Page 2417 of 3171
MTC-30
AIR CONDITIONER CONTROL
Discharge Air Flow
EJS005G0
FRONT
WJIA0540E
MJIB0284E
Page 2418 of 3171
AIR CONDITIONER CONTROL
MTC-31
C
D
E
F
G
H
I
K
L
MA
B
MTC
System DescriptionEJS005G1
SWITCHES AND THEIR CONTROL FUNCTION
MJIB0220E
WJIA0532E
Page 2419 of 3171
MTC-32
AIR CONDITIONER CONTROL
CAN Communication System Description
EJS005G3
Refer toLAN-23, "CAN COMMUNICATION".
Page 2420 of 3171
TROUBLE DIAGNOSIS
MTC-33
C
D
E
F
G
H
I
K
L
MA
B
MTC
TROUBLE DIAGNOSISPFP:00004
CONSULT-IIEJS005G4
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II BASIC OPERATION
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1. With the ignition switch OFF, connect CONSULT-II and “CON-
SULT-II converter” to the data link connector, and turn the igni-
tion switch ON.
2. Touch “START (NISSAN BASED VHCL)”.
3. Touch “BCM” on “SELECT SYSTEM” screen. If “BCM” is not
indicated, go toGI-50, "
CONSULT-II Data Link Connector (DLC)
Circuit".
System part Check item, diagnosis mode Description
BCM Data monitor Displays BCM input data in real time.
BBIA0369E
BCIA0029E
BCIA0030E
Page 2421 of 3171

MTC-34
TROUBLE DIAGNOSIS
DATA MONITOR
Operation Procedure
1. Touch “AIR CONDITIONER” on “SELECT TEST ITEM” screen.
2. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3. Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on
“DATA MONITOR” screen.
4. Touch “START”.
5. When “SELECTION FROM MENU” is selected, touch items to
be monitored. When “ALL SIGNALS” is selected, all the items
will be monitored.
6. Touch “RECORD” while monitoring, then the status of the moni-
tored item can be recorded. To stop recording, touch “STOP”.
Display Item List
WJIA0468E
SJIA0269E
All signals Monitors all the items.
Selection from menu Selects and monitors the individual item selected.
WJIA0469E
Monitor item name “operation or
unit”Contents
IGN ON SW “ON/OFF” Displays “IGN Position (ON)/OFF, ACC Position (OFF)” status as judged from ignition switch signal.
COMP ON SIG “ON/OFF” Displays “COMP (ON)/COMP (OFF)” status as judged from air conditioner switch signal.
FAN ON SIG “ON/OFF” Displays “FAN (ON)/FAN (OFF)” status as judged from blower motor switch signal.
Page 2422 of 3171

TROUBLE DIAGNOSIS
MTC-35
C
D
E
F
G
H
I
K
L
MA
B
MTC
How to Perform Trouble Diagnosis for Quick and Accurate RepairEJS005G5
WORK FLOW
SYMPTOM TABLE
*1: Self-diagnosis not available on vehicles not equipped with navigation system display screen.*1MTC-53, "
Operational Check"
SHA900E
Symptom Reference Page
A/C system does not come on. Go to Trouble Diagnosis Procedure for A/C System.MTC-55
A/C system cannot be controlled. Go to Self-diagnosis Function.MTC-51
Air outlet does not change.
Go to Trouble Diagnosis Procedure for Mode Door Motor.MTC-58
Mode door motor is malfunctioning.
Discharge air temperature does not change.
Go to Trouble Diagnosis Procedure for Air Mix Door Motor.MTC-63
Air mix door motor is malfunctioning.
Intake door does not change.
Go to Trouble Diagnosis Procedure for Intake Door Motor.MTC-68
Intake door motor is malfunctioning.
Blower motor operation is malfunctioning. Go to Trouble Diagnosis Procedure for Blower Motor.MTC-71
Magnet clutch does not engage. Go to Trouble Diagnosis Procedure for Magnet Clutch.MTC-79
Insufficient cooling Go to Trouble Diagnosis Procedure for Insufficient Cooling.MTC-86
Insufficient heating Go to Trouble Diagnosis Procedure for Insufficient Heating.MTC-93
Noise Go to Trouble Diagnosis Procedure for Noise.MTC-94
Self-diagnosis cannot be performed *1. Go to Trouble Diagnosis Procedure for Self-diagnosis.MTC-95
Page 2423 of 3171
MTC-36
TROUBLE DIAGNOSIS
Component Parts and Harness Connector Location
EJS005G6
ENGINE COMPARTMENT
MJIB0318E
Page 2424 of 3171
TROUBLE DIAGNOSIS
MTC-37
C
D
E
F
G
H
I
K
L
MA
B
MTC
FRONT PASSENGER COMPARTMENT
MJIB0319E