Opel Frontera UBS. Manual - part 55

 

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Opel Frontera UBS. Manual - part 55

 

 

AIR CONDITIONING  1B–117

Chart D: Fan Does Not Stop

NO

Replace the power transistor.

NO

Replace the relay.

YES

NO

YES

Turn on the ignition switch (the engine is

started).

YES

Is the power transistor performance
normal? (Refer to the later section on
"Check Up".)

Is the MAX HI relay performance
normal? (Refer to the later section on
"Check Up".)

Is the battery voltage present between
the chassis harness side connector
terminals No.1 

and No.3 

?

I-51

I-51

The chassis harness side connector
terminals No.1 

and No.2 

, or

No.1 

and No.1 

is short

circuited.

I-50

B-5

I-51

B-5

Failure on the automatic heater/air
conditioner control unit. Or, the harness
line is short circuited between the chassis
harness side connector terminals No.3

and No.12 

.

I-32

I-51

1B–118 AIR CONDITIONING

Inspection of the Magnet Clutch System

6VE1 Engine

I-32

C-1

C-3

I-33

E-3

E-19

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

1

11

2

12

3

13

4

14

5

15

6

16

7

17

8

18

9

19

10

20

B-19

C-25

A

2

B-36

1

H-14

C-19
25A
BLOWER
MOTOR

C-20
10A
A/C

FL-1
80A
MAIN

Heater
Relay

1

B-36

10

H-13

0.3

B

0.85
W/G

0.85
W/R

3.0

W

3.0

L/R

0.5
BR

1.25

B

B-19

BODY-LH

3

B-36

4

B-36

BATT.(+)

Blower

Motor

Intake

Actuator

STARTER

RELAY(1)

0.5
LG

0.5
BR

0.5
BR

0.5

G/W

0.5

P/G

0.5

P/G

0.5

G/O

0.5

G/O

PCM

(C3-E15)

31

13

COMP-F/B

7

0.5
BR

0.5

BR/Y

0.3

G/B

0.5

G/B

0.5

BR/Y

0.5
BR

Triple
Pressure
Switch

0.5
BR

A

A/C
Thermo Relay

Auto A/C Control Unit

3

X-5

16

H-16

17

H-16

14

I-32

18

I-33

1

X-5

13

H-24

12

H-41

2

1

C-25

C-25

4

X-5

X-5

2

X-5

7

H-16

A/C
Compressor
Relay

Magnetic
clutch

1

X-7

3

X-7

4

X-7

2

X-7

PCM

(C-1-B14)

E-3

9

1

H-6

7

H-41

5

H-41

Engine
Coolant
Temperature
Sensor

ENGINE COOLANT

TEMPERATURE GAUGE

0.5

Y/B

0.5

Y/B

0.5

Y/B

E-19

11

1

H-6

1

H-24

I-33

4

B-36

X-5

X-7

H-14

1

2

1

2

H-16

H-24

H-13

H-6

H-41

1

2

3

4

1 2

1

1

1

3
6

2
5

1
4

1

2

3

4

5

6

10 9 8 7 6

5 4 3 2 1

2221201918

1514131211

17

16

1 2 3 4 5

1112131415

6 7 8 9 10

1819202122

16

17

6

H-41

4

3

2

1

8

7

6

5

12 11 10

9

16 15 14 13

1

2

3

4

5

6

7

8

9

10 11 12

13 14 15 16

17 18

16

15

14

7 8

6

5

12 13

11

10

9

4

1

3

2

5

6

7

8

15

16

17

18

14

2

3

4

1

10

11

12

13

9

A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16

B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16

E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16

F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16

D08RY00182

AIR CONDITIONING  1B–119

Chart A: Magnet Clutch Does Not work

NO

The harness is disconnected.

NO

Replace the failed relay.

NO

Failure on the power supply system.

NO

NO

NO

Replace the fuse.

YES

Failure on the magnet clutch.

NO

Replace the electronic thermostat.

YES

YES

YES

YES

YES

NO

YES

The harness is disconnected.

Failure on the pressure switch or

refrigerant is insufficient.

Turn the A/C (air conditioner) switch on.

Are the pressure switch side connector
terminals No.1 

and No.2 

conducted?

C-25

C-25

Are relays normal?

Is fuse (C-20) 10A normal?

Is the electronic thermostat normal?

Is the battery voltage present between
the chassis harness side connector
terminal No.1 

and the ground?

E-3

Is the battery voltage present between
the chassis harness side connector
terminal No.1 

and the ground.

C-25

Is the battery voltage present between
the chassis side relay terminal No.3

and the ground, and No.1 

and the ground?

X-7

X-5

YES

Turn the ignition switch off.

Is conduction provided between the
following chassis harness side connecter
terminals?
No.2 and 

No.2 .

No.4 and 

No.1 .

E-3

X-7

X-7

X-5

Turn the ignition switch on (the engine is

started).

Magnet clutch does not work

Chart A

Type of trouble

1B–120 AIR CONDITIONING

NO

NO

The harness is disconnected.

YES

YES

Failure on PCM (see Chapter 6E for A/C
control with PCM).

Is the battery voltage present between the
chassis harness side connector terminal
No.14 

and the ground?

I-32

Is conduction provided between the
following chassis harness side connector
terminals?
No.B14 and 

No.3 .

No.E15 and 

No.4 .

X-5

C-3

X-7

C-1

Disconnect the connector 

on the

automatic heater/air conditioner control
unit.

I-32

The harness is disconnected between No.1

and No.14 

.

I-32

X-5

YES

When you turned on the "Auto" switch,
does the battery voltage appear
between the chassis harness connector
terminal No.14 

and the ground?

I-32

Failure on the automatic heater/air conditioner

control unit.

NO

 

 

 

 

 

 

 

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