NISSAN ALMERA N16 2003 Electronic Repair Manual

TROUBLE DIAGNOSIS
ATC-111
C
D
E
F
G
H
I
K
L
MA
B
AT C
2.CHECK CIRCUIT CONTINUITY BETWEEN AUTO AMP. AND DISPLAY (OR AV AND NAVI CONTROL
UNIT)
Disconnect DISPLAY (or AV AND NAVI CONTROL UNIT) and auto amp. connector.
Without navigation system
With navigation system
OK or NG
OK >> Reconnect DISPLAY (OR AV AND NAVI CONTROL UNIT) and auto amp. connector. And GO TO
3.
NG >> Repair harness or connector.
3.CHECK FOR AUTO AMP. INPUT
Confirm multiplex communication signal using an oscilloscope.
OK or NG
OK >> INSPECTION END
NG >> GO TO 4.
Terminal
Continuity (+) (-)
DISPLAY
connectorTerminal No.
(Wire color)Auto amp.
connectorTerminal No.
(Wire color)
M9914 (L/W)
M2049 (L/W)
Ye s
16 (L) 20 (L)
Terminal
Continuity (+) (-)
AV AND NAVI
CONTROL
UNIT connectorTerminal No.
(Wire color)Auto amp.
connectorTe r m i n a l N o .
(Wire color)
M9644 (L/W)
M2049 (L/W)
Ye s
45 (L) 20 (L)
RJIA1717E
Te r m i n a l
Voltage
Auto amp.
connectorTerminal No.
(Wire color)
M204 10 (L/R)
RJIA0213E

ATC-112
TROUBLE DIAGNOSIS
4. CHECK CIRCUIT CONTINUITY BETWEEN DISPLAY (OR AV AND NAVI CONTROL UNIT) AND AUTO
AMP.
Disconnect DISPLAY (or AV AND NAVI CONTROL UNIT) and auto amp. connector.
Without navigation system
With navigation system
OK or NG
OK >> Replace auto amp.
NG >> Repair harness or connector.
RJIA1718E
Terminal
Continuity (+) (-)
DISPLAY con-
nectorTerminal No.
(Wire color)Auto amp.
connectorTerminal No.
(Wire color)
M99 13 (L/R) M204 10 (L/R) Yes
Terminal
Continuity (+) (-)
AV AND NAVI
CONTROL
UNIT connec-
torTerminal No.
(Wire color)Auto amp.
connectorTerminal No.
(Wire color)
M96 43 (L/R) M204 10 (L/R) Yes

CONTROLLER
ATC-113
C
D
E
F
G
H
I
K
L
MA
B
AT C
CONTROLLERPFP:27500
Removal and InstallationEJS00200
1. Remove cluster lid C. Refer to BT-25, "INSTRUMENT PANEL ASSEMBLY".
2. Remove harness connectors.
3. Remove multifunction switch.

ATC-114
AUTO AMP
AUTO AMP
PFP:27760
REMOVAL AND INSTALLATIONEJS00201
1. Remove the instrument lower assist panel.
2. Remove the auto amp. fixing screw.
3. Disconnect the auto amp. connector, then remove the auto amp.
RJIA0190E

AMBIENT SENSOR
ATC-115
C
D
E
F
G
H
I
K
L
MA
B
AT C
AMBIENT SENSORPFP:27722
Removal and InstallationEJS00202
1. Disconnect ambient sensor connector.
2. Remove the ambient sensor.
RJIA1712E

ATC-116
IN-VEHICLE SENSOR
IN-VEHICLE SENSOR
PFP:27720
Removal and InstallationEJS00203
1. Remove the instrument lower driver panel.
2. Remove the in-vehicle sensor.
RJIA1719E

SUNLOAD SENSOR
ATC-117
C
D
E
F
G
H
I
K
L
MA
B
AT C
SUNLOAD SENSORPFP:27721
Removal and InstallationEJS00204
1. Remove the sunload sensor garnish.
2. Remove the sunload sensor.
RJIA1732E

ATC-118
INTAKE SENSOR CIRCUIT
INTAKE SENSOR CIRCUIT
PFP:27723
Removal and InstallationEJS00205
1. Use the refrigerant collecting equipment (for HFC-134a), to dis-
charge the refrigerant from A/C system.
2. Disconnect low-pressure flexible hose and high-pressure pipe
from the evaporator.
CAUTION:
Cap or wrap the joint of the low-pressure flexible hose and
the high-pressure pipe with a suitable tool such as a vinyl
tape to avoid the entry of air.
3. Hold expansion valve and move it slightly upward. Push evapo-
rator toward rear of vehicle.
4. Remove the drain hose and lower case mounting screw.
5. Swivel rear of lower case toward passenger seat to remove
lower case.
6. Remove the intake sensor from evaporator.
RJIA1720E
RJIA0189E
RJIA0166E

BLOWER UNIT
ATC-119
C
D
E
F
G
H
I
K
L
MA
B
AT C
BLOWER UNITPFP:27200
Removal and InstallationEJS00206
REMOVAL
1. Remove the glove box assembly.
2. Remove the glove box cover and instrument lower assist panel.
3. Remove the ECM with ECM bracket.
4. Remove the blower unit fixing bolt and screw.
5. Disconnect the blower motor connector, intake door motor con-
nector and auto amp. connector.
6. Remove the harness fixing clip.
7. Move the blower unit downwards.
CAUTION:
Slide the blower unit toward the passenger side, remove loca-
tion pins (2 pieces), then move it downwards.
8. Remove the blower unit.
INSTALLATION
CAUTION:
●Make sure the location pins (2 pieces) are securely installed.
Disassembly and AssemblyEJS00207
NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.
RJIA0167E
1. Auto amplifier 2. Screw 3. Cooling hose
4. Blower fan motor assembly 5. Washer 6. Blower fan
7. Nut 8. Screw 9. Intake bellmouth
10. Intake door lever 2 11. Intake door lever 1 12. Intake door link
13. Intake door motor 14. Screw 15. Upper case
16. Intake door 2 17. Intake door 1 18. Adapter assembly
19. Screw 20. Ventilation air filter 21. Filter cover
22. Screw 23. Bracket 24. Screw
25. Under cover clip 26. Screw
RJIA0168J

ATC-120
BLOWER MOTOR
BLOWER MOTOR
PFP:27226
Removal and InstallationEJS00208
1. Remove the blower unit. Refer to AT C - 11 9 , "Removal and Instal-
lation" .
2. Remove the auto amp.
3. Remove the blower unit fixing screw, then separate the blower
unit.
4. Remove the cooling hose and blower fan.
RJIA0169E
RJIA0356E