Lexus IS250 · Service Manual SECURITIES

DATA LIST / ACTIVE TEST

System information


READ DATA LIST

HINT:
Using the intelligent tester's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

  1. Connect the intelligent tester to the DLC3.

  2. Turn the engine switch on (IG).

  3. Read the Data List.

Entry & Start: 
Item
Measurement Item/Display (Range)
Normal Condition
Diagnostic Note
IG SW
Engine switch on (IG) signal / ON or OFF
ON: Engine switch on (ACC, IG) or start
OFF: Engine switch off
-
ACC SW
Engine switch on (ACC) signal / ON or OFF
ON: Engine switch on (ACC, IG) or start
OFF: Engine switch off
-
Immobiliser
Immobiliser system status / SET or UNSET
SET: Key is not in cabin
UNSET: Key is in cabin
-
Master Key
Master key code signal / MATCH or NO MATCH
MATCH: Master key code is sent
NO MATCH: Unmatched master key code is sent
-
Sub Key
Sub-key (Master key) code signal / MATCH or NO MATCH
MATCH: Sub-key (master key) code is sent
NO MATCH: Unmatched sub-key (master key) code is sent
-
Encrypt Code
Transponder chip signal / OK or NG
OK: Correct data sent
NG: Incorrect data sent
-
Serial Number
Transponder chip signal / OK or NG
OK: Correct data sent
NG: Incorrect data sent
-
Frame
Transponder chip signal / OK or NG
OK: Correct data sent
NG: Incorrect data sent
-
Response
Transponder chip signal / OK or NG
OK: Correct data sent
NG: Incorrect data sent
-
BCC Malfunction
Transponder chip signal / OK or NG
OK: Correct data sent
NG: Incorrect data sent
-
Status
Transponder chip data / OK or NG
OK: Correct data sent
NG: Incorrect data sent
-

PERFORM ACTIVE TEST

HINT:
Performing the intelligent tester's Active Test allows a relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time. The Data List can be displayed during the Active Test.

  1. Connect the intelligent tester to the DLC3.

  2. Turn the engine switch on (IG).

  3. Perform the Active Test by following the directions on the tester screen.

Main Body: 
Item
Test Details
Diagnostic Note
Security Indic
Turns security indicator ON/OFF
-
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