B262B

B262A, B262B, B2657, B2658 EXHAUST GAS/OUTSIDE ODOR DETECTING SENSOR

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to HAC82, "DTC Logic".
- If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. "DTC Logic" Control Unit.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT
1.Turn ignition switch ON.
2.Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
3.Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

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

1. CHECK FUSE

1.Turn ignition switch OFF.
2.Check 10A fuse [No. 30, located in fuse block (J/B)]
NOTE:
Refer to "Terminal Arrangement" Fuse Block - Junction Box (J/B).
Is the inspection result normal?
YES- GO TO 2.
NO- If a fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2. CHECK EXHAUST GAS / OUTSIDE ODOR DETECTING SENSOR POWER SUPPLY

1.Turn ignition switch OFF.
2.Disconnect exhaust gas / outside odor detecting sensor connector.
3.Turn ignition switch ON.
4.Check voltage between exhaust gas / outside odor detecting sensor harness and ground.
Revision: March 20122013 Infiniti JX





Is the inspection result normal?
YES- GO TO 3.
NO- Repair harness or connector between exhaust gas / outside odor detecting sensor and fuse block (J/B).

3. CHECK EXHAUST GAS / OUTSIDE ODOR DETECTING SENSOR GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between exhaust gas / outside odor detecting sensor harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair harness or connector.

4. CHECK EXHAUST GAS / OUTSIDE ODOR DETECTING SENSOR SIGNAL CIRCUIT

1.Turn ignition switch ON.
2.Check voltage between exhaust gas / outside odor detecting sensor harness connector and ground.





Is the inspection result normal?
YES- Replace exhaust gas / outside odor detecting sensor. Refer to "Removal and Installation" Service and Repair.
NO- GO TO 5.

5. CHECK EXHAUST GAS / OUTSIDE ODOR DETECTING SENSOR SIGNAL CIRCUIT FOR OPEN

1.Turn ignition switch OFF.
2.Disconnect A/C auto amp.connector.
3.Check continuity between exhaust gas / outside odor detecting sensor harness connector and A/C auto amp. connector.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair harness or connector.

6. CHECK EXHAUST GAS / OUTSIDE ODOR DETECTING SENSOR SIGNAL CIRCUIT FOR GROUND

SHORT
Check continuity between exhaust gas / outside odor detecting sensor harness connector and ground.
Revision: March 20122013 Infiniti JX





Is the inspection result normal?
YES- GO TO 7.
NO- Repair harness or connector.

7. CHECK EXHAUST GAS / OUTSIDE ODOR DETECTING SENSOR SIGNAL CIRCUIT FOR POWER

SHORT
Check voltage between exhaust gas / outside odor detecting sensor harness 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.
Revision: March 20122013 Infiniti JX