B26FF
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
1.Turn ignition switch ON.
2.Check DTC in "Self-Diagnostic Result" mode of "BCM" using CONSULT.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to "Wiring Diagram" Intelligent Key System.
1. CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1.Turn ignition switch OFF.
2.Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- GO TO 3.
2. CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1
1.Disconnect BCM and remote keyless entry receiver connectors.
2.Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
Revision: March 20122013 Infiniti JX
3.Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.
3. CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
Check voltage between remote keyless entry receiver harness connector and ground.
Is the inspection result normal?
YES- GO TO 4.
NO-1- Check 10A fuse No. 25 [located in fuse block J/B].
NO-2- Repair or replace harness between BCM and 10A fuse No. 25.
4. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver harness connector and ground.
Is the inspection result normal?
YES- Replace remote keyless entry receiver. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.
Revision: March 20122013 Infiniti JX