Infiniti F50. Manual - part 127

AIR CONDITIONER CONTROL

ATC-33

C

D

E

F

G

H

I

K

L

M

A

B

ATC

Discharge Air Flow

EJS000JD

RJIA0205E

ATC-34

AIR CONDITIONER CONTROL

System Description

EJS000JE

SWITCHES AND THEIR CONTROL FUNCTION

RJIA1873E

RJIA1586E

TROUBLE DIAGNOSIS

ATC-35

C

D

E

F

G

H

I

K

L

M

A

B

ATC

TROUBLE DIAGNOSIS

PFP:00004

How to Perform Trouble Diagnoses for Quick and Accurate Repair

EJS000JF

WORK FLOW

SYMPTOM TABLE

*1

ATC-62, "Operational Check"

.

SHA900E

Symptom

Reference Page

A/C system does not come on.

Go to Trouble Diagnosis Procedure for A/C System.

ATC-65, "Power 

Supply and 

Ground Circuit for 

Auto Amp."

A/C system cannot be controlled.

Go to Trouble Diagnosis Procedure for Multiplex Communication 
Circuit.

ATC-118, "Multi-

plex Communica-

tion Circuit"

Air outlet does not change.

Go to Trouble Diagnosis Procedure for Mode Door Motor. (LAN)

ATC-67, "LAN 

System Circuit"

Mode door motor does not operate normally.

Discharge air temperature does not change.

Go to Trouble Diagnosis Procedure for Air Mix Door Motor. (LAN)

ATC-67, "LAN 

System Circuit"

Air mix door motor does not operate nor-
mally.

Intake door does not change.

Go to Trouble Diagnosis Procedure for Intake Door Motor.

ATC-77, "Intake 

Door Motor Cir-

cuit"

Intake door motor does not operate normally.

Blower motor operation is malfunctioning.

Go to Trouble Diagnosis Procedure for Blower Motor.

ATC-81, "Blower 

Motor Circuit"

Blower motor operation is malfunctioning 
under out of starting fan speed control.

Magnet clutch does not engage.

Go to Trouble Diagnosis Procedure for Magnet Clutch.

ATC-86, "Magnet 

Clutch Circuit"

Insufficient cooling

Go to Trouble Diagnosis Procedure for Insufficient Cooling.

ATC-92, "Insuffi-

cient Cooling"

Go to Diagnostic Procedure for Insufficient Cooling.

ATC-98, "DIAG-

NOSTIC PROCE-

DURE FOR 

INSUFFICIENT 

COOLING"

Insufficient heating

Go to Trouble Diagnosis Procedure for Insufficient Heating.

ATC-100, "Insuffi-

cient Heating"

Noise

Go to Trouble Diagnosis Procedure for Noise.

ATC-101, "Noise"

Self-diagnosis cannot be performed.

Go to Trouble Diagnosis Procedure for Self-diagnosis.

ATC-102, "Self-

diagnosis"

Memory function does not operate.

Go to Trouble Diagnosis Procedure for Memory Function.

ATC-103, "Mem-

ory Function"

ECON mode does not operate.

Go to Trouble Diagnosis Procedure for ECON (ECONOMY) 
mode.

ATC-104, "ECON 

(ECONOMY) 

Mode"

ATC-36

TROUBLE DIAGNOSIS

Component Parts and Harness Connector Location

EJS000JG

ENGINE COMPARTMENT

RJIA1587E