30 2005 2006 toyota hilux factory service manual door lock system he thong khoa cua

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• Operating the driver side and passenger side door locks using a key sends lock/unlock request signals to the multiplex network body ECU The driver side door key-linked lock function has an optional unlock method called the "2-step unlock function." Refer to the chart below in step (b) for details on this function

(b) The power door lock control system has the following functions:

*: Master switch and door control switch (passenger side)

Key-linked lock and unlock function

This function locks/unlocks all doors simultaneously when driver side

or passenger side door key cylinder (linked with driver side and passenger side door lock) is turned with key.

Key lock-in prevention function When key is inserted into ignition key cylinder and door lock operation

is performed with driver side door open, all doors are unlocked.

Door control switch* unlock prohibition function Performing door lock operation with transmitter or key prohibits the unlock operation by door lock control switch.

remaining doors can be unlocked by turning key cylinder second time.

(a) On-vehicle inspection (See page DL-7)(b) Inspection

(c) Terminals of ECU (See page DL-5)

NEXT

NEXT

NEXT

Go to step 6

END

Power door lock control system

All doors cannot be locked/unlocked simultaneously

DR LOCK fuse

DL-10

J/B fuse ECU-B fuse ALT fuse Power window regulator master switch assembly Front door lock assembly LH

Door control switch aassembly Driver side J/B assembly (multiplex network body ECU) Wire harness

Key lock-on prevention function does not work

properly (manual operation and key-linked lock are

ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

1 2 3 4 5 6 7 12 13 14 15

16 11 10 8

9 17 18

1 2 3 4 5 6 7 12 13 14 15

16 11 10 8

9 17 18 1

2 3

5 6 7 8 9 10 11 4 1

3 2 1

4 5 6 7 8

5 6 7 8 9 10 11 1

2 3 4 5 6 7 8 9 10 11 12

13 14 15 16 17 18 19 20 21 22 23 24

12 13 14 15 16 17 18 19 20 21 22

1 2 3 4 5 6

1 2 7 8 9 10 11 12 13 3 4

6 7 8 9 10 11 12 13 6

7

8 9 10 11 12 13 14 1

2 3 4 5 6 7 8 9

13 14 15 16 17 18

ALTB (1A-6) - Body

+B (power system, generator system) power supply

Key unlock warning switch input

No key in ignition key

Key inserted in ignition key

DCTY (1F-7) - Body

Driver side courtesy switch input

PCTY (1I-8) - Body ground R-B - Body ground Pssenger side courtesy

switch input

Passenger side door

L1 (1I-7) - Body ground

L1 (1I-18) - Body ground L-W - Body ground

Door control switch (master switch and passenger side switch) lock input

Door control switch (master switch or passenger side switch) OFF

10 kΩ or higher

Door control switch (master switch or passenger side switch) LOCK

Below 1 Ω

UL1 (1I-3) - Body ground

UL1 (1I-1) - Body ground GR - Body ground

Door control switch (master switch and passenger side switch) lock input

Door control switch (master switch or passenger side switch) OFF

10 kΩ or higher

Door control switch (master switch or passenger side switch) UNLOCK

Below 1 Ω

LSWD (B5-20) - Body

Driver side door lock position switch input

LSWP (B5-11) - Body

Driver side door lock position switch input

L2 (1I-17) - Body ground V - Body ground Driver side door key-linked

door lock input

Driver side door key

Driver side door key

key-linked door lock input

Passenger side door key

Passenger side door key

UL3 (B5-23) - Body

Driver side door key-linked door unlock input

Driver side door key

Driver side door key

key-linked door unlock input

Passenger side door key

Passenger side door key

L-R - Body ground Door lock motor LOCK

drive output (all doors)

Door control switch (master switch or passenger side switch) or door key cylinder (driver or passenger side) OFF

Below 1 V

Door control switch (master switch or passenger side switch) or door key cylinder (driver or passenger side) LOCK

10 to 14 V

ACTD (B5-3) - Body

Door lock motor UNLOCK drive output (driver side doors)

Door control switch (master switch or passenger side switch) or door key cylinder (driver or passenger side) OFF

Below 1 V

Door control switch (master switch or passenger side switch) or door key cylinder (driver or passenger side) LOCK

Door control switch (master switch or passenger side switch) or door key cylinder (driver or passenger side) OFF

Below 1 V

Door control switch (master switch or passenger side switch) or door key cylinder (driver or passenger side) LOCK

10 to 14 V

(a) Check the basic function

(1) The door control switch (manual operation): 1) pushing LOCK locks all the doors and 2) pushing UNLOCK