2005 NISSAN X-TRAIL Service Repair Manual

Page 3257 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual TROUBLE DIAGNOSIS
ATC-79
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
Intake Door Motor CircuitEJS004YM
SYMPTOM:
Intake door does not change.
Intake door motor does not operate normally.
INSPECTION FLOW
*1ATC-65,

Page 3258 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual ATC-80
TROUBLE DIAGNOSIS
 
SYSTEM DESCRIPTION
Component Parts
Intake door control system components are:
Auto amp.
Intake door motor (LCU)
A/C LAN system (PBR built-in air mix door motor, mode door

Page 3259 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual TROUBLE DIAGNOSIS
ATC-81
C
D
E
F
G
H
I
K
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MA
B
AT C
 
COMPONENT DESCRIPTION
Intake Door Motor
The intake door motor is attached to the intake unit. It rotates so that
air is drawn from inlets set by

Page 3260 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual ATC-82
TROUBLE DIAGNOSIS
 
Blower Motor CircuitEJS004YN
SYMPTOM:
Blower motor operation is malfunctioning.
Blower motor operation is malfunctioning under out of starting fan speed control.
INSPECTIO

Page 3261 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual TROUBLE DIAGNOSIS
ATC-83
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
SYSTEM DESCRIPTION
Component Parts
Fan speed control system components are:
Auto amp.
A/C LAN system (PBR built-in air mix door motor, mode doo

Page 3262 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual ATC-84
TROUBLE DIAGNOSIS
 
Starting Fan Speed Control
Start Up from COLD SOAK Condition (Automatic mode)
In a cold start up condition where the engine coolant temperature is below 56°C (133°F), the

Page 3263 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual TROUBLE DIAGNOSIS
ATC-85
C
D
E
F
G
H
I
K
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MA
B
AT C
 
1. CHECK POWER SUPPLY FOR BLOWER MOTOR
1. Disconnect blower motor connector.
2. Turn ignition switch ON.
3. Check voltage between blower motor ha

Page 3264 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual ATC-86
TROUBLE DIAGNOSIS
 
5. CHECK GROUND CIRCUIT FOR FAN CONTROL AMP.
1. Turn ignition switch OFF.
2. Disconnect fan control amp. connector.
3. Check continuity between fan control amp. harness conn