2002 NISSAN PATROL Electronic Repair Manual

RECIRCULATION (REC) SWITCH
ON position: Interior air is recirculated inside the vehicle.
OFF position: Automatic control resumes.
Recirculation is canceled when AUTO, DEF or ECON is selected. Recirculation resumes when another mode
is chosen.
DEFROSTER (DEF) SWITCH
Positions the mode doors to the defrost position. Also positions the air intake doors to the outside air posi-
tion.
DESCRIPTIONAUTO
Control Operation (Cont'd)
HA-3005

Auto Amp. Terminals and Reference Value
INSPECTION OF AUTO AMP.
+Measure voltage between each terminal and body ground by
following ªAUTO AMP. INSPECTION TABLEº.
+Pin connector terminal layout
SHA758F
RHA501GF
TROUBLE DIAGNOSISAUTO
HA-3006

AUTO AMP. INSPECTION TABLE
TERMINAL
No.
(Wire color)ITEM CONDITIONVOLTAGE
V
1 (RY) Power supply for IGN
Ð Approximately 12
2 (Y) Power supply for BAT
Ð Approximately 12
3 (B) Ground
ÐÐ
4 (Y)*2
(LG)*4Compressor ON signal
CompressorON Approximately 0
OFF Approximately 12
5 (L) LAN signal
Ð Approximately 5.5
8 (GY/R) In-vehicle sensor Ð Ð
9 (PU) Ambient sensor Ð Ð
10 (R) Sunload sensor Ð Ð
11 (B) Ground
ÐÐ
12 (L/B) Power supply for illumination Illumination switch ON Approximately 12
13 (OR/B) Intake door position switchRECIRCULATION Approximately 0
FRESH or 20% FRESH Approximately 12
14 (P) Intake door position switchFRESH Approximately 0
RECIRCULATION or 20% FRESH Approximately 12
15 (G/Y)Power supply for mode and air mix
door motorÐ Approximately 12
17 (GY/L) Fan control amp. control signal
Fan speedLow, middle low or middle high Approximately 2.5 - 3.0
High Approximately9-10
18 (L/W) Blower motor feed back Low Approximately7-10
19*1 (Y/L) Fan ON signal Blower fanON Approximately 0
OFF Approximately 5
20 (L/R) Power supply for blower motor Ð Approximately 12
21 (Y/R) Thermal transmitter Ð Ð
23 (OR) Intake door position switch
20% FRESH Approximately 0
RECIRCULATION or FRESH Approximately 12
24 (G/Y) Sensor ground Ð Ð
25 (G/W) Intake sensor Ð Ð
27*2 (Y/B) FICD ON signal
Compressor
ONAmbient temperature 20.5ÉC or
lessApproximately 0
Ambient temperature 23.5ÉC or
moreApproximately 12
28 (LG/B) Rear cooler relayRear cooler ON Approximately 0
Rear cooler OFF Approximately 12
35 (Y/L)*5
(OR/L)*6Rear cooler switchRear cooler switch ON Approximately 0
Rear cooler switch OFF Approximately 12
36*3 (Y) Front solenoid valve relayCool box switch ON Approximately 0
Cool box switch OFF Approximately 12
*1: A/T models
*2: Except for Europe
*3: For the Middle East with cool box
*4: Except for the Middle East
*5: With rear cooler front switch and without cool box
*6: Without rear cooler front switch
TROUBLE DIAGNOSISAUTO
Auto Amp. Terminals and Reference Value
(Cont'd)
HA-3007

Wiring Diagram Ð R/COOL Ð/With Front
Auto A/C
THA138M
TROUBLE DIAGNOSESREAR COOLER
HA-3008

THA070M
TROUBLE DIAGNOSESREAR COOLER
Wiring Diagram Ð R/COOL Ð/With Front
Auto A/C (Cont'd)
HA-3009

TROUBLE DIAGNOSESREAR COOLER
Wiring Diagram Ð R/COOL Ð/With Front
Auto A/C (Cont'd)
HA-3010

ALPHABETICAL INDEX
SECTION
IDX

IDX

A
A/C control operation (auto A/C) .......... HA-3004
A/T - Wiring diagram ............................. AT-3004
ABS - Wiring diagram ........................... BR-3006
APS - Wiring diagram ........................... EC-3016
Accelerator position sensor .................. EC-3016
Alternator ............................................... EL-3040
Anti-lock brake system - Wiring
diagram ............................................. BR-3005
Audio ...................................................... EL-3109
B
Battery ................................................... EL-3037
C
CD/CHG - Wiring diagram ..................... EL-3117
CHARGE - Wiring diagram ................... EL-3039
CIGAR - Wiring diagram ....................... EL-3104
CLOCK - Wiring diagram ...................... EL-3119
COMPAS - Wiring diagram ................... EL-3083
CONSULT general information .............. GI-3002
COOL/F - Wiring diagram ..................... EC-3006
Charging system .................................... EL-3039
Cigarette lighter ..................................... EL-3104
Clock ...................................................... EL-3119
Combination meter ................................ EL-3079
Combination switch ............................... EL-3034
Cooling fan control ................................ EC-3006
D
D/LOCK - Wiring diagram ..................... EL-3121
DEICER - Wiring diagram ..................... EL-3106
DTRL - Wiring diagram ......................... EL-3044
Daytime light system ............................. EL-3044
Dimensions ............................................. GI-3007
Dome light - See Interior lamp .............. EL-3069
E
ECCS-D control module ....................... EC-3017
EGR - Wiring diagram .......................... EC-3018
EGR volume control valve .................... EC-3018
Electrical units location .......................... EL-3172
Electronic fuel injection pump ............... EC-3015
Engine control circuit diagram .............. EC-3002
F
F/FOG - Wiring diagram .............. EL-3052, 3053Fog lamp, front ...................................... EL-3052
Front disc brake .................................... BR-3002
Front fog lamp ....................................... EL-3052
Front washer .......................................... EL-3100
Front wiper ............................................. EL-3100
Fuel gauge ............................................. EL-3079
Fuse ....................................................... EL-3213
Fusible link ............................................. EL-3213
G
Gauges .................................................. EL-3079
Ground distribution ................................ EL-3017
H
H/AIM - Wiring diagram ......................... EL-3042
H/LAMP - Wiring diagram ..................... EL-3041
HLC - Wiring diagram ............................ EL-3101
Harness layout ....................................... EL-3179
Hazard warning lamp ............................ EL-3058
Headlamp aiming control ....................... EL-3042
Headlamp washer .................................. EL-3101
Headlamp .............................................. EL-3041
Height (Dimensions) ............................... GI-3007
I
ILL - Wiring diagram .............................. EL-3063
Illumination ............................................. EL-3062
Interior lamp ........................................... EL-3069
K
Keyless entry system - See Multi-remote control
system ................................................... EL-3144
L
Length (Dimensions) .............................. GI-3007
License lamp ......................................... EL-3046
Location of electrical units ..................... EL-3172
Luggage room lamp .............................. EL-3069
M
MAFS - Wiring diagram ........................ EC-3004
MAIN - Wiring diagram ......................... EC-3003
MULTI - Wiring diagram ........................ EL-3145
Meter ...................................................... EL-3079
Model variation ....................................... GI-3004
ALPHABETICAL INDEX
IDX-3002