B2193

B2193 CHAIN OF ECM-IMMU

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
"DTC Logic" Body Control System.
- If DTC B2193 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.Turn ignition switch ON.
2.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. 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.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES- INSPECTION END
NO- GO TO 2.

2. REPLACE ECM

1.Replace ECM. Refer to "Removal and Installation" For USA and Canada.
2.Perform "ADDITIONAL SERVICE WHEN REPLACING ECM". Refer to "Work Procedure" For USA and Canada.
- INSPECTION END