THEFT DETERRENT / KEYLESS ENTRY IMMOBILISER SYSTEM(w/ Smart Entry and Start System) HOW TO PROCEED WITH TROUBLESHOOTING
CAUTION / NOTICE / HINT
- HINT:
- ·
Use this procedure to troubleshoot the immobiliser system (w/ Smart Entry and Start System).
·*: Use the GTS.
PROCEDURE
- Result:
Proceed to NEXT
NEXT
- HINT:
- ·
In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
·Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
·The following 5 items are important points for problem analysis:
What Vehicle model, system name When Date, time, occurrence frequency Where Whether the problem occurs at a specific location Under what conditions? Whether the doors were locked or unlocked, whether the engine switch was on, whether the engine was running How did it happen? Problem symptoms
- Result:
Proceed to NEXT
NEXT
Measure the battery voltage.
- Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
- HINT:
-
A simple method to determine whether the battery is discharged is to operate the horn.
- Result:
Proceed to NEXT
NEXT
- HINT:
-
When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
- Result:
Proceed to NEXT
NEXT
Using the GTS, check for CAN communication system DTCs.
Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>DIAGNOSIS SYSTEM
- Result:
Result Proceed to CAN DTCs are not output A CAN DTCs are output B
A
B
Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING
Using the GTS, check for LIN communication system DTCs.
Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM>DTC CHECK / CLEAR
- Result:
Result Proceed to LIN DTCs are not output A LIN DTCs are output B
A
B
Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING
Check for DTCs and make a note of any codes that are output.
- Body Electrical > Entry&Start > Trouble Codes
- 50001 125
- Powertrain > Engine and ECT > Trouble Codes
- 50001 234
Based on the DTCs output above, proceed to each diagnostic procedure.
- Result:
Result Proceed to DTCs are not output A SFI system DTCs are output B Steering lock system DTCs are output C Immobiliser system DTCs are output D
A
B
C
D
Refer to Problem Symptoms Table.
- Result:
Result Proceed to Fault is not listed in Problem Symptoms Table A Fault is listed in Problem Symptoms Table B
A
B
Data List / Active Test
- Result:
Proceed to NEXT
NEXT
- HINT:
-
If the certification ECU (smart key ECU assembly), ID code box ECU (immobiliser code ECU), steering lock ECU (steering lock actuator assembly), ECM, or electrical key transmitter sub-assembly are replaced, refer to Service Bulletin.
- Result:
Proceed to NEXT
NEXT
Clear the DTCs.
- Body Electrical > Entry&Start > Clear DTCs
- 50002 125
- Powertrain > Engine and ECT > Clear DTCs
- 50002 234
Check for DTCs.
- Body Electrical > Entry&Start > Trouble Codes
- 50001 125
- Powertrain > Engine and ECT > Trouble Codes
- 50001 234
- HINT:
-
Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.
- Result:
Result Proceed to DTCs are not output A Immobiliser system DTCs are output B
A
B