Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 818

6E–1

3.2L ENGINE DRIVEABILITY AND EMISSIONS

ENGINE

3.2L ENGINE DRIVEABILITY AND EMISSIONS

CONTENTS

Specification

6E–4

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tightening Specifications

6E–4

. . . . . . . . . . . . . . .

Diagrams and Schematics

6E–5

. . . . . . . . . . . . . . . .

ECM Wiring Diagram (1 of 6)

6E–5

. . . . . . . . . . . .

ECM Wiring Diagram (2 of 6)

6E–6

. . . . . . . . . . . .

ECM Wiring Diagram (3 of 6)

6E–7

. . . . . . . . . . . .

ECM Wiring Diagram (4 of 6)

6E–8

. . . . . . . . . . . .

ECM Wiring Diagram (5 of 6)

6E–9

. . . . . . . . . . . .

ECM Wiring Diagram (6 of 6)

6E–10

. . . . . . . . . . . .

ECM Pinouts

6E–11

. . . . . . . . . . . . . . . . . . . . . . . . . . .

ECM Pinout Table, 40-Way Connector
– “A”

6E–11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ECM Pinout Table, 40-Way Connector
– “B”

6E–12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Component Locators

6E–13

. . . . . . . . . . . . . . . . . . .

Engine Component Locator Table

6E–14

. . . . . . . .

Undercarriage Component Locator

6E–15

. . . . . .

Undercarriage Component Locator Table

6E–15

.

Sensors and Miscellaneous Component
Locators

6E–16

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fuse and Relay Panel (Underhood Electrical
Center)

6E–18

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnosis

6E–19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Strategy-Based Diagnostics

6E–19

. . . . . . . . . . . . .

Strategy-Based Diagnostics

6E–19

. . . . . . . . . . . . .

DTC Stored

6E–19

. . . . . . . . . . . . . . . . . . . . . . . . . . .

No DTC

6E–19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

No Matching Symptom

6E–19

. . . . . . . . . . . . . . . . .

Intermittents

6E–19

. . . . . . . . . . . . . . . . . . . . . . . . . .

No Trouble Found

6E–19

. . . . . . . . . . . . . . . . . . . . .

Verifying Vehicle Repair

6E–19

. . . . . . . . . . . . . . . .

General Service Information

6E–20

. . . . . . . . . . . . . .

Maitenance Schedule

6E–20

. . . . . . . . . . . . . . . . . .

Visual/Physical Engine Compartment
Inspection

6E–20

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Basic Knowledge of Tools Required

6E–20

. . . . . .

Seral Data Communications

6E–21

. . . . . . . . . . . . . .

Class II Serial Data Communications

6E–21

. . . . .

On-Board Diagnostic (OBD)

6E–21

. . . . . . . . . . . . . .

On-Board Diagnostic Tests

6E–21

. . . . . . . . . . . . .

Comprehensive Component Monitor
Diagnostic Operation

6E–21

. . . . . . . . . . . . . . . . . .

System Status and Drive Cycle for
Satisfying Federal Inspection/Maintenance
(I/M 240) Regulations

6E–22

. . . . . . . . . . . . . . . . . .

Common OBD Terms

6E–22

. . . . . . . . . . . . . . . . . .

The Diagnostic Executive

6E–22

. . . . . . . . . . . . . . .

DTC Types

6E–23

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Verifying Vehicle Repair

6E–24

. . . . . . . . . . . . . . . .

Reading Flash Diagnostic Trouble Codes

6E–24

.

Reading Diagnostic Trouble Codes Using
a TECH 2

6E–25

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

On-Board Diagnosis (Self-Diagnosis)

6E–25

. . . .

Tech 2 Scan Tool

6E–27

. . . . . . . . . . . . . . . . . . . . . .

Getting Started

6E–28

. . . . . . . . . . . . . . . . . . . . . . . .

DTC Modes

6E–30

. . . . . . . . . . . . . . . . . . . . . . . . . . .

DTC Information Mode

6E–30

. . . . . . . . . . . . . . . . .

Primary System-Based Diagnostics

6E–30

. . . . . . . .

Primary System-Based Diagnostics

6E–30

. . . . . .

Fuel Control Heated Oxygen Sensors

6E–30

. . . .

HO2S Heater

6E–30

. . . . . . . . . . . . . . . . . . . . . . . . .

