2003 NISSAN X-TRAIL Service Repair Manual

Page 3457 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual TROUBLE DIAGNOSIS
ATC-61
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
8. CHECK ACTUATORS
Refer to the following chart and confirm discharge air flow, air tem-
perature, blower motor voltage and compressor operation.

Page 3458 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual ATC-62
TROUBLE DIAGNOSIS
 
9. CHECK MALFUNCTIONING SENSOR
Refer to the following chart.
*1: Perform self-diagnosis STEP-2 under sunshine.
When performing indoors, aim a light (more than 60W) at sunloa

Page 3459 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual TROUBLE DIAGNOSIS
ATC-63
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
AUXILIARY MECHANISM: TEMPERATURE SETTING TRIMMER
The trimmer compensates for differences in range of ±3°C between temperature setting (Temperat

Page 3460 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual ATC-64
TROUBLE DIAGNOSIS
 
AUXILIARY MECHANISM: INLET PORT MEMORY FUNCTION
When ignition switch is turned from OFF to ON, inlet port can be set to AUTO or manual.
Operating procedures for this trimmer

Page 3461 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual TROUBLE DIAGNOSIS
ATC-65
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
Operational CheckEJS004GU
The purpose of the operational check is to confirm that the system operates properly.
CHECKING BLOWER
1. Turn fan contr

Page 3462 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual ATC-66
TROUBLE DIAGNOSIS
 
CHECKING TEMPERATURE DECREASE
1. Turn temperature control dial until 18°C.
2. Check for cold air at discharge air outlets.
If NG, go to trouble diagnosis procedure for AT C

Page 3463 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual TROUBLE DIAGNOSIS
ATC-67
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
Power Supply and Ground Circuit for Auto Amp.EJS004GV
SYMPTOM: A/C system does not come on.
INSPECTION FLOW
COMPONENT DESCRIPTION
Auto Amp. (Auto

Page 3464 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual ATC-68
TROUBLE DIAGNOSIS
 
Potentio Temperature Control (PTC)
The PTC is built into the auto amp. It can be set at an interval of 1°C
in the 18°C to 32°C temperature range by turning the temperatur