B2630

B2630, B2631 SUNLOAD SENSOR

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC82, "DTC Logic" or "DTC Logic" Control Unit.
- Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient.
When performing the diagnosis indoors, light the sunload sensor with a lamp (60W or more).






DTC CONFIRMATION PROCEDURE


1. CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT

1.Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
2.Check if any DTC No. is displayed in the self-diagnosis results.
NOTE:
- If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC82, "DTC Logic" or "DTC Logic" Control Unit.
- Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient.
When performing the diagnosis indoors, light the sunload sensor with a lamp (60W or more).
Is DTC No."B2630" or "B2631" displayed?
YES- Perform trouble diagnosis for the sunload sensor. Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" [1][2]Electrical Diagrams.

1. CHECK SUNLOAD SENSOR POWER SUPPLY

1.Disconnect sunload sensor connector.
2.Turn ignition switch ON.
3.Check voltage between sunload sensor harness connector M101 terminal 1 and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 4.

2. CHECK CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.

1.Turn ignition switch OFF.
2.Disconnect A/C auto amp. connector.
Revision: March 20122013 Infiniti JX
3.Check continuity between sunload sensor harness connector M101 terminal 2 and A/C auto amp. harness connector M50 terminal 26.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair harness or connector.

3. CHECK SUNLOAD SENSOR

1.Reconnect sunload sensor connector and A/C auto amp. connector.
2.Check sunload sensor. Refer to "Component Inspection" .
Is the inspection result normal?
YES- Replace A/C auto amp. Refer to "Removal and Installation" Removal and Installation.
NO- Replace sunload sensor. Refer to "Removal and Installation" Service and Repair.

4. CHECK CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.

1.Turn ignition switch OFF.
2.Disconnect A/C auto amp. connector.
3.Check continuity between sunload sensor harness connector M101 terminal 1 and A/C auto amp. harness connector M50 terminal 9.





4.Check continuity between sunload sensor harness connector M101 terminal 1 and ground.





Is the inspection result normal?
YES- Replace A/C auto amp. Refer to "Removal and Installation" Removal and Installation.
NO- Repair harness or connector.


Component Inspection


1. CHECK SUNLOAD SENSOR

1.Turn ignition switch ON.
2.Check voltage between A/C auto amp. harness connector and ground.





Revision: March 20122013 Infiniti JX





NOTE:
Select a place in direct sunlight when checking sunload sensor.
Is the inspection result normal?
YES- Inspection End.
NO- Replace sunload sensor. Refer to "Removal and Installation" Service and Repair.
Revision: March 20122013 Infiniti JX