2005 INFINITI FX35 Service Manual

Page 545 of 4731

INFINITI FX35 2005  Service Manual ATC-108
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
DIAGNOSIS PROCEDURE FOR IN-VEHICLE SENSOR
SYMPTOM: In-vehicle sensor circuit is open or shorted. (22 or −22 is 
indicated on unified meter and A

Page 546 of 4731

INFINITI FX35 2005  Service Manual TROUBLE DIAGNOSIS ATC-109
C 
D  E 
F 
G  H 
I 
K  L 
M  A 
B
AT C 
Revision: 2005 July  2005 FX
4. CHECK CIRCUIT CONTINUITY BETWEEN IN-VEHICLE SENSOR AND UNIFIED METER AND A/C 
AMP. 
1. Turn ignition

Page 547 of 4731

INFINITI FX35 2005  Service Manual ATC-110
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
Sunload Sensor CircuitAJS00156
COMPONENT DESCRIPTION 
Sunload Sensor
The sunload sensor is located on the passenger’s side front 
defroster gril

Page 548 of 4731

INFINITI FX35 2005  Service Manual TROUBLE DIAGNOSIS ATC-111
C 
D  E 
F 
G  H 
I 
K  L 
M  A 
B
AT C 
Revision: 2005 July  2005 FX
2. CHECK CIRCUIT CONTINUITY BETWEEN SUNLOAD SENSOR AND UNIFIED METER AND A/C AMP. 
1. Turn ignition swit

Page 549 of 4731

INFINITI FX35 2005  Service Manual ATC-112
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
COMPONENT INSPECTION 
Sunload Sensor
Measure voltage between unified meter and A/C amp. harness con- 
nector M57 terminal 50 (LG) and ground.
Whe

Page 550 of 4731

INFINITI FX35 2005  Service Manual TROUBLE DIAGNOSIS ATC-113
C 
D  E 
F 
G  H 
I 
K  L 
M  A 
B
AT C 
Revision: 2005 July  2005 FX
Intake Sensor CircuitAJS00157
COMPONENT DESCRIPTION 
Intake Sensor
The intake sensor is located on the h

Page 551 of 4731

INFINITI FX35 2005  Service Manual ATC-114
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
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-diagnosi

Page 552 of 4731

INFINITI FX35 2005  Service Manual CONTROLLER ATC-115
C 
D  E 
F 
G  H 
I 
K  L 
M  A 
B
AT C 
Revision: 2005 July  2005 FX
CONTROLLERPFP:27500
Removal and Installation of A/C and AV SwitchAJS001BN
REMOVAL
Refer to AV- 4 8 ,  "Removal