1998 OPEL FRONTERA Workshop Manual

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Page 4345 of 6000

OPEL FRONTERA 1998 Workshop Manual 4D2–38
TRANSFER CASE (TOD)
5. Install the lock-up sleeve together with the lock-up
fork to the output shaft and lock-up shaft assembly.
6. Install the spring retainers to the lock-up fork.
26

Page 4346 of 6000

OPEL FRONTERA 1998 Workshop Manual 4D2–39 TRANSFER CASE (TOD)
Clutch Pack and Clutch Cam
Disassembled View
266RW006
Legend
(1) Clutch Pack Assembly
(2) Insulator Washer
(3) Armature Plate
(4) Snap Ring(5) Wave Spring
(6) Cam Pulley
(

Page 4347 of 6000

OPEL FRONTERA 1998 Workshop Manual 4D2–40
TRANSFER CASE (TOD)
4. Using snap ring pliers, install the snap ring.
266RW009
5. Install the wave spring.
6. Install the cam pulley.
7. Place a ball on each groove of the cam pulley.
266RW01

Page 4348 of 6000

OPEL FRONTERA 1998 Workshop Manual 4D2–41 TRANSFER CASE (TOD)
Main Data and Specifications
Leading Particulars
Ty p eTransfer case with low range reduction mechanism
2H Rear wheel drive
TOD Electronically controlled torque split four

Page 4349 of 6000

OPEL FRONTERA 1998 Workshop Manual 4D2–42
TRANSFER CASE (TOD)
E04RW013

Page 4350 of 6000

OPEL FRONTERA 1998 Workshop Manual 4D2–43 TRANSFER CASE (TOD)
Special Tools
ILLUSTRATIONTOOL NO.
TOOL NAME
5–8840–0133–0
(J–8614–11)
Flange Holder
5–8840–2412–0
(J–42804)
Rear Oil Seal Installer
5–8840–2293–0

Page 4351 of 6000

OPEL FRONTERA 1998 Workshop Manual 5A–1 BRAKE CONTROL SYSTEM
BRAKES
CONTENTS
Brake Control System 5A. . . . . . . . . . . . . . . . . . . .
Anti–lock Brake System 5B. . . . . . . . . . . . . . . . . . Power–Assisted Brake System

