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

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Insert Intelligent Key into the key slot.
Check "Self Diagnostic Result" with CONSULT.
2.PERFORM DTC CONFIRMATION PROCEDURE
Press the push-button ignition switch.
Check "Self Diagnostic Result" with CONSULT.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-147, "Wiring Diagram".
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
Turn ignition switch OFF.
Disconnect key slot harness connector.
Check voltage between key slot harness connector M40 terminal 2 and ground.


3.CHECK KEY SLOT CIRCUIT
Disconnect BCM harness connector.
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.

4.CHECK PUSH-IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
5.CHECK KEY SLOT COMMUNICATION SIGNAL
Turn ignition switch OFF.
Disconnect key slot harness connector.
Check voltage between key slot harness connector M40 terminal 3 and ground.


6.CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
Disconnect BCM harness connector.
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.

7.CHECK KEY SLOT GROUND CIRCUIT
Turn ignition switch OFF.
Disconnect key slot harness connector.
Check continuity between key slot harness connector M40 terminal 7 and ground.


8.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
Inspection End.
U1010 control unit (CAN)
P1611 ID discord, IMMU-ECMP1564 ASCD steering switch
Description
ASCD steering switch has variant values of electrical resistance for each
button. ECM reads voltage variation
of switch, and determines which button is operated.
Refer to EC-68, "System Diagram" for the ASCD function.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P156 ...
Power supply and ground circuit
BCM
BCM : Diagnosis Proce
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blow
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Check con ...
System description
ENGINE CONTROL SYSTEM
System Diagram
System Description
ECM performs various controls such as fuel injection control and ignition
timing control.
Component Parts Location
Intake valve timing control solenoid
valve (bank 1)
Electronic controlled engine mount
control solenoid ...