Fuel Trim System Monitor Diagnostic
Operation

6E–31

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

On-Board Diagnostic (OBD) System Check

6E–32

.

A/C Clutch Control Circuit Diagnosis

6E–34

. . . . . . .

Electronic Ignition System Diagnosis

6E–40

. . . . . . .

Visual Check of The Evaporative Emission
Canister

6E–40

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fuel Metering System Check

6E–40

. . . . . . . . . . . . .

Idle Air Control (IAC) Valve

6E–40

. . . . . . . . . . . . . . .

Fuel System Pressure Test

6E–40

. . . . . . . . . . . . . . .

Fuel Injector Coil Test Procedure and Fuel
Injector Balance Test Procedure

6E–40

. . . . . . . . . .

Engine Control Module ECM Diagnosis

6E–45

. . . .

Multiple ECM Information Sensor DTCS Set

6E–45

Tech 2 Data Definitions and Ranges

6E–48

. . . . . . .

Typical Scan Data Values

6E–49

. . . . . . . . . . . . . . . .

No Malfunction Indicator Lamp (MIL)

6E–53

. . . . . . .

Malfunction Indicator Lamp (MIL) “ON”
Steady

6E–56

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Cranks But Will Not Run

6E–59

. . . . . . . . . . .

Fuel System Electrical Test

6E–64

. . . . . . . . . . . . . . .

Fuel System Diagnosis

6E–67

. . . . . . . . . . . . . . . . . . .

Idle Air Control (IAC) System Check

6E–72

. . . . . . .

Barometric Pressure (BARO) Output Check

6E–75

ECM Diagnostic Trouble Codes

6E–77

. . . . . . . . . . .

Diagnostic Trouble Code (DTC) P0101 (Flash
DTC=61) MAF System Performance

6E–79

. . . . . .

Diagnostic Trouble Code (DTC) P0102 (Flash
DTC=61) MAF Sensor Circuit Low
Frequency

6E–82

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Trouble Code (DTC) P0103 (Flash
DTC=61) MAF Sensor Circuit High
Frequency

6E–85

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INDEX

6E–2

3.2L ENGINE DRIVEABILITY AND EMISSIONS

Diagnostic Trouble Code (DTC) P0107 (Flash
DTC=33) BARO Sensor Circuit Low Voltage

6E–87

Diagnostic Trouble Code (DTC) P0108 (Flash
DTC=33) BARO Sensor Circuit Hight Voltage

6E–90

Diagnostic Trouble Code (DTC) P0112 (Flash
DTC=23) IAT Sensor Circuit Low Voltage

6E–93

. .

Diagnostic Trouble Code (DTC) P0113 (Flash
DTC=23) IAT Sensor Circuit High Voltage

6E–96

. .

Diagnostic Trouble Code (DTC) P0117 (Flash
DTC=14) ECT Sensor Circuit Low Voltage

6E–99

.

Diagnostic Trouble Code (DTC) P0118 (Flash
DTC=14) ECT Sensor Circuit High Voltage

6E–101

.

Diagnostic Trouble Code (DTC) P0121 (Flash
DTC=21) TP System Performance

6E–104

. . . . . . . .

Diagnostic Trouble Code (DTC) P0122 (Flash
DTC=21) TP Sensor Circuit Low Voltage

6E–107

. . .

Diagnostic Trouble Code (DTC) P0123 (Flash
DTC=21) TP Sensor Circuit High Voltage

6E–110

. .

Diagnostic Trouble Code (DTC) P0131 (Flash
DTC=15) HO2S Circuit Low Voltage

6E–113

. . . . . . .

Diagnostic Trouble Code (DTC) P0132 (Flash
DTC) HO2S Circuit High Voltage

6E–116

. . . . . . . . . .

Diagnostic Trouble Code (DTC) P0134 (Flash
DTC=15) HO2S Circuit Insufficient Activity

6E–119

.

Diagnostic Trouble Code (DTC) P0171 (Flash
DTC=44) Fuel Trim System Too Lean

6E–122

. . . . .

Diagnostic Trouble Code (DTC) P0172 (Flash
DTC=45) Fuel Trim System Rich

6E–126

. . . . . . . . . .

Diagnostic Trouble Code (DTC) P0201 (Flash
DTC=31) Injector 1 Control Circuit

6E–130

. . . . . . . .

