With Intelligent Key System

B261A POWER SWITCH

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
"DTC Logic" Body Control System.
- If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
"DTC Logic" Body Control System.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Press power switch for 1 second under the following conditions.
-Shift position: P
-Brake pedal: Not depressed
2.Release power switch and wait 1 second.
3.Check DTC in "Self Diagnostic Result" mode of "BCM" using CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure"
NO- INSPECTION END


Diagnosis Procedure


1. CHECK POWER SWITCH POWER SUPPLY CIRCUIT

1.Turn power switch OFF.
2.Disconnect power switch connector.
3.Disconnect IPDM E/R connector.
4.Check voltage between power switch harness connector and ground.





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

2. CHECK POWER SWITCH CIRCUIT 1

1.Check continuity between power switch harness connector and IPDM E/R harness connector.





2.Check continuity between power switch harness connector and ground.





Is the inspection result normal?
YES- Replace IPDM E/R. Refer to "Removal and Installation" Removal And Installation.
NO- Repair harness or connector.

3. CHECK POWER SWITCH CIRCUIT 2

1.Disconnect BCM connector.
2.Check continuity between power switch harness connector and BCM harness connector.





3.Check continuity between power switch harness connector and ground.





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

4. REPLACE BCM

1.Replace BCM. Refer to "Removal and Installation" Service and Repair.
2.Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
- INSPECTION END