Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 561

1A–112 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

Chart 1: In Car Sensor

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Step

Action

Value(s)

Yes

No

1

Disconnect the in car sensor connector. (No.I-34)

Is performance of the sensor normal? (Refer to the
later section on “Individual Inspection”)

—

Go to Step 2

Replace the

in car sensor

2

Is there continuity between the harness side connector
No.I33–1 and No.I34–3?

—

Go to Step 4

Go to Step 3

3

Repair an open circuit between terminal No.I33–1 and
No.I34–3.

Is the action complete?

—

Go to Step 2

—

4

Is there continuity between the harness side connector
No.I33–11 and No.I34–4?

—

Go to Step 6

Go to Step 5

5

Repair an open circuit between terminal No.I33–11 and
No.I34–4.

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–113

Chart 2: Ambient Sensor 

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Step

Action

Value(s)

Yes

No

1

Disconnect ambient sensor connector. (No.C–86)

Is performance of the ambient sensor normal? (Refer
to the later section on “Individual inspection”)

—

Go to Step 2

Replace the

ambient

sensor

2

Connect the ambient sensor connector.

Is resistance between the harness side connector
No.I33–2 and No.I33–11 normal?

Refer to the

later section

on “Individual

inspection”

Go to Step 4

Go to Step 3

3

Repair an open circuit between terminal No.I33–2 and
No.C86–1 or No.I33–11 and No.C86–2.

Is the action complete?

—

Verify repair

—

4

Replace the auto air conditioner control unit.

Is the action complete?

—

Verify repair

—

1A–114 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

Chart 3: Sun Sensor 

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Step

Action

Value(s)

Yes

No

1

Disconnect the sun sensor connector. (No.I–35)

Is performance of the sun sensor normal? (Refer to the
later section on individual inspection)

—

Go to Step 2

Replace the

sun sensor.

2

Is there continuity between the harness side connector
terminal No.I33–3 and No.I35–1?

—

Go to Step 4

Go to Step 3

3

Repair an open circuit between terminal No.I33–3 and
No.I35–1.

Is the action complete?

—

Go to Step 2

—

4

Is there continuity between the harness side connector
terminal No.I33–11 and No.I35–2?

—

Go to Step 6

Go to Step 5

5

Repair an open circuit between terminal No.I33–11 and
I35–2.

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–115

Inspection of the Intake Actuator System 

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