Diagnostic Trouble Code (DTC) P0202 (Flash
DTC=31) Injector 2 Control Circuit

6E–133

. . . . . . . .

Diagnostic Trouble Code (DTC) P0203 Injector
3 Control Circuit

6E–136

. . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Trouble Code (DTC) P0204 (Flash
DTC=31) Injector 4 Control Circuit

6E–139

. . . . . . . .

Diagnostic Trouble Code (DTC) P0205 (Flash
DTC=31) Injector 5 Control Circuit

6E–142

. . . . . . . .

Diagnostic Trouble Code (DTC) P0206 (Flash
DTC=31) Injector 6 Control Circuit

6E–145

. . . . . . . .

Diagnostic Trouble Code (DTC) P0336 (Flash
DTC=29) CKP Reference Signal Circuit

6E–148

. . .

Diagnostic Trouble Code (DTC) P0337 (Flash
DTC=29) CKP Sensor Circuit Low
Frequency

6E–150

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Trouble Code (DTC) P0341 (Flash
DTC=41) CMP Sensor Circuit Performamce

6E–152

Diagnostic Trouble Code (DTC) P0342 (Flash
DTC=41) CMP Sensor Circuit Low

6E–155

. . . . . . . .

Diagnostic Trouble Code (DTC) P0351 Ignition
1 Control Circuit

6E–159

. . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Trouble Code (DTC) P0352 (Flash
DTC=42) Ignition 2 Control Circuit

6E–162

. . . . . . . .

Diagnostic Trouble Code (DTC) P0353 (Flash
DTC=42) Ignition 3 Control Circuit

6E–165

. . . . . . . .

Diagnostic Trouble Code (DTC) P0354 (Flash
DTC=42) Ignition 4 Control Circuit

6E–168

. . . . . . . .

Diagnostic Trouble Code (DTC) P0355 (Flash
DTC=42) Ignition 5 Control Circuit

6E–171

. . . . . . . .

Diagnostic Trouble Code (DTC) P0356 (Flash
DTC=42) Ignition 6 Control Circuit

6E–174

. . . . . . . .

Diagnostic Trouble Code (DTC) P0502 (Flash
DTC=24) VSS No Signal

6E–177

. . . . . . . . . . . . . . . .

Diagnostic Trouble Code (DTC) P0562 (Flash
DTC=66) System Voltage Low

6E–180

. . . . . . . . . . . .

Diagnostic Trouble Code (DTC) P0563 (Flash
DTC=66) System Voltage High

6E–181

. . . . . . . . . . .

Diagnostic Trouble Code (DTC) P0601 (Flash
DTC=51) ECM Memory

6E–182

. . . . . . . . . . . . . . . . .

Diagnostic Trouble Code (DTC) P1171 (Flash
DTC=44) Fuel System Lean Dueing
Acceleration

6E–183

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Trouble Code (DTC) P1508 (Flash
DTC=22) IAC System Low RPM

6E–186

. . . . . . . . . .

Diagnostic Trouble Code (DTC) P1509 (Flash
DTC=22) IAC System High RPM

6E–189

. . . . . . . . .

Symptom Diagnosis

6E–192

. . . . . . . . . . . . . . . . . . . . .

Default Matrix Table

6E–215

. . . . . . . . . . . . . . . . . . . . .

Camshaft Position (CMP) Sensor

6E–218

. . . . . . . . . .

Crankshaft Position (CKP) Sensor

6E–219

. . . . . . . . .

Engine Coolant Temperature (ECT) Sensor

6E–219

.

Heated Oxygen Sensor (HO2S)

6E–220

. . . . . . . . . . .

Intake Air Temperature (IAT) Sensor

6E–222

. . . . . . .

Mass Air Flow (MAF) Sensor

6E–222

. . . . . . . . . . . . .

Barometric Pressure (BARO) Sensor

6E–223

. . . . . .

Malfunction Indicator Lamp (MIL)

6E–223

. . . . . . . . . .

Engine Control Module (ECM)

6E–223

. . . . . . . . . . . .

EEPROM

6E–224

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Steering Pressure (PSP) Switch

6E–224

. . . .

Throttle Position (TP) Sensor

6E–225

. . . . . . . . . . . . .

