RM38T0EC _58 Vehicle Interior _115230 THEFT DETERRENT / KEYLESS ENTRY _0512195 IMMOBILISER SYSTEM(w/o Smart Entry and Start System) Y

THEFT DETERRENT / KEYLESS ENTRY  IMMOBILISER SYSTEM(w/o Smart Entry and Start System)  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use the following procedure to troubleshoot the immobiliser system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
NEXT



NEXT

2.CUSTOMER PROBLEM ANALYSIS
2.CUSTOMER PROBLEM ANALYSIS
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 ignition switch was on, whether the engine was running
How did it happen? Problem symptoms



Result:
Proceed to
NEXT



NEXT

3.INSPECT AUXILIARY BATTERY VOLTAGE
3.INSPECT AUXILIARY BATTERY VOLTAGE
a.

Measure the auxiliary battery voltage.

Standard Voltage:

11 to 14 V


If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.


Result:
Proceed to
NEXT



NEXT

4.CRANK ENGINE FOR MORE THAN 10 SECONDS
4.CRANK ENGINE FOR MORE THAN 10 SECONDS
Result:
Proceed to
NEXT



NEXT

5.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
5.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

Result:
Result Proceed to
CAN DTCs are not output A
CAN DTCs are output B



A

6.CHECK FOR DTC* (ECM)

B

6.CHECK FOR DTC* (ECM)
a.

Check for DTCs and note any codes that are output.

HINT:

Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.


Powertrain > Engine > Trouble Codes
50001 372

Result:
Result Proceed to
DTCs are not output A
SFI system DTCs are output B
Immobiliser system DTCs are output C



A

7.CHECK FOR DTC* (TRANSPONDER KEY ECU ASSEMBLY)

B

C

7.CHECK FOR DTC* (TRANSPONDER KEY ECU ASSEMBLY)
a.

Check for DTCs and note any codes that are output.

Body Electrical > Immobiliser > Trouble Codes
50001 260
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

8.PROBLEM SYMPTOMS TABLE

B

8.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

9.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

10.REPAIR OR REPLACE
10.REPAIR OR REPLACE
HINT:

If the transponder key ECU assembly, ECM, or door control transmitter assembly are replaced, refer to Service Bulletin.


Result:
Proceed to
NEXT



NEXT

11.CHECK FOR DTC*
11.CHECK FOR DTC*
a.

Clear the DTCs.

Body Electrical > Immobiliser > Clear DTCs
50002 260
Powertrain > Engine > Clear DTCs
50002 372

b.

Check for DTCs.

Body Electrical > Immobiliser > Trouble Codes
50001 260
Powertrain > Engine > Trouble Codes
50001 372
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

END

B