Isuzu Rodeo UE. Service manual - part 94

TRANSFER CASE

4D–39

E07RX005

4D–40

TRANSFER CASE

Special Tools

ILLUSTRATION

PART NO.

PART NAME

J–22912–01

Bearing

remover/installer

J–38592

Transfer case oil seal

installer

J–37219

Mainshaft nut wrench

J–37223

Rear output shaft and

bearing installer

J–39209

Punch; end nut

J–38594

Front output shaft oil

seal installer

ILLUSTRATION

PART NO.

PART NAME

J–39208

Rear oil seal installer

J–37486–A

Bearing installer adapter

J–8614–11

Flange holder

J–37217

Mainshaft end bearing

remover

J–37487

Puller

J–8092

Driver handle

5A–1

BRAKE CONTROL SYSTEM

RODEO

BRAKES

CONTENTS

Brake Control System

5A–1

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

Anti–lock Brake System

5B–1

. . . . . . . . . . . . . . . . . . 

Power–assisted Brake System

5C–1

. . . . . . . . . . . . 

Parking Brakes (4x4 Model)

5D1–1

. . . . . . . . . . . . . . 

Parking Brakes (4x2 Model)

5D2–1

. . . . . . . . . . . . . . 

Brake Control System

CONTENTS

Service Precaution

5A–2

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

General Description

5A–3

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

Functional Description

5A–4

. . . . . . . . . . . . . . . . . 

System Components

5A–10

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

Electronic Hydraulic Control Unit (EHCU)

5A–10

. 

ABS Warning Light

5A–10

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

Wheel Speed Sensor

5A–10

. . . . . . . . . . . . . . . . . . 

G-Sensor

5A–10

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

Normal and Anti-lock Braking

5A–10

. . . . . . . . . . . 

Brake Pedal Travel

5A–10

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

Acronyms and Abbreviations

5A–10

. . . . . . . . . . . . 

General Diagnosis

5A–11

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

General Information

5A–11

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

ABS Service Precautions

5A–11

. . . . . . . . . . . . . . . 

Computer System Service Precautions

5A–11

. . . 

General Service Precautions

5A–11

. . . . . . . . . . . . 

Note on Intermittents

5A–11

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

Test Driving ABS Complaint Vehicles

5A–12

. . . . . 

“ABS” Warning Light

5A–12

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

Normal Operation

5A–12

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

Tech 2 Scan Tool

5A–13

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

DATA LIST

5A–16

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

ACTUATOR TEST

5A–17

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

Tech 2 Service Bleed

5A–21

. . . . . . . . . . . . . . . . . . 

Basic Diagnostic Flow Chart

5A–22

. . . . . . . . . . . . 

Basic Inspection Procedure

5A–23

. . . . . . . . . . . . . 

EHCU Connector Pin-out Checks

5A–24

. . . . . . . . . 

Circuit Diagram

5A–25

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

Connector List

5A–28

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

Part Location

5A–29

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

Symptom Diagnosis

5A–30

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

Chart A-1 ABS Works Frequently But
 Vehicle Does Not Decelerate

5A–30

. . . . . . . . . . . 

Chart TA-1 ABS Works Frequently But
 Vehicle Does Not Decelerate
 (Use TECH 2)

5A–31

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

Chart A-2 Uneven Braking Occurs While
 ABS Works

5A–31

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

Chart TA-2 Uneven Braking Occurs While
 ABS Works (Use TECH 2)

5A–31

. . . . . . . . . . . . . 

Chart A-3, TA-3  The Wheels Are Locked

5A–32

. 

Chart A-4 Brake Pedal Feed Is Abnormal

5A–33

. 

Chart A-5, TA-5 Braking Sound
 (From EHCU) Is Heard While Not Braking

5A–34

Diagnostic Trouble Codes

5A–35

. . . . . . . . . . . . . . . . 

Diagnosis By “ABS” Warning Light
 Illumination Pattern

5A–37

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

Diagnostic Trouble Codes (DTCs)

5A–38

. . . . . . . 

Chart B-1 With the key in the ON position
 (Before starting the engine).  Warning
 light (W/L) is not activated.

5A–40

. . . . . . . . . . . . . 

Chart B-2 CPU Error (DTC 14 (Flash out) /
 C0271, C0272, C0273, C0284 (Serial
 communications))

5A–41

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

Chart B-3 Low or High Ignition Voltage
 (DTC 15 (Flash out) / C0277, 0278
 (Serial communications))

5A–41

. . . . . . . . . . . . . . . 

Chart B-4 Excessive Dump Time
 (DTC 17 (Flash out) / C0269
 (Serial communications))

5A–41

. . . . . . . . . . . . . . . 

Chart B-5 Excessive Isolation Time
 (DTC 18 (Flash out) / C0274
 (Serial communications))

5A–42

. . . . . . . . . . . . . . . 

Chart B-6 G-Sensor Output Failure
 (DTC 21 (Flash out) / C0276
 (Serial communications))

5A–42

. . . . . . . . . . . . . . . 

Chart B-7 Brake Switch Failure
 (DTC 22 (Flash out) / C0281
 (Serial communications))

5A–42

. . . . . . . . . . . . . . . 

Chart B-8 2WD Controller in 4WD Vehicle
 Controller (DTC 13 (Flash out) / C0285
 (Serial communications)), 4WD State Input
 Signal Failure (DTC 24 (Flash out) / C0282
 (Serial communications))

5A–43

. . . . . . . . . . . . . . . 

Chart B-9 Pump Motor Failure (DTC 32
 (Flash out) / C0267, C0268
 (Serial communications))

5A–43

. . . . . . . . . . . . . . . 

Chart B-10 EHCU Valve Relay Failure
 (DTC 35 (Flash out) / C0265, C0266
 (Serial communications))

5A–44

. . . . . . . . . . . . . . . 

Chart B-11 FL Isolation Solenoid Coil Failure
 (DTC 41 (Flash out) / C0245, C0247
 (Serial communications))

5A–44

. . . . . . . . . . . . . . . 

Chart B-12 FL Dump Solenoid Coil Failure
 (DTC 42 (Flash out) / C0246, C0248
 (Serial communications))

5A–44

. . . . . . . . . . . . . . . 

5A–2

BRAKE CONTROL SYSTEM

Chart B-13 FR Isolation Solenoid Coil Failure
 (DTC 43 (Flash out) / C0241, C0243
 (Serial communications))

5A–45

. . . . . . . . . . . . . . . 

Chart B-14 FR Dump Solenoid Coil Failure
 (DTC 44(Flash out) / C0242, C0244
 (Serial communications))

5A–45

. . . . . . . . . . . . . . . 

Chart B-15 Rear Isolation Solenoid Coil
 Failure (DTC 45 (Flash out) / C0251,
 C0253 (Serial communications))

5A–45

. . . . . . . . 

Chart B-16 Rear Dump Solenoid Coil
 Failure (DTC 46 (Flash out) / C0252,
 C0254 (Serial communications))

5A–46

. . . . . . . . 

Chart B-17 FL Speed Sensor Open or
 Shorted (DTC 51 (Flash out) / C0225
 (Serial communications))

5A–46

. . . . . . . . . . . . . . . 

Chart B-18 FR Speed Sensor Open or
 Shorted (DTC 52 (Flash out) / C0221
 (Serial communications))

5A–47

. . . . . . . . . . . . . . . 

Chart B-19 Rear Speed Sensor Open or
 Shorted (DTC 53 (Flash out) / C0235
 (Serial communications))

5A–48

. . . . . . . . . . . . . . . 

Chart B-20 FL Speed Sensor Missing
 (DTC 61 (Flash out) / C0226, C0227
 (Serial communications))

5A–49

. . . . . . . . . . . . . . . 

Chart B-21 FR Speed Sensor Missing
 (DTC 62 (Flash out) / C0222, C0223
 (Serial communications))

5A–50

. . . . . . . . . . . . . . . 

Chart B-22 Rear Speed Sensor Missing
 (DTC 63 (Flash out) / C0236, C0237
 (Serial communications))

5A–51

. . . . . . . . . . . . . . . 

Chart B-23 Simultaneous Drop-out of
 Front Speed Sensor Signal (DTC 64 (Flash
 out) / C0229 (Serial communications))

5A–52

. . . 

Chart B-24 Wheel Speed Input Abnormality
 (DTC 65 (Flash out) / C0238 (Serial
 communications))

5A–53

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

Unit Inspection Procedure

5A–54

. . . . . . . . . . . . . . . . 

Chart C-1-1 FL Sensor Output Inspection
 Procedure

5A–54

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

Chart C-1-2 FR Sensor Output Inspection
 Procedure

5A–55

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

Chart C-1-3 Rear Sensor Output Inspection
 Procedure

5A–55

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

Chart TC-1 Sensor Output Inspection
 Procedure

5A–56

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

Special Tools

5A–57

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

Service Precaution

WARNING: THIS VEHICLE HAS A SUPPLEMENTAL
RESTRAINT SYSTEM (SRS). REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW IN
ORDER TO DETERMINE WHETHER YOU ARE
PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING. WHEN YOU
ARE PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING, REFER TO
THE SRS SERVICE INFORMATION. FAILURE TO
FOLLOW WARNINGS COULD RESULT IN POSSIBLE
AIR BAG DEPLOYMENT, PERSONAL INJURY, OR
OTHERWISE UNNEEDED SRS SYSTEM REPAIRS.

CAUTION: Always use the correct fastener in the
proper location. When you replace a fastener, use
ONLY the exact part number for that application.
ISUZU will call out those fasteners that require a
replacement after removal. ISUZU will also call out
the fasteners that require thread lockers or thread
sealant. UNLESS OTHERWISE SPECIFIED, do not
use supplemental coatings (Paints, greases, or other
corrosion inhibitors) on threaded fasteners or
fastener joint interfaces. Generally, such coatings
adversely affect the fastener torque and the joint
clamping force, and may damage the fastener. When
you install fasteners, use the correct tightening
sequence and specifications. Following these
instructions can help you avoid damage to parts and
systems.