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
Body Control System.
- If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
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 .
NO- INSPECTION END


Diagnosis Procedure


1. REPLACE BCM

1.Replace BCM. Service and Repair.
2.Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Does the engine start?
YES- INSPECTION END
NO- GO TO 2.

2. REPLACE ECM

1.Replace ECM. Service and Repair (VQ-37VHR), Service and Repair (VK-56VD).
2.Perform "ADDITIONAL SERVICE WHEN REPLACING ECM". Work Procedure
(VQ-37VHR), Work Procedure (VK-56VD).
- INSPECTION END