P1610

DTC P1610 NON-IMMOBILIZER-EMS CONNECTED TO AN IMMOBILIZER

GENERAL DESCRIPTION
The ECM and the SMARTRA communicate by dedicated line. During this communication of ECM and SMARTRA the K line of ECM cannot be used for communication. The ECM controls the communication either to SMARTRA or to other devices(e.g. scanner) on K line by switching of a multiplexer and specific communication procedures. The multiplexer is a part of ECM hard ware.

DTC DESCRIPTION
This DTC indicates that the vehicle which has a immobilizer system is equipped with non immobilizer ECM.

DTC Detecting Condition:

MONITOR SCANTOOL DATA
1. Ignition "ON" & Engine "OFF".
2. Connect Scan tool and clear the DTCs.
3. Is the DTC "PI610 Non immobilizer ECU" displayed?

YES - Replace ECM which has a immobilizer system and perform key teaching. And then go to "Verification of Vehicle Repair" procedure.

NO
- Fault is intermittent caused by poor contact in the SMARTRA's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

VERIFICATION OF VEHICLE REPAIR
After a repair, it is essential to verify that the fault has been corrected.
1. Connect scan tool and monitor CURRENT DATA to check No. of Learnt key, ECM and KEY status.
2. Select "Diagnostic Trouble Codes(DTCs)" mode and Clear the DTCs.
3. Are any DTCs present?

YES - Go to the applicable troubleshooting procedure.

NO - System is performing to specification at this time.