Opel Frontera UBS. Manual - part 2045

 

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Opel Frontera UBS. Manual - part 2045

 

 

5A–60

BRAKE CONTROL SYSTEM

Chart C-2 Transmission Input Inspection Procedure

Step

Action

Yes

No

1

1. Turn the key off.
2. Disconnect EHCU connector.

Is there continuity between EHCU connector terminals 6 and 15
(Gear position-P(A/T), N(M/T))?

Shorted switch

harness.

Repair switch or

harness.

Go to Step 6

Go to Step 2

2

Is the vehicle an A/T model?

Go to Step 3

Go to Step 5

3

Turn the key on and measure voltage between EHCU connector
terminals 6 and 15.

Is there less than 6V when the gear position is L, and R(Battery
voltage 12V)?

Go to Step 5

Transmission SW

trouble.

Disconnected

harness.

Repair SW and

harness.

Go to Step 6

4

Turn the key on and measure the voltage between EHCU
connector terminal 6 and 15.

Is there more than 9.6V when the gear position is 1, 2, R(Battery
voltage 12V)?

Go to Step 5

Transmission SW

trouble.

Disconnected

harness.

Repair SW and

harness.

Go to Step 6

5

Measure the voltage between EHCU connector terminals 6 and
15.

Is there 6.6 to 9.0V when the gear position is 3, 4, 5 and N(M/T) or
2,3,D,N and P(A/T)(Battery voltage 12V)?

Go to Step 6

Transmission SW

trouble.

Disconnected

harness.

Repair SW and

harness.

Go to Step 6

6

1. Reconnect all components and ensure all components are

properly mounted.

2. Clear diagnostic trouble code.

Was this step finished?

Repeat the “Basic

diagnostic flow

chart.”

Go to Step 6

5A–61

BRAKE CONTROL SYSTEM

Chart TC-2 Transmission Input Inspection Procedure (Use TECH 2)

Step

Action

Yes

No

1

1. Connect TECH 2.
2. Select Data List.

Is this vehicle an A/T model ?

Go to Step 2

Go to Step 4

2

Is “Off-Road Switch(Transmission Input): Active” when the shift
lever is the L and R?

Go to Step 3

Go to Step 6

3

Is “Off-Road Switch(Transmission Input): Inactive” when the shift
lever is other than the L and R?

Go to Step 7

Go to Step 6

4

Is “Off-Road Switch(Transmission Input): Active” when the shift
lever is in 1, 2 and R?

Go to Step 5

Go to Step 6

5

Is “Off-Road Switch(Transmission Input): Inactive” when the shift
lever is other than the 1, 2 and R?

Go to Step 7

Go to Step 6

6

1. Abnormal T/M SW, inhibitor SW, or harness.
2. Repair T/M SW, inhibitor SW, or harness.

Is the T/M SW, inhibitor SW, or harness repaired?

Go to Step 7

Go to Step 6

7

Reconnect all components, ensure all components are properly
mounted.

Was this step finished?

Repeat the “Basic

diagnostic flow

chart.”

Go to Step 7

5A–62

BRAKE CONTROL SYSTEM

Special Tools

ILLUSTRATION

TOOL NO.

TOOL NAME

5–8840–0385–0

(J–35616)

Connector test adapter

kit

5–8840–0366–0

(J–39200)

High impedance

multimeter

(1) PCMCIA Card

(2) SAE 16/19 Adapter

(3) DLC Cable

(4) Tech–2

5B–1

ANTI–LOCK BRAKE SYSTEM

BRAKES

ANTI-LOCK BRAKE SYSTEM

CONTENTS

Service Precaution

5B–1

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

Electronic Hydraulic Control Unit

5B–2

. . . . . . . . . . 

Electronic Hydraulic Control Unit and
 Associated Parts

5B–2

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

Removal

5B–2

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

Installation

5B–2

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

G-Sensor

5B–3

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

Removal

5B–3

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

Inspection and Repair

5B–3

. . . . . . . . . . . . . . . . . . 

Installation

5B–3

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

Front Wheel Speed Sensor

5B–4

. . . . . . . . . . . . . . . 

Front Wheel Speed Sensor and
 Associated Parts

5B–4

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

Removal

5B–4

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

Inspection and Repair

5B–5

. . . . . . . . . . . . . . . . . . 

Installation

5B–5

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

Rear Wheel Speed Sensor

5B–6

. . . . . . . . . . . . . . . 

Rear Wheel Speed Sensor and
 Associated Parts

5B–6

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

Removal

5B–6

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

Inspection and Repair

5B–6

. . . . . . . . . . . . . . . . . . 

Installation

5B–6

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

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.

CAUTION: Replace all components included in
repair kits used to service this system. Lubricate
rubber parts with clean, fresh brake fluid to ease
assembly. Do not use shop air with in–line
lubricators on brake parts, as damage to rubber
components may result. If any hydraulic component
is removed or brake line disconnected, it may be
necessary to bleed part or all of the brake system.

NOTE: The use of rubber hoses or parts other than those
furnished specifically for the Anti–lock Brake System may
lead to functional problems requiring major overhaul.

SECTION

 

 

 

 

 

 

 

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