Vehicle Speed Sensor (VSS)

6E–226

. . . . . . . . . . . . .

Air Cleaner/Air Filter

6E–227

. . . . . . . . . . . . . . . . . . . . .

Idle Air Control (IAC) Valve

6E–228

. . . . . . . . . . . . . . .

Common Chamber

6E–229

. . . . . . . . . . . . . . . . . . . . . .

Accelerator Cable Assembly

6E–229

. . . . . . . . . . . . . .

Accelerator Pedal Replacement

6E–231

. . . . . . . . . . .

Fuel Fillter Cap

6E–233

. . . . . . . . . . . . . . . . . . . . . . . . .

Fuel Filter

6E–233

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fuel Gauge Unit

6E–235

. . . . . . . . . . . . . . . . . . . . . . . .

Fuel Injectors

6E–235

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Fuel Pressure Regulator

6E–236

. . . . . . . . . . . . . . . . .

Fuel Metering System

6E–238

. . . . . . . . . . . . . . . . . . . .

Fuel Pump Assembly

6E–238

. . . . . . . . . . . . . . . . . . . .

Fuel Pump Relay

6E–238

. . . . . . . . . . . . . . . . . . . . . . . .

Fuel Rail Assembly

6E–239

. . . . . . . . . . . . . . . . . . . . . .

Fuel Tank

6E–240

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Throttle Body (TB)

6E–240

. . . . . . . . . . . . . . . . . . . . . . .

Electronic Ignition System

6E–241

. . . . . . . . . . . . . . . .

Catalytic Converter

6E–242

. . . . . . . . . . . . . . . . . . . . . .

Air Conditioning Relay

6E–242

. . . . . . . . . . . . . . . . . . .

6E–3

3.2L ENGINE DRIVEABILITY AND EMISSIONS

EVAP Canister Hoses

6E–242

. . . . . . . . . . . . . . . . . . . .

EVAP Canister

6E–242

. . . . . . . . . . . . . . . . . . . . . . . . . .

EVAP Canister Purge Solenoid

6E–243

. . . . . . . . . . . .

Fuel Tank Vent Valve

6E–244

. . . . . . . . . . . . . . . . . . . .

Positive Crankcase Ventilation (PCV) Valve

6E–244

.

Wiring and Connectors

6E–244

. . . . . . . . . . . . . . . . . . .

Wire Harness Repair: Twisted Shielded Cable

6E–245

Twisted Leads

6E–245

. . . . . . . . . . . . . . . . . . . . . . . . . .

Weather-Pack Connector

6E–247

. . . . . . . . . . . . . . . . .

Com-Pack III

6E–248

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Metri-Pack

6E–248

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Description (ECM and Sensors)

6E–250

. . .

General Description (Air Induction)

6E–255

. . . . . . . .

General Description (Fuel Metering)

6E–255

. . . . . . .

General Description (Electronic Ignition
System)

6E–258

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A/C Clutch Diagnosis

6E–261

. . . . . . . . . . . . . . . . . . . .

General Description (Evaporative (EVAP)
Emission System)

6E–262

. . . . . . . . . . . . . . . . . . . . . .

Diagnosis

6E–263

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Special Tools

6E–265

. . . . . . . . . . . . . . . . . . . . . . . . . . .

6E–4

3.2L ENGINE DRIVEABILITY AND EMISSIONS

Specification

Tightening Specifications

Application

N·m

Kg·m

Lb Ft.

Lb In.

Camshaft Position Sensor Retaining Screw

9

0.9

—

78

Crankshaft Position Sensor Mounting Bolt

9

0.9

—

78

Engine Coolant Temperature Sensor

30

3.1

22

—

Fuel Pressure Regulator Attaching Screw

6.5

0.7

—

56

Fuel Rail Bolts

7

0.7

—

61

Heated Oxygen Sensor

55

5.6

41

—

Lower Intake Manifold to Engine Block Nuts

25

2.6

18

—

Spark Plugs

18

1.8

13

—

Throttle Body Mounting Bolts

13

1.3

—

113

Upper Intake Manifold to Lower Intake Manifold
Bolts

25

2.5

18

—

VSS Retaining Bolt

13

1.3

—

113

Engine Control Module Bolts

10

1.0

—

87

Mass Air Flow Sensor Screw

1.5

0.15

—

13