2004 INFINITI FX35 Service Manual

Page 537 of 4449

INFINITI FX35 2004  Service Manual ATC-108
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
DIAGNOSTIC PROCEDURE FOR IN-VEHICLE SENSOR
SYMPTOM: In-vehicle sensor circuit is open or shorted. (22 or −22 is
indicated on unified

Page 538 of 4449

INFINITI FX35 2004  Service Manual TROUBLE DIAGNOSIS
ATC-109
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2004 November 2004 FX35/FX45
4. CHECK CIRCUIT CONTINUITY BETWEEN IN-VEHICLE SENSOR AND UNIFIED METER AND A/C 
AMP.
1. Turn ignition swit

Page 539 of 4449

INFINITI FX35 2004  Service Manual ATC-110
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
Sunload Sensor CircuitAJS00156
COMPONENT DESCRIPTION
Sunload Sensor
The sunload sensor is located on the passenger side front defroster

Page 540 of 4449

INFINITI FX35 2004  Service Manual TROUBLE DIAGNOSIS
ATC-111
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2004 November 2004 FX35/FX45
2. CHECK CIRCUIT CONTINUITY BETWEEN SUNLOAD SENSOR AND UNIFIED METER AND A/C AMP.
1. Turn ignition switch O

Page 541 of 4449

INFINITI FX35 2004  Service Manual ATC-112
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
COMPONENT INSPECTION
Sunload Sensor
Measure voltage between unified meter and A/C amp. harness con-
nector M57 terminal 50 (LG) and gro

Page 542 of 4449

INFINITI FX35 2004  Service Manual TROUBLE DIAGNOSIS
ATC-113
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2004 November 2004 FX35/FX45
Intake Sensor CircuitAJS00157
COMPONENT DESCRIPTION
Intake Sensor
The intake sensor is located on the heate

Page 543 of 4449

INFINITI FX35 2004  Service Manual ATC-114
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
3. CHECK INTAKE SENSOR
Refer to AT C - 11 4 ,  "
Intake Sensor" .
OK or NG
OK >> 1. Replace unified meter and A/C amp.
2. Go to self-di

Page 544 of 4449

INFINITI FX35 2004  Service Manual CONTROLLER
ATC-115
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2004 November 2004 FX35/FX45
CONTROLLERPFP:27500
Removal and Installation of A/C and AV SwitchAJS001BN
REMOVAL
Remove cluster lid C. Refer to I