Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - THEFT DETERRENT / KEYLESS ENTRY

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FOR DTC

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SECURITY INDICATOR)

READ VALUE USING INTELLIGENT TESTER (ENGINE IMMOBILISER SYSTEM STATUS)

CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - SECURITY INDICATOR LIGHT)

REPLACE CLOCK ASSEMBLY (SECURITY INDICATOR LIGHT)

CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND)

ENGINE IMMOBILISER SYSTEM (w/o Entry and Start System) - Security Indicator Light Does not Blink

DESCRIPTION

When the engine immobiliser system is set, the security indicator light blinks continuously, but does not illuminate if the engine immobiliser system is not set.

WIRING DIAGRAM

Engine Immobiliser System (W/O Entry And Start System) - Security Indicator Light Does Not Blink. THEFT DETERRENT / KEYLESS ENTRY. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

  • NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
When replacing the transponder key ECU assembly, refer to Registration.
1.CHECK FOR DTC

Check for DTCs ().

  • OK:
  • DTC is not output.
NG
GO TO DIAGNOSTIC TROUBLE CODE CHART ()
OK
2.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SECURITY INDICATOR)

Connect the intelligent tester to the DLC3.

Turn the ignition switch to ON.

Turn the intelligent tester on.

Enter the following menus: Body / Immobiliser / Active Test.

According to the display on the intelligent tester, perform the Active Test.

Immobiliser
Tester DisplayTest PartControl RangeDiagnostic Note
Security IndicatorSecurity indicator lightON/OFF-
  • OK:
  • Security indicator light can be turned on and off using the intelligent tester.
NG
Go to step 4
OK
3.READ VALUE USING INTELLIGENT TESTER (ENGINE IMMOBILISER SYSTEM STATUS)

Turn the ignition switch off.

  • HINT:
  • When using the intelligent tester with the ignition switch off to troubleshoot: Connect the intelligent tester to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds until communication between the intelligent tester and vehicle begins.

Using the intelligent tester, read the Data List ().

Immobiliser
Tester DisplayMeasurement Item/RangeNormal ConditionDiagnostic Note
ImmobiliserEngine immobiliser system status determined by transponder key ECU assembly / Set or UnsetSet: Engine immobiliser set (engine start prohibited [no key in ignition key cylinder])
Unset: Engine immobiliser unset (engine start permitted [key inserted in ignition key cylinder])		When the engine immobiliser system does not change to the unset state, this item can be used to determine if the cause is the transponder key ECU assembly.
NG
Go to step 6
OK
REPLACE TRANSPONDER KEY ECU ASSEMBLY
4.CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - SECURITY INDICATOR LIGHT)

Disconnect the E96 transponder key ECU assembly connector.

Disconnect the g1 clock assembly connector.

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    E96-8 (IND) - g1-9 (LP)AlwaysBelow 1 Ω
    g1-1 (E) - Body groundAlwaysBelow 1 Ω
    g1-9 (LP) - Body groundAlways10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
5.REPLACE CLOCK ASSEMBLY (SECURITY INDICATOR LIGHT)

Temporarily replace the clock assembly (security indicator light) with a new or normally functioning one ().

When the immobiliser is set or the theft deterrent system is in the arming preparation state, check that the security indicator light blinks.

  • OK:
  • Security indicator light blinks.
NG
REPLACE TRANSPONDER KEY ECU ASSEMBLY
OK
END (CLOCK ASSEMBLY WAS DEFECTIVE)
6.CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND)

Disconnect the E96 transponder key ECU assembly connector.

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    E96-16 (GND) - Body groundAlwaysBelow 1 Ω

Measure the voltage according to the value(s) in the table below.

  • Standard Voltage:
  • Tester ConnectionConditionSpecified Condition
    E96-1 (+B) - Body groundAlways11 to 14 V
    E96-2 (IG) - Body groundIgnition switch offBelow 1 V
    Ignition switch ON11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE TRANSPONDER KEY ECU ASSEMBLY
THEFT DETERRENT / KEYLESS ENTRY
Land Cruiser URJ200 URJ202 GRJ200 VDJ200
ENGINE IMMOBILISER SYSTEM w/o Entry and Start System