Security System With Intelligent Key System

B261A PUSH-BUTTON IGNITION SWITCH





DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Body Control System With Intelligent Key System.
- If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Body Control System With Intelligent Key System.






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press push-button ignition switch for 1 second under the following condition.

CVT models
- Selector lever: In the P position
- Brake pedal: Not depressed

M/T models
- Shift lever: In the Neutral position
- Clutch pedal: Not depressed
2. Release push-button ignition switch and wait 1 second.
3. Check DTC in "Self diagnostic result" mode of "BCM" using CONSULT-III.
Is DTC detected?
YES - Go to SEE Diagnosis Procedure
NO - INSPECTION END




Diagnosis Procedure
1.CHECK PUSH-BUTTON IGNITION SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check voltage between push-button ignition switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - GO TO 3.
2.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 1
1. Disconnect IPDM E/R connector.
2. Check continuity between push-button ignition switch harness connector and IPDM E/R harness connector.





3. Check continuity between push-button ignition switch harness connector and ground.





Is the inspection result normal?
YES - Replace IPDM E/R. IPDM E/R (With I-Key).
NO - Repair harness or connector.
3.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 2
1. Disconnect BCM connector.
2. Check continuity between push-button ignition switch harness connector and BCM harness connector.





3. Check continuity between push-button ignition 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. Removal And Installation With Intelligent Key System.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
- INSPECTION END