Description
The switch that changes the power supply position. BCM maintains the power supply position status. BCM changes the power supply position with the operation of the push-button ignition switch.
DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Start the engine and wait for at least 100 seconds.
Check "Self Diagnostic Result" with CONSULT.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-147, "Wiring Diagram" or SEC-128, "Wiring Diagram".
1.CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
Turn ignition switch OFF.
Disconnect push-button ignition switch harness connector.
Check voltage between push-button ignition switch harness connector M38 terminal 4 and ground.


2.CHECK PUSH-BUTTON IGNITION SWITCH
Refer to SEC-47, "Component Inspection".
3.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
Inspection End.
4.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT FOR SHORT
Disconnect BCM harness connector and IPDM E/R harness connector.
Check continuity between push-button ignition switch harness connector M38 terminal 4 and ground.


Component Inspection
1.CHECK PUSH-BUTTON IGNITION SWITCH
Turn ignition switch OFF.
Disconnect push-button ignition switch harness connector.
Check continuity between push-button ignition switch terminals under the following conditions.


B2555 stop lamp
B2557 vehicle speedWindshield glass
Exploded View
Windshield glass
Spacer
Mirror base
Adhesive
Primer
Windshield molding
Metal roof
Dual Panel Sunroof
Front pillar
Cowl top
Rubber dam G.
16 mm (0.63 in) for top and sides 25 mm
(0.98 in) for bottom
12 + 2, - 0 mm (0.47 + 0.08 - 0 in)
&n ...
Front fog lamp system
Wiring Diagram
...
P1612 chain of ECM-IMMU
Description
BCM performs the ID verification with ECM that allows the
engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGIC ...