B26FA

B26FA CRANKING REQUEST CIRCUIT

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC B26FA is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
With Intelligent Key System.
- If DTC B26FA is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
With Intelligent Key System.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION

1.Perform DTC CONFIRMATION PROCEDURE for DTC P1650. P1650.
2.Turn ignition switch ON.
3.Check DTC in "Self Diagnostic Result" mode of "BCM" using CONSULT.
Is DTC detected?
YES- Go to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK CRANKING REQUEST SIGNAL

1.Turn ignition switch ON.
2.Check voltage between BCM harness connector and ground under the following conditions.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK CRANKING REQUEST SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BCM connector.
3.Disconnect ECM connector.
4.Check continuity between BCM harness connector and ECM harness connector.





5.Check continuity between BCM harness connector and ground.





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

3. REPLACE BCM

1.Replace BCM. Service and Repair.
2.Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
3.Perform DTC CONFIRMATION PROCEDURE for DTC B26FA. .
Is DTC detected?
YES- GO TO 4.
NO- INSPECTION END

4. REPLACE ECM

Replace ECM.
Service and Repair.
- INSPECTION END