2001 INFINITI QX4 navigation

MHA976A
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Wiring Diagram Ð A/C, A Ð (Without Navigation System) (Cont'd)
HA-33

MHA977A
TROUBLE DIAGNOSES
Wiring Diagram Ð A/C, A Ð (Without Navigation System) (Cont'd)
HA-34

Circuit Diagram (With Navigation System)NBHA0113
MHA978A
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Circuit Diagram (With Navigation System)
HA-35

Wiring Diagram Ð A/C, A Ð (With Navigation
System)
NBHA0114
MHA979A
TROUBLE DIAGNOSES
Wiring Diagram Ð A/C, A Ð (With Navigation System)
HA-36

MHA980A
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Wiring Diagram Ð A/C, A Ð (With Navigation System) (Cont'd)
HA-37

MHA981A
TROUBLE DIAGNOSES
Wiring Diagram Ð A/C, A Ð (With Navigation System) (Cont'd)
HA-38

MHA982A
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Wiring Diagram Ð A/C, A Ð (With Navigation System) (Cont'd)
HA-39

RHA464GA
RHA858H
Auto Amp. Terminals and Reference ValueNBHA0036INSPECTION OF AUTO AMP.NBHA0036S01IMeasure voltage between each terminal and body ground by
following ªAUTO AMP. INSPECTION TABLEº.
IPin connector terminal layout
RHA839H
AUTO AMP. INSPECTION TABLENBHA0036S02Without Navigation SystemNBHA0036S0201
TERMINAL
NO.ITEM CONDITIONVoltage
V
1 Intake sensor Ð Ð
2 Ambient sensor Ð Ð
3 In-vehicle sensor Ð Ð
6 ECM signal
Compressor: ON Approximately 0
Ccompressor: OFF Approximately 4.6
8 Intake door position switch Intake door positionFRESH Approximately 0
RECIRCULATION or 20%
FRESHApproximately 4.6
11 Sensor ground Ð Approximately 0
12 Sunload sensor Ð Ð
TROUBLE DIAGNOSES
Auto Amp. Terminals and Reference Value
HA-40