Nissan Quest E52. Manual - part 730
HAC-50
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
DIAGNOSIS SYSTEM (A/C AUTO AMP.)
*1: The following display pattern will appear if front mode door motor harness connector is disconnected:
“31”
→
“32”
→
“33”
→
“34”
→
Return to “31”
*2: The following display pattern will appear if rear mode door motor harness connector is disconnected:
“35”
→
“36”
→
Return to “35”
*3: The following display pattern will appear if intake door motor harness connector is disconnected:
“37”
→
“38”
→
“39”
→
Return to “37”
NOTE:
Inspect door motor circuit, when all door motor system malfunction are detected. Refer to
STEP 4: OPERATION CHECK
Description
When STEP 4 is selected, each part operation is started with indicating “41” on the display.
Each time DEF switch is pressed, the display will change to “41”
→
“42”
→
“43”
→
“44”
→
“45”
→
“46”
→
“41”.
Operation Contents
Checks must be visually, by listening the sound or by touching air outlets with hand, etc. for improper opera-
tion.
Front air conditioning
*: With ACCS (Advanced Climate Control System)
Code No.
Corresponding door motor
Malfunctioning judgment condition
Reference
31
Front mode door motor
*1
When the malfunctioning door position is detect-
ed at VENT position
HAC-110, "Diagnosis Procedure"
32
When the malfunctioning door position is detect-
ed at B/L position
33
When the malfunctioning door position is detect-
ed at FOOT position
34
When the malfunctioning door position is detect-
ed at DEF position
35
Rear mode door motor
*2
When the malfunctioning door position is detect-
ed at VENT position
HAC-112, "Diagnosis Procedure"
36
When the malfunctioning door position is detect-
ed at FOOT position
37
Intake door motor
*3
When the malfunctioning door position is detect-
ed at FRE position
HAC-112, "Diagnosis Procedure"
38
When the malfunctioning door position is detect-
ed at 20% FRE position
39
When the malfunctioning door position is detect-
ed at REC position
Code
No.
Front mode
door position
Intake door po-
sition
Front air mix
door (driver
side/passenger
side) position
Front blower
motor control
signal (duty ra-
tio)
Magnet clutch
Ionizer
*
Display (Plas-
macluster
™
ion
operating
state)
*
41
VENT
REC
Full cold
35%
ON
ON
CLEAN
42
VENT
REC
Full cold
35%
ON
ON
CLEAN
43
B/L
20% FRE
Full cold
59%
ON
ON
QUICK
CLEAN
44
FOOT
FRE
Full hot
89%
OFF
ON
QUICK
CLEAN
45
D/F
FRE
Full hot
89%
OFF
ON
QUICK
CLEAN
46
DEF
FRE
Full hot
35%
ON
OFF
OFF