Nissan Primera P12. Instruction — part 14
TROUBLE DIAGNOSIS
ATC-49
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FUNCTION CONFIRMATION PROCEDURE
1.
SET IN SELF-DIAGNOSTIC MODE
Method 1 (Without navigation system, or with navigation system)
1.
Turn ignition switch to ON.
2.
Within 10 seconds after starting engine (ignition switch is turned ON.), press and hold OFF switch for at
least 5 seconds.
3.
The self-diagnosis (step 1) should start.
Method 2 (Only with navigation system)
1.
Turn OFF the audio system.
2.
While pressing “Vehicle Information” switch, turn audio switch (volume adjustment dial) by at least 30
notches.
3.
Trouble diagnosis initial screen appears. Using joystick, select “Confirmation and Adjustment”. And press
“Confirm”.
4.
Confirmation and adjustment initial screen appears. Using joystick, select “Air-conditioner trouble diagno-
sis”, and press “Confirm” to start self-diagnosis (step 1).
CAUTION:
-If battery voltage drops below 12V during step diagnosis 3, actuator speed becomes slower and as a
result, the system may generate an error even when operation is normal. To avoid this, start engine
before performing this diagnosis.
>> GO TO 2.
2.
STEP 1 - LEDS AND DISPLAY ARE CHECKED
Check LEDs illuminate and display screen.
OK or NG
OK
>> GO TO 3.
NG
>> Malfunctioning OFF switch or LEDs.
>> Check multi-function switch.
RJIA0753E
ATC-50
TROUBLE DIAGNOSIS
3.
CHECK TO ADVANCE SELF-DIAGNOSIS STEP 2
1.
Turn the temperature dial clockwise.
2.
Advance to self-diagnosis STEP 2?
Yes or No
Yes
>> GO TO 4.
No
>> Malfunctioning temperature dial.
>> Check multi-function switch.
4.
CHECK TO RETURN SELF-DIAGNOSIS STEP 1
1.
Turn the temperature dial counterclockwise.
2.
Return to self-diagnosis STEP 1?
Yes or No
Yes
>> GO TO 5.
No
>> Malfunctioning temperature dial.
>> Check multi-function switch.
5.
STEP 2 - SENSOR CIRCUITS ARE CHECKED FOR OPEN OR SHORT CIRCUIT
1.
Turn the temperature dial clockwise.
2.
Does code No. 20 appear on the display?
Yes or No
Yes
>> GO TO 6.
No
>> GO TO 14.
6.
STEP 3 - MODE DOOR AND INTAKE DOOR POSITIONS ARE CHECKED
1.
Turn the temperature dial clockwise.
2.
Does code No. 30 appear on the display?
Yes or No
Yes
>> GO TO 7.
No
>> GO TO 15.
7.
STEP 4 - OPERATION OF EACH ACTUATOR IS CHECKED
1.
Turn the temperature dial clockwise.
2.
Press DEF switch, code No. of each actuator test is indicated on
the display.
>> GO TO 8.
RJIA0219E
RJIA0220E
RJIA1114E
TROUBLE DIAGNOSIS
ATC-51
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ATC
8.
CHECK ACTUATORS
Refer to the following chart and confirm discharge air flow, air tem-
perature, blower motor voltage and compressor operation.
Checks must be made visually, by listening to any noise, or by touching air outlets with your hand, etc. for
improper operation.
OK or NG
OK
>> GO TO 9.
NG
>>
●
Air outlet does not change.
Go to
ATC-64, "Mode Door Motor Circuit"
.
●
Intake door does not change.
Go to
ATC-70, "Intake Door Motor Circuit"
.
●
Blower motor operation is malfunctioning.
Go to
ATC-73, "Blower Motor Circuit"
.
●
Magnet clutch does not engage.
Go to
ATC-79, "Magnet Clutch Circuit"
.
●
Discharge air temperature does not change.
Go to
ATC-67, "Air Mix Door Motor Circuit"
.
9.
STEP 5 - TEMPERATURE OF EACH SENSOR IS CHECKED
1.
Turn the temperature dial clockwise.
2.
Code No. 51 appears on the display.
>> GO TO 10.
RHA654FI
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Mode door position
VENT
B/L
B/L
FOOT
D/F
DEF
Intake door position
REC
REC
20% FRE
FRE
FRE
FRE
Air mix door position
FULL COLD
FULL COLD
FULL HOT
FULL HOT
FULL HOT
FULL HOT
Blower fan
Approx. 4.5V
Approx. 10.5V
Approx. 8.5V
Approx. 8.5V
Approx. 8.5V
Approx. 12V
Compressor
ON
ON
OFF
OFF
ON
ON
ATC-52
TROUBLE DIAGNOSIS
10.
CHECK AMBIENT SENSOR
Press
(DEF) switch one time, temperature detected by ambient
sensor is indicated on the display.
NOTE:
If temperature shown on display greatly differs from actual tempera-
ture, check sensor circuit first, then inspect sensor.
OK or NG
OK
>> GO TO 11.
NG
>> Go to
ATC-100, "Ambient Sensor Circuit"
.
11.
CHECK IN-VEHICLE SENSOR
Press
(DEF) switch the second time, temperature detected by in-
vehicle sensor is indicated on the display.
NOTE:
If temperature shown on display greatly differs from actual tempera-
ture, check sensor circuit first, then inspect sensor.
OK or NG
OK
>> GO TO 12.
NG
>> Go to
ATC-102, "In-vehicle Sensor Circuit"
.
12.
CHECK INTAKE SENSOR
Press
(DEF) switch the third time, temperature detected by
intake sensor is indicated on the display.
NOTE:
If temperature shown on display greatly differs from actual tempera-
ture, check sensor circuit first, then inspect sensor.
OK or NG
OK
>> GO TO 13.
NG
>> Go to
ATC-108, "Intake Sensor Circuit"
.
13.
CHECK MULTIPLEX COMMUNICATION ERROR
1.
Press REC (Recirculation) switch.
2.
Multiplex communication error between AV AND NAVI CON-
TROL UNIT and auto amp. is detected.
(If plural errors occur, the display of each error will blink two times for
0.5 second intervals.)
OK or NG
OK
>> 1. Turn ignition switch OFF or (AUTO) switch ON.
2. END
NG
>> Go to
ATC-110, "Multiplex Communication Circuit"
.
RJIA0755E
RJIA0758E
RJIA0760E
RJIA0754E
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