NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF

NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF PATROL 1998 Y61 / 5.G NISSAN NISSAN https://www.carmanualsonline.info/img/5/622/w960_622-0.png NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF
Trending: display, gas type, fuse, wiring, fuse diagram, lock, low oil pressure

Page 71 of 128

NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF How to Perform Trouble Diagnoses for Quick
and Accurate Repair
WORK FLOW
*1: Operational Check (HA-70)
SYMPTOM TABLE
Symptom Reference page
+A/C system does not come on.+Go to Trouble Diagnosis Proced

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NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF Operational Check
The purpose of the operational check is to con®rm that the system
operates properly.
CONDITIONS
+Engine running and at normal operating temperature.
PROCEDURE
1. Check memory functi

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NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF b. Con®rm that discharge air comes out according to the air dis-
tribution table at left.
Refer to ``Discharge Air Flow (HA-13).
NOTE:
Con®rm that the compressor clutch is engaged (visualinspec-
t

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NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF 6. Check AUTO mode
a. Press AUTO switch.
b. Display should indicate AUTO.
Con®rm that the compressor clutch engages (audio or visual
inspection).
(Discharge air and blower speed will depend on ambien

Page 75 of 128

NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF A/C System
TROUBLE DIAGNOSIS PROCEDURE FOR A/C SYSTEM
SYMPTOM:
+A/C system does not come on.
Inspection ¯ow
*1: HA-74 *2: HA-70
COMPONENT DESCRIPTION
Automatic ampli®er (Auto amp.)
The auto ampli®e

Page 76 of 128

NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF DIAGNOSTIC PROCEDURE
Auto amp. check
Check power supply circuit for auto amp. with ignition switch ON.
Measure voltage across terminal Nos.j
1,j2,j20and body ground.
Voltmeter terminal
Voltage
%@
j
1

Page 77 of 128

NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF Mode Door Motor
TROUBLE DIAGNOSIS PROCEDURE FOR MODE DOOR MOTOR (LAN)
SYMPTOM:
+Air outlet does not change.
+Mode door motor does not operate normally.
Inspection ¯ow
*1: HA-13
*2: HA-70
*3: HA-64
*4

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NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF SYSTEM DESCRIPTION
Component parts
Mode door control system components are:
1) Auto amp.
2) Mode door motor (LCU)
3) In-vehicle sensor
4) Ambient sensor
5) Sunload sensor
6) Intake sensor
System opera

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NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF Mode door control speci®cation
COMPONENT DESCRIPTION
The mode door motor is attached to the heater unit. It rotates so
that air is discharged from the outlet set by the auto ampli®er. Motor
rotation

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NISSAN PATROL 1998 Y61 / 5.G Heather And Air Conditioner Manual PDF DIAGNOSTIC PROCEDURE
SYMPTOM: Mode door motor and/or air mix door motor do not
operate normally.
CHECK POWER SUPPLY FOR AUTO
AMP. (LCU) SIDE.
Do approx. 12 volts exist between auto
amp. (LCU) terminal
Trending: lock, low oil pressure, engine overheat, fuse diagram, Fan, display, ECO mode