5A–1 BRAKE CONTROL SYSTEM
BRAKES
CONTENTS
Brake Control System 5A. . . . . . . . . . . . . . . . . . . .
Anti–lock Brake System 5B. . . . . . . . . . . . . . . . . . Power–Assisted Brake System 5C. . . . . . . . . . . .
Parking Brakes 5D. . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE CONTROL SYSTEM
CONTENTS
Service Precaution 5A–2. . . . . . . . . . . . . . . . . . . . . .
General Description 5A–3. . . . . . . . . . . . . . . . . . . . .
System Components 5A–3. . . . . . . . . . . . . . . . . . .
Electronic Hydraulic Control Unit (EHCU) 5A–3.
ABS Warning Light 5A–4. . . . . . . . . . . . . . . . . . . .
Wheel Speed Sensor 5A–4. . . . . . . . . . . . . . . . . .
G-Sensor 5A–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal and Anti-lock Braking 5A–4. . . . . . . . . . .
Brake Pedal Travel 5A–4. . . . . . . . . . . . . . . . . . . .
Acronyms and Abbreviations 5A–4. . . . . . . . . . . .
General Diagnosis 5A–5. . . . . . . . . . . . . . . . . . . . . . .
General Information 5A–5. . . . . . . . . . . . . . . . . . . .
ABS Service Precautions 5A–5. . . . . . . . . . . . . . .
Computer System Service Precautions 5A–5. . .
General Service Precautions 5A–5. . . . . . . . . . . .
Note on Intermittents 5A–5. . . . . . . . . . . . . . . . . . .
Test Driving ABS Complaint Vehicles 5A–6. . . . .
“ABS” Warning Light 5A–6. . . . . . . . . . . . . . . . . . .
Normal Operation 5A–6. . . . . . . . . . . . . . . . . . . . .
Basic Diagnostic Flow Chart 5A–6. . . . . . . . . . . .
Basic Inspection Procedure 5A–7. . . . . . . . . . . . .
Tech 2 Scan Tool 5A–8. . . . . . . . . . . . . . . . . . . . . .
Getting Started 5A–9. . . . . . . . . . . . . . . . . . . . . . . .
Operating Procedure 5A–10. . . . . . . . . . . . . . . . . . .
Data List 5A–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EHCU Connector Pin-out Checks 5A–12. . . . . . . .
Circuit Diagram (LHD model / 6VD1 and
4JG2) 5A–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Diagram (LHD model / 4JG2) 5A–14. . . . .
Circuit Diagram (LHD model / 4JG2) 5A–15. . . . .
Circuit Diagram (LHD model / 6VD1) 5A–16. . . . .
Circuit Diagram (LHD model / 6VD1) 5A–17. . . . .
Connector List (LHD model) 5A–18. . . . . . . . . . . .
Part Location (LHD model) 5A–20. . . . . . . . . . . . . .
Circuit Diagram (RHD model / 6VD1 and
4JG2) 5A–21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Diagram (RHD model / 4JG2) 5A–22. . . . .
Circuit Diagram (RHD model / 4JG2) 5A–23. . . . .
Circuit Diagram (RHD model / 6VD1) 5A–24. . . . .
Circuit Diagram (RHD model / 6VD1) 5A–25. . . . .
Circuit Diagram (RHD model / 6VE1 and
4JX1) 5A–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Circuit Diagram (RHD model / 4JX1) 5A–27. . . . .
Circuit Diagram (RHD model / 4JX1) 5A–28. . . . .
Circuit Diagram (RHD model / 6VE1) 5A–29. . . . .
Circuit Diagram (RHD model / 6VE1) 5A–30. . . . .
Connector List (RHD model) 5A–31. . . . . . . . . . . .
Part Location (RHD model) 5A–34. . . . . . . . . . . . .
Symptom Diagnosis 5A–35. . . . . . . . . . . . . . . . . . . . .
Chart A–1 ABS Works Frequently But
Vehicle Does Not Decelerate 5A–35. . . . . . . . . . .
Chart TA-1 ABS Works Frequently But
Vehicle Does Not Decelerate (Use
TECH 2) 5A–36. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart A-2 Uneven Braking Occurs While
ABS Works 5A–36. . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart A-3, TA-3 The Wheels Are Locked 5A–36.
Chart A-4 Brake Pedal Feed Is Abnormal 5A–37.
Chart A-5, TA-5 Braking Sound (From
EHCU) Is Heard While Not Braking 5A–38. . . . . .
Diagnostic Trouble Codes 5A–39. . . . . . . . . . . . . . . .
Diagnosis By “ABS” Warning Light
Illumination Pattern 5A–40. . . . . . . . . . . . . . . . . . . . .
Diagnostic Trouble Codes (DTCs) 5A–40. . . . . . .
Chart B-1 With the key in the ON position
(Before starting the engine). Warning light
(W/L) is not activated. 5A–43. . . . . . . . . . . . . . . . .
Chart B-2 EHCU Abnormality (DTC 14) 5A–43. . .
Chart B-3 Power Voltage Drop (DTC 15) 5A–44. .
Chart B-4 CLASS-2 Communication Line
Abnormality (DTC 16) 5A–44. . . . . . . . . . . . . . . . .
Chart B-5 G-Sensor Circuit (DTC 21) 5A–45. . . . .
Chart B-6 Abnormal Transmission Input
(DTC 23) 5A–46. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-7 Transfer Monitor (DTC 24) 5A–47. . . . .
Chart B-8 EHCU Pump Motor And Motor
Relay Circuit (DTC 32) 5A–47. . . . . . . . . . . . . . . . .
Chart B-9 EHCU Pump Valve And Valve
Relay Circuit (DTC 35) 5A–47. . . . . . . . . . . . . . . . .
Chart B-10 FL Isolation Solenoid Valve
Abnormality (DTC 41) 5A–48. . . . . . . . . . . . . . . . .
Chart B-11 FL Dump Solenoid Valve
Abnormality (DTC 42) 5A–48. . . . . . . . . . . . . . . . .
Chart B-12 FR Isolation Solenoid Valve
Abnormality (DTC 43) 5A–48. . . . . . . . . . . . . . . . .
Chart B-13 FR Dump Solenoid Valve
Abnormality (DTC 44) 5A–49. . . . . . . . . . . . . . . . .
Chart B-14 Rear Isolation Solenoid Valve
Abnormality (DTC 45) 5A–49. . . . . . . . . . . . . . . . .
Chart B-15 Rear Dump Solenoid Valve
Abnormality (DTC 46) 5A–49. . . . . . . . . . . . . . . . .

Page 4352 of 6000

OPEL FRONTERA 1998 Workshop Manual 5A–2
BRAKE CONTROL SYSTEM
Chart B-16 FL Speed Sensor Disconnection
(DTC 51) 5A–50. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-17 FR Speed Sensor Disconnection
(DTC 52) 5A–5

5A–2
BRAKE CONTROL SYSTEM
Chart B-16 FL Speed Sensor Disconnection
(DTC 51) 5A–50. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-17 FR Speed Sensor Disconnection
(DTC 52) 5A–50. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-18 RL Speed Sensor Disconnection
(DTC 53) 5A–51. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-19 RR Speed Sensor Disconnection
(DTC 54) 5A–51. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-20 FL Speed Sensor Short Circuit
(DTC 61) 5A–52. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-21 FR Speed Sensor Short Circuit
(DTC 62) 5A–53. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-22 RL Speed Sensor Short Circuit
(DTC 63) 5A–54. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-23 RR Speed Sensor Short Circuit
(DTC 64) 5A–55. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart B-24 Sensor Signal Input Abnormality
(DTC 65) 5A–56. . . . . . . . . . . . . . . . . . . . . . . . . . . . Sensor Signal Abnormality Criteria using
TECH 2 5A–56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Inspection Procedure 5A–57. . . . . . . . . . . . . . . .
Chart C-1-1 FL Sensor Output Inspection
Procedure 5A–57. . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart C-1-2 FR Sensor Output Inspection
Procedure 5A–58. . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart C-1-3 RL Sensor Output Inspection
Procedure 5A–58. . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart C-1-4 RR Sensor Output Inspection
Procedure 5A–59. . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart TC-1 Sensor Output Inspection
Procedure (Use TECH 2) 5A–59. . . . . . . . . . . . . .
Chart C-2 Transmission Input Inspection
Procedure 5A–60. . . . . . . . . . . . . . . . . . . . . . . . . . .
Chart TC-2 Transmission Input Inspection
Procedure (Use TECH 2) 5A–61. . . . . . . . . . . . . .
Special Tools 5A–62. . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Precaution
WARNING: IF SO EQUIPPED WITH 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.

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