Sedan With Intelligent Key

B2190, P1610 NATS ANTENNA AMP





Description
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits starting of the engine when an unregistered ID of Intelligent Key is used.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Insert Intelligent Key into the key slot.
2. Check "Self Diagnostic Result" with CONSULT-III.
Is DTC detected?
YES - Refer to Sedan With Intelligent Key.
NO - GO TO 2
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch.
2. Check "Self Diagnostic Result" with CONSULT-III.
Is DTC detected?
YES - Refer to Sedan With Intelligent Key.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, refer to NVIS - With Intelligent Key System.
1. INSPECTION START
Check the case in which DTC is detected.
- Case1: It is detected when Intelligent Key is inserted into key slot.
- Case2: It is detected after Intelligent Key is inserted into key slot and push-button ignition switch is pressed.
In which case is DTC detected?
Case1. - GO TO 2
Case2. - GO TO 4
2.CHECK KEY SLOT INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect key slot harness connector.





3. Check voltage between key slot harness connector and ground.





Is the inspection result normal?
YES - Replace key slot. Refer to Sedan With Intelligent Key.
NO - GO TO 3
3.CHECK KEY SLOT CIRCUIT
1. Disconnect BCM harness connector.





2. Check continuity between key slot harness connector M40 (A) terminal 2 and BCM harness connector M19 (B) terminal 68.





3. Check continuity between key slot harness connector M40 (A) terminal 2 and ground.





Is the inspection result normal?
YES - GO TO 8
NO - Repair harness or connector.
4.CHECK PUSH-IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn to ON?
YES - GO TO 5
NO - GO TO 7
5.CHECK KEY SLOT COMMUNICATION SIGNAL
1. Turn ignition switch OFF.
2. Disconnect key slot harness connector.





3. Check voltage between key slot harness connector and ground.





Is the inspection result normal?
YES - Replace key slot. Refer to Sedan With Intelligent Key.
NO - GO TO 6
6.CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
1. Disconnect BCM harness connector.





2. Check continuity between key slot harness connector M40 (A) terminal 3 and BCM harness connector M19 (B) terminal 69.





3. Check continuity between key slot harness connector M40 (A) terminal 3 and ground.





Is the inspection result normal?
YES - GO TO 8
NO - Repair harness or connector.
7.CHECK KEY SLOT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key slot harness connector.





3. Check continuity between key slot harness connector and ground.





Is the inspection result normal?
YES - GO TO 8
NO - Repair harness or connector.
8.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- Inspection End.