Nissan Qashqai J11. Manual - part 540
EC9-316
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1503 ACTIVE GRILLE SHUTTER
P1503 ACTIVE GRILLE SHUTTER
DTC Logic
INFOID:0000000010499304
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been preciously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE-1
1.
Turn ignition switch ON and wait at least 5 seconds.
2.
Check DTC.
Is the DTC detected?
YES
>> Proceed to
EC9-316, "Diagnosis Procedure"
.
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
1.
Start the engine and wait at least 60 seconds.
2.
Check DTC.
Is the DTC detected?
YES
>> Proceed to
EC9-316, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010499305
1.
CHECK DTC OF IPDM E/R
Check DTC of IPDM E/R.
Is any DTC detected?
YES
>> Perform trouble diagnosis for the detected DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM harness connector and active grille shutter harness connector connection.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1503
CONTROLLED AIR VENTS
INFORMATION
(Controlled air vents informa-
tion)
• 1.DEF: NO BUS SIGNAL
• 2.DEF: NO RESPONSE
FROM THE VALVE MO-
TOR
• 3.DEF: CLOSING OF AIR
INLET FLAP
• 4.DEF: FAULT ALERTED
VIA THE CONTROL UNIT
• 5.DEF: INITIALIZATION
NOT VALID
• 6.DEF: MECHANICAL
FAULT
• 7.DEF: NO SIGNAL SPE-
CIFIC SUBTYPE
• LIN communication error with active grille shutter
• Detects the malfunction of initial position learning
or operational malfunctions for specified times.
• Detects the temperature of active grille shutter ac-
tuator is more than 155
°
C (311
°
F) for more than 5
seconds for accumulation.
• Detects the temperature of active grille shutter ac-
tuator is more than 155
°
C (311
°
F) for more than
specified times.
• Harness or connectors
• Active grille shutter actuator