Opel Frontera UE. Manual - part 36

1A–116

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

Chart 3: Solar Radiation Sensor 

D08RX231

Step

Action

Value(s)

Yes

No

1 

Disconnect the solar radiation sensor connector.
(No.I–50)
Is performance of the solar radiation sensor normal?
(Refer to the later section on individual inspection)

—

Go to Step 2

Replace the 

solar radiation 

sensor.

2 

Is there continuity between the harness side
connector terminal No.I44–3 and No.I50–2?

—

Go to Step 4

Go to Step 4

3 

Repair an open circuit between terminal No.I44–3 and
No.50–2.
Is the action complete?

—

Go to Step 2

—

4 

Is there continuity between the harness side
connector terminal No.I44–11 and No.I50–1?

—

Go to Step 6

Go to Step 5

5 

Repair an open circuit between terminal No.I44–11
and I50–1.
Is the action complete?

—

Go to Step 4

—

6 

Replace the auto air conditioner control unit.
Is the action complete?

—

Verify repair

—

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

1A–117

Inspection of the Intake Actuator System 

D08RX230

1A–118

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

Chart A: Does Not Work At All

Condition

Possible cause

Correction

Does not work at all

—

Refer to Chart A

Control failure

—

Refer to Chart B

Step

Action

Value(s)

Yes

No

1 

Is the fuse C–14 normal?

—

Go to Step 2

Replace the 

fuse

2 

Is the fuse F–5 normal?

—

Go to Step 3

Replace the 

fuse

3 

Is the relay X–6 normal?

—

Go to Step 4

Replace the 

relay

4 

Turn on the ignition switch. (the engine is run.)
Is the battery voltage applied between the harness
side connector terminal No.B26–3 and ground?

Approx 12V

Go to Step 6

Go to Step 5

5 

Repair an open circuit between terminal No.B26–3
and No.X6–1.
Is the action complete?

—

Go to Step 4

—

6 

Is the battery voltage applied between the harness
side connector terminal No.B26–4 and ground?

Approx 12V

Go to Step 8

Go to Step 7

7 

Replace the intake actuator motor.
Is the action complete?

—

Go to Step 6

—

8 

Is there continuity between the harness side
connector terminal No.I20–11 and No.B26–4?

—

Go to Step 10

Go to Step 9

9 

Repair an open circuit between No.I20–11 and B26–4.
Is the action complete?

—

Verify repair

—

10 

Replace the auto air conditioner control unit.
Is the action complete?

—

Verify repair

—

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

1A–119

Chart B: Failure on the Intake Control

Step

Action

Value(s)

Yes

No

1 

Is the fuse No.C–14 normal?

—

Go to Step 2

Replace the 

fuse

2 

Is the fuse No.F–5 normal?

—

Go to Step 3

Replace the 

fuse

3 

Is the relay No.X–6 normal?

—

Go to Step 4

Replace the 

relay

4 

Turn on the ignition switch. (the engine is run.)
Is the intake actuator stopped?

—

Go to Step 6

Go to Step 5

5 

Replace or repair the auto air conditioner control unit.
Is the action complete?

—

Verify repair

—

6 

Is there continuity between the harness side
connector terminal No.B26–5 and No.I44–11?

—

Go to Step 8

Go to Step 7

7 

Repair an open circuit between terminal No.B26–5
and No.I44–11.
Is the action complete?

—

Go to Step 6

—

8 

Is there continuity between the harness side
connector terminal No.B26–6 and No.I44–12?

—

Go to Step 10

Go to Step 9

9 

Repair an open circuit between terminal No.B26–6
and No.I44–12.
Is the action complete?

—

Go to Step 8

—

10 

Is there continuity between the harness side
connector terminal No.B26–1 and No.I44–13?

—

Go to Step 12

Go to Step 11

11 

Repair an open circuit between terminal No.B26–1
and I44-13.
Is the action complete?

—

Go to Step 10

–

12 

Is there continuity between the harness side
connector terminal No.B26–2 and No.I44–14?

—

Go to Step 14

Go to Step 13

13 

Repair an open circuit between harness No.B26–2
and No.I44–14.
Is the action complete?

—

Go to Step 12

—

14 

1. Disconnect the intake actuator connector No.B–

26.

2. Is the battery voltage applied between harness

side connector terminal
No.B26–6 and ground?
No.B26–2 and ground?
No.B26–1 and ground?

  

—

Go to Step 15

Go to Step 16

15 

Replace or repair the intake actuator.
Is the action complete?

—

Verify repair

—

16 

Replace or repair the air conditioner control unit.
Is the action complete?

—

Verify repair

—