2001 NISSAN ALMERA N16 EL page 71

How to Perform Trouble Diagnoses for Quick
and Accurate Repair
NJHA0129WORK FLOWNJHA0129S01
SHA900E
*1: HA-40
SYMPTOM TABLENJHA0129S02
Symptom Reference page
+Intake door does not change.+Go to Trouble Diagnosis Procedure for Intake Door. HA-42
+Air outlet does not change.+Go to Trouble Diagnosis Procedure for mode door. HA-46
+Air mix door does not change.+Go to Trouble Diagnosis Procedure for Air mix door. HA-48
+Max hot door does not change.+Go to Trouble Diagnosis Procedure for Max Hot Door. HA-50
+Blower motor does not rotate at all.+Go to Trouble Diagnosis Procedure for Blower Motor. HA-54
+Magnet clutch does not engage when A/C switch and
fan switch are ON.+Go to Trouble Diagnosis Procedure for Magnet Clutch. HA-61
+Insufficient cooling.+Go to Trouble Diagnosis Procedure for Insufficient cool-
ing.HA-74
+Insufficient heating.+Go to Trouble Diagnosis Procedure for Insufficient
heating.HA-82
+Noise+Go to Trouble Diagnosis Procedure for Noise. HA-83
TROUBLE DIAGNOSES
How to Perform Trouble Diagnoses for Quick and Accurate Repair
HA-39

Refrigerant Lines
REMOVAL AND INSTALLATION=NJHA0167+Refer to page HA-3 reading ªPrecautions for Refrigerant Connectionº.
NHA523
SERVICE PROCEDURE
Refrigerant Lines
HA-97

NHA524
+Refer to page HA-3 regarding ªPrecautions for Refrigerant Connectionº.
SERVICE PROCEDURE
Refrigerant Lines (Cont'd)
HA-98

DescriptionNJEL0003HARNESS CONNECTOR (TAB-LOCKING TYPE)NJEL0003S01+The tab-locking type connectors help prevent accidental looseness or disconnection.
+The tab-locking type connectors are disconnected by pushing or lifting the locking tab(s). Refer to the
illustration below.
Refer to the next page for description of the slide-locking type connector.
CAUTION:
Do not pull the harness or wires when disconnecting the connector.
[Example]
SEL769DA
HARNESS CONNECTOR
Description
EL-5

Trouble DiagnosesNJEL0455SYMPTOM CHARTNJEL0455S01
REFERENCE PAGE (EL- ) 117 118 119 120 121
SYMPTOM
POWER SUPPLY AND
GROUND CIRCUIT CHECK
DIAGNOSTIC PROCEDURE 1
(LIGHTING SWITCH INPUT
SIGNAL CHECK)
DIAGNOSTIC PROCEDURE 2
(KEY SWITCH INSERT
SIGNAL CHECK)
DIAGNOSTIC PROCEDURE 3
(DOOR UNLOCK SENSOR CHECK)
DIAGNOSTIC PROCEDURE 4
Light warning chime does not acti-
vate.XX X
Ignition key warning chime does not
activate.XXXX
All warning chimes do not activate. XX
POWER SUPPLY AND GROUND CIRCUIT CHECKNJEL0455S02Power Supply Circuit CheckNJEL0455S0201
SEL447X
Ground Circuit CheckNJEL0455S0202
SEL448X
WARNING CHIME
Trouble Diagnoses
EL-117

Trouble DiagnosesNJEL0505SYMPTOM CHARTNJEL0505S02
REFERENCE PAGE (EL- ) 188 189 190 191 193 194 195
SYMPTOM
Main power supply and ground circuit check
Door lock/unlock switch check
Door key cylinder switch check
Door lock actuator check
Door switch check
Door unlock sensor check
Key switch check
1Power door lock does not operate using any
switch.XX
2Power door lock does not operate with lock/
unlock switch.X
3Power door lock does not operate with door key
cylinder switch.X
4 Specific door lock actuator does not operate. X
5 *Key reminder system does not operate. X X X
X: Applicable
*: Make sure the power door lock system operates properly.
POWER DOOR LOCK
Trouble Diagnoses
EL-187

SYMPTOM CHARTNJEL0477S02
REFERENCE PAGE (EL- ) 209 210 211 212 214 215 216 217 218 219 219
SYMPTOM
Main power supply and ground circuit check
Door lock/unlock switch check
Door key cylinder switch check
Door lock actuator check
Super lock actuator check
Door switch check
Door unlock sensor check
NATS release signal check
Key switch check
Ignition switch ªONº circuit check
Remote controller signal check
1Power door lock does not operate
using any switch.XX
2Power door lock does not operate
with lock/unlock switch.X
3Power door lock does not operate
with door key cylinder switch.X
4Specific door lock actuator does
not operate.X
5Super lock cannot be set by door
key cylinder.XX XX
6*Super lock cannot be released
by door key cylinder.XX
7*Super lock cannot be released
by ignition key switch. (Signal
from NATS IMMU)XXX
8Specific super lock actuator does
not operate.X
9*Key reminder system does not
operate.XX X
10Super lock cannot be set/released
by using multi-remote controller.XX
X: Applicable
*: Make sure the power door lock system operates properly.
POWER DOOR LOCK Ð SUPER LOCK Ð
Trouble Diagnoses (Cont'd)
EL-208

Trouble DiagnosesNJEL0482SYMPTOM CHARTNJEL0482S01NOTE:
Always check remote controller battery before replacing remote
controller.
Symptom Diagnoses/service procedureReference
page
(EL- )
No doors can be locked or unlocked by remote
control operation.
(Make sure that power door lock operates prop-
erly. If NG, check power door lock.)1. Remote controller battery check 224
2. Power supply and ground circuit for time control unit check 225
3. Replace remote controller. Refer to ID Code Entry Procedure. 227
The new ID of remote controller cannot be
entered.1. Remote controller battery check 224
2. Power supply and ground circuit for time control unit check 225
3. Ignition ªONº power supply circuit for time control unit 226
4. Replace remote controller. Refer to ID Code Entry Procedure. 227
Hazard reminder does not activate properly when
pressing lock or unlock button of remote controller.1. Remote controller battery 224
2. Hazard reminder check 226
3. Replace remote controller. Refer to ID Code Entry Procedure. 227
MULTI-REMOTE CONTROL SYSTEM
Trouble Diagnoses
EL-223