-64
DTC P0171 / P0172: Fuel System Too Lean /
Rich .................................................................1A-66
DTC P0300 / P0301 / P0302 / P0303 / P0304:
Random Misfire Detected (Misfire Detected
at 2 or More Cylinders) / Cylinder 1 / Cylinder
2 / Cylinder 3 / Cylinder 4 Misfire Detected.....1A-71
DTC P0325 (No. 17): Knock Sensor Circuit
Malfunction......................................................1A-76
DTC P0335 (No. 23): Crankshaft Position
(CKP) Sensor Circuit Malfunction ...................1A-78
DTC P0340 (No. 15): Camshaft Position
(CMP) Sensor Circuit Malfunction...................1A-81
DTC P0400: Exhaust Gas Recirculation Flow
Malfunction......................................................1A-84
Table of Contents 1- i
1
Chapters
Table of Contents
