P1697

P1697

Component Location:

General Description
In immobilizer system, scantool is mainly used for diagnosis. besides this, registration of key and neutralization of SMARTRA and PCM/ECM is executed by scantool. For PCM/ECM communicate with other components such as SMARTRA and scantool by changing type of communication through just one line, Kline communication between scantool and PCM/ECM is unavailable while communication between PCM/ECM and SMARTRA is in progress.

DTC Description
The ECM sets DTC P1696 if Request from Tester is Invalid

DTC Detecting Condition:

Schematic Diagram (Part 1):

Schematic Diagram (Part 2):

Monitor Scantool Data
1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF"
3. Select "Diagnostic Trouble Codes (DTCs)" mode and monitor "DTC Status" parameter
4. Is the DTC P1697 present?

YES - Go to "Inspection & Repair" procedure

NO - Fault is intermittent caused by poor contact in 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.

Component Inspection
1. Check communication between ECM and scantool
1. IGN "ON" & Engine "OFF"
2. Connect scantool to Data Link Connector (DLC)
3. Erase the DTC and Monitor Parameter of immobilizer on the Scantool.






4. Is the communication between ECM and scantool normal?

YES - If ECM is in "Locked by Timer" status. Keep "KEY ON" status for 1 hours to withdraw "Locked by Timer" status. Then repair or replace as necessary and go to "Verification of Vehicle Repair" procedure.

NO - Substitute with a known-good scantool and check for proper operation. If the problem is corrected, 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 scantool and select "Diagnostic Trouble Codes (DTCs)" mode and then clear DTC
2. Operate the vehicle and monitor the DTC on the scantool
3. Are any DTCs present?

YES - Go to the applicable troubleshooting procedure

NO - System is performing to specification at this time.