Theft Deterrent Keyless Entry. Entry And Start System (For Entry Function) Back Door Entry Lock And Unlock Functions Do Not Operate

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200

Theft Deterrent Keyless Entry. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK POWER DOOR LOCK OPERATION

CHECK VEHICLE EQUIPMENT

CHECK POWER BACK DOOR OPERATION

READ VALUE USING INTELLIGENT TESTER (DOOR LOCK POSITION SWITCH)

READ VALUE USING INTELLIGENT TESTER (BACK DOOR LOCK SWITCH, BACK DOOR OPEN SWITCH)

CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] - BACK DOOR ELECTRICAL KEY ANTENNA [for Outer])

REPLACE BACK DOOR ELECTRICAL KEY ANTENNA (for Outer)

CHECK BACK DOOR ELECTRICAL KEY ANTENNA [for Outer] (OPERATION)

CHECK HARNESS AND CONNECTOR (BACK DOOR OPENER SWITCH - BODY GROUND)

ENTRY AND START SYSTEM (for Entry Function) - Back Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION

When the back door entry lock and unlock functions do not operate, one of the following may be malfunctioning: 1) power door lock control system, or 2) electrical key antenna (for outside luggage compartment), or 3) main body ECU (cowl side junction block LH), or 4) certification ECU (smart key ECU assembly).

WIRING DIAGRAM

Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Entry And Start System (For Entry Function) Back Door Entry Lock And Unlock Functions Do Not Operate

INSPECTION PROCEDURE

NOTICE:

Before performing the inspection, check that there are no problems related to the "CAN Communication System" and "LIN Communication System".

1.CHECK POWER DOOR LOCK OPERATION

When the door control switch of the master switch assembly is operated, check that the locked doors unlock.
OK:
Door locks operate normally.

GO TO POWER DOOR LOCK CONTROL SYSTEM (Click here)

OK

2.CHECK VEHICLE EQUIPMENT

Check if the power back door is equipped on the vehicle.
Result
Result
Proceed to
w/ Power Back Door System
A
w/o Power Back Door System
B

Result
Result	Proceed to
w/ Power Back Door System	A
w/o Power Back Door System	B

Go to step 4

A

3.CHECK POWER BACK DOOR OPERATION

When the power back door switch is operated, check that the power back door open and close.
OK:
Power back door system is normal.
Result
Result
Proceed to
Power back door system is abnormal
A
Power back door system is normal
B

Result
Result	Proceed to
Power back door system is abnormal	A
Power back door system is normal	B

Go to step 5

GO TO POWER BACK DOOR SYSTEM (Click here)

4.READ VALUE USING INTELLIGENT TESTER (DOOR LOCK POSITION SWITCH)

Connect the intelligent tester to the DLC3.

Turn the engine switch on (IG).

Turn the intelligent tester on.

Enter the following menus: Body / Main Body / Data List.

Read the Data List according to the display on the intelligent tester.

Main Body
Tester Display
Measurement Item / Range
Normal Condition
Diagnostic Note
Back Lock Pos switch
Back door lock position switch signal / ON or OFF
ON: Back door is unlocked
OFF: Back door is locked
-
OK:
On the intelligent tester screen, the display changes between ON and OFF as shown in the chart above.

Main Body
Tester Display	Measurement Item / Range	Normal Condition	Diagnostic Note
Back Lock Pos switch	Back door lock position switch signal / ON or OFF	ON: Back door is unlocked OFF: Back door is locked	-

GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Back Door LOCK/UNLOCK Functions do not Operate) (Click here)

OK

5.READ VALUE USING INTELLIGENT TESTER (BACK DOOR LOCK SWITCH, BACK DOOR OPEN SWITCH)

Using the intelligent tester, read the Data List.

Main Body
Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
Back Door Handle SW	Back door open switch / ON or OFF	ON: Back door open switch is pushed OFF: Back door open switch is not pushed	-

Entry&Start
Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
Tr/B-Door Lock SW	Back door lock switch / ON or OFF	ON: Back door lock switch is pushed OFF: Back door lock switch is not pushed	-

OK:: "ON" (switch is pushed) and "OFF" (switch is not pushed) appears on the screen.

Go to step 9

OK

6.CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] - BACK DOOR ELECTRICAL KEY ANTENNA [for Outer])

Disconnect the E29 ECU connector.

Disconnect the K23 antenna connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
E29-31 (CLG8) - K23-1 (CLG5)	Always	Below 1 Ω
E29-32 (CG8B) - K23-2 (CLGB)	Always	Below 1 Ω
E29-31 (CLG8) - Body ground	Always	10 kΩ or higher
E29-32 (CG8B) - Body ground	Always	10 kΩ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

7.REPLACE BACK DOOR ELECTRICAL KEY ANTENNA (for Outer)

Replace the back door electrical key antenna (Click here).

NEXT

8.CHECK BACK DOOR ELECTRICAL KEY ANTENNA [for Outer] (OPERATION)

Check that the entry functions operate normally.
OK:
Entry functions operate normally.

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

END (ELECTRICAL KEY ANTENNA [for Outside Luggage Compartment] IS DEFECTIVE)

9.CHECK HARNESS AND CONNECTOR (BACK DOOR OPENER SWITCH - BODY GROUND)

Disconnect the S7 switch connector.

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
S7-2 (L) - Body ground
Always
Below 1 Ω

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE BACK DOOR OPENER SWITCH (Click here)