Nissan Primera P12. Instruction — part 13
TROUBLE DIAGNOSIS
ATC-45
C
D
E
F
G
H
I
K
L
M
A
B
ATC
Auto Amp. Terminals and Reference Value
EJS002XU
Measure voltage between each terminal and ground by following
AUTO AMP. INSPECTION TABLE.
PIN CONNECTOR TERMINAL LAYOUT
AUTO AMP. INSPECTION TABLE
RJIA0750E
RJIA0751E
TERMI-
NAL NO.
WIRE
COLOR
ITEM
CONDITION
Voltage
(V)
1
OR/B
Intake sensor
-
-
-
2
W/G
Ambient sensor
-
-
-
3
OR/L
In-vehicle sensor
-
-
-
4
L/B
Speed sensor signal
IGN
ON
Speedometer: Approx. 40 km/h (25 MPH)
5
R/Y
LAN signal
IGN
ON
-
8
Y
HTA (FICD) switch
IGN
ON
When ambient temperature is more than
1
°
C
Approx. 0
When ambient temperature is less than
0
°
C
Approx. 12
ELF1080D
HAK0652D
ATC-46
TROUBLE DIAGNOSIS
9
L/W
Multiplex communication
(Tx) signal
A/C amp.
→
AV
IGN
ON
-
10
L/R
Multiplex communication
(Rx) signal
AV
→
A/C amp.
IGN
ON
-
11
B/Y
Sensor ground
IGN
ON
-
Approx. 0
12
OR
Sunload sensor
IGN
ON
-
-
17
PU/W
Water temperature sen-
sor signal
IGN
ON
Engine coolant temperature: Approx.
60
°
C
18
BR/W
Compressor feed back
signal
IGN
ON
A/C ON
-
Approx. 0
When refrigerant pres-
sure sensor connector is
disconnected.
Approx. 5
20
L
Multiplex communication
(CLK) signal
IGN
ON
-
21
G/Y
Power supply for mode
door, air mix door and
intake door motor
IGN
ON
-
Approx. 12
22
L/R
Compressor ON signal
IGN
ON
Compressor: ON
Approx. 0
Compressor: OFF
Approx. 5
24
B
Ground
IGN
ON
-
Approx. 0
26
R/B
Power supply for BATT
IGN
OFF
-
Approx. 12
27
Y/G
Power supply for IGN
IGN
ON
-
Approx. 12
29
LG/B
Fan ON signal
IGN
ON
Blower fan: ON
Approx. 0
Blower fan: OFF
Approx. 5
33
L/W
Power supply for ACC
IGN
ON
-
Approx. 12
TERMI-
NAL NO.
WIRE
COLOR
ITEM
CONDITION
Voltage
(V)
RJIA0212E
RJIA0213E
SKIA0056J
HAK0363D
TROUBLE DIAGNOSIS
ATC-47
C
D
E
F
G
H
I
K
L
M
A
B
ATC
34
L/B
Blower fan motor feed
back signal
IGN
ON
Fan speed: Instruction 1st
Approx. 8
35
L/Y
Fan control amp. control
signal
IGN
ON
Fan speed:
Instruction 1st - 4th speed
Approx. 2.5 - 3.5
Instruction 5th speed
Approx. 9.0
TERMI-
NAL NO.
WIRE
COLOR
ITEM
CONDITION
Voltage
(V)
ATC-48
TROUBLE DIAGNOSIS
Self-diagnosis Function
EJS002XV
DESCRIPTION
The self-diagnostic system diagnoses sensors, door motors, blower motor, etc. by system line. Refer to appli-
cable sections (items) for details. Shifting from usual control to the self-diagnostic system is accomplished by
starting the engine (turning the ignition switch from OFF to ON) and pressing OFF switch for at least 5 sec-
onds. The “OFF” switch must be pressed within 10 seconds after starting the engine (ignition switch is turned
ON). This system will be canceled by either pressing A/C switch or turning the ignition switch OFF. Shifting
from one step to another is accomplished by means of turning temperature dial, as required.
Additionally shifting from STEP 6 to AUXILIARY MECHANISM is accomplished by means of pushing
(fan)
UP switch.
RJIA0752E
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