navigation INFINITI QX4 2001 Factory Manual Online

RHA461GA
SHA278FA
6. Check Temperature IncreaseNBHA0019S0206Without Navigation System
IPress the temperature increase button until 32ÉC (85ÉF) is
displayed.
ICheck for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for insufficient heating
(HA-121).
If OK, continue with next check.
With Navigation System
ITurn the temperature dial clockwise until 32ÉC (85ÉF) is dis-
played.
ICheck for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for insufficient heating
(HA-121).
If OK, continue with next check.
RHA462GA
RHA333HA
7. Check ECON (Economy) ModeNBHA0019S02071. Set the temperature 75ÉF or 25ÉC.
2. Press ECON switch.
3. Display should indicate ECON (no AUTO).
Confirm that the compressor clutch is not engaged (visual
inspection).
(Discharge air and blower speed will depend on ambient, in-
vehicle and set temperatures.)
If NG, go to trouble diagnosis procedure for ECON (Economy)
mode (HA-128).
If OK, continue with next check.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Operational Check (Cont'd)
HA-69

RHA463GA
RHA334HA
8. Check AUTO ModeNBHA0019S02081. Press AUTO switch.
2. Display should indicate AUTO (no ECON).
Confirm that the compressor clutch engages (audio or visual
inspection).
(Discharge air and blower speed will depend on ambient, in-
vehicle and set temperatures.)
If NG, go to trouble diagnosis procedure for A/C system (HA-71),
then if necessary, trouble diagnosis procedure for magnet clutch
(HA-104).
SHA286HA
9. Check Ambient Display (With Navigation System)NBHA0019S02091. Press AUTO switch.
2. Press AMB switch.
3. Display should show the outside (ambient) temperature for
approximately 5 seconds.
If NG, go to trouble diagnosis procedure for multiplex communica-
tion circuit (HA-142).
If all operational check are OK (symptom can not be duplicated),
go to ªIncident Simulation Testsº (GI section) and perform tests as
outlined to simulate driving conditions environment. If symptom
appears, refer to ªSymptom Tableº (HA-65) and perform applicable
trouble diagnosis procedures.
TROUBLE DIAGNOSES
Operational Check (Cont'd)
HA-70

Mode Door Motor
TROUBLE DIAGNOSIS PROCEDURE FOR MODE DOOR MOTOR (LAN)=NBHA0090SYMPTOM:
IAir outlet does not change.
IMode door motor does not operate normally.
Inspection FlowNBHA0090S01Without Navigation SystemNBHA0090S0101
SHA245F
*1: HA-25
*2: HA-66
*3: HA-44
*4: HA-45
*5: HA-129*6: HA-132
*7: HA-135
*8: HA-141
*9: STEP-BY-STEP PROCEDURE
(HA-45), see No. 13.*10: HA-78
*11: HA-81
*12: HA-66
*13: HA-65
*14: HA-139
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Mode Door Motor
HA-75

With Navigation SystemNBHA0090S0102
RHA869H
*1: HA-25
*2: HA-66
*3: HA-44
*4: HA-45
*5: HA-129*6: HA-132
*7: HA-135
*8: HA-141
*9: STEP-BY-STEP PROCEDURE
(HA-45), see No. 13.*10: HA-78
*11: HA-81
*12: HA-66
*13: HA-65
*14: HA-139
TROUBLE DIAGNOSES
Mode Door Motor (Cont'd)
HA-76

Air Mix Door Motor
TROUBLE DIAGNOSIS PROCEDURE FOR AIR MIX DOOR (LAN)=NBHA0098SYMPTOM:
IDischarge air temperature does not change.
IAir mix door motor does not operate.
Inspection FlowNBHA0098S01Without Navigation SystemNBHA0098S0101
SHA246F
*1: HA-44
*2: HA-129
*3: HA-132
*4: HA-135
*5: HA-141*6: STEP-BY-STEP PROCEDURE
(HA-45), see No. 13.
*7: HA-78
*8: HA-85
*9: HA-85*10: HA-66
*12: HA-66
*13: HA-65
*14: HA-139
*15: HA-45
TROUBLE DIAGNOSES
Air Mix Door Motor
HA-82

With Navigation SystemNBHA0098S0102
RHA871H
*1: HA-44
*2: HA-129
*3: HA-132
*4: HA-135
*5: HA-141*6: STEP-BY-STEP PROCEDURE
(HA-45), see No. 13.
*7: HA-78
*8: HA-85
*9: HA-85*10: HA-66
*12: HA-66
*13: HA-65
*14: HA-139
*15: HA-45
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Air Mix Door Motor (Cont'd)
HA-83

Intake Door Motor
TROUBLE DIAGNOSIS PROCEDURE FOR INTAKE DOOR=NBHA0092SYMPTOM:
IIntake door does not change.
IIntake door motor does not operate normally.
Inspection FlowNBHA0092S01Without Navigation SystemNBHA0092S0101
SHA247F
*1: HA-44
*2: HA-129
*3: HA-132
*4: HA-135
*5: HA-141*6: STEP-BY-STEP PROCEDURE
(HA-45), see No. 13.
*7: HA-90
*8: HA-94
*9: HA-66*10: HA-45
*11: HA-66
*12: HA-65
*13: HA-139
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Intake Door Motor
HA-87

With Navigation SystemNBHA0092S0102
RHA873H
*1: HA-44
*2: HA-129
*3: HA-132
*4: HA-135
*5: HA-141*6: STEP-BY-STEP PROCEDURE
(HA-45), see No. 13.
*7: HA-90
*8: HA-94
*9: HA-66*10: HA-45
*11: HA-66
*12: HA-65
*13: HA-139
TROUBLE DIAGNOSES
Intake Door Motor (Cont'd)
HA-88

Blower Motor
TROUBLE DIAGNOSIS PROCEDURE FOR BLOWER MOTOR=NBHA0094SYMPTOM:
IBlower motor operation is malfunctioning.
IBlower motor operation is malfunctioning under out of starting fan speed control.
Inspection FlowNBHA0094S01Without Navigation SystemNBHA0094S0101
SHA248FA
*1: HA-44
*2: HA-129
*3: HA-132
*4: HA-135
*5: HA-141*6: STEP-BY-STEP PROCEDURE
(HA-45), see No. 13.
*7: HA-98
*8: HA-98
*9: HA-45*10: HA-66
*11: HA-65
*12: HA-66
*13: HA-139
*14: EL-108
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Blower Motor
HA-95

With Navigation SystemNBHA0094S0102
RHA875H
*1: HA-44
*2: HA-129
*3: HA-132
*4: HA-135
*5: HA-141*6: STEP-BY-STEP PROCEDURE
(HA-45), see No. 13.
*7: HA-98
*8: HA-98
*9: HA-45*10: HA-66
*11: HA-65
*12: HA-66
*13: HA-139
*14: EL-108
TROUBLE DIAGNOSES
Blower Motor (Cont'd)
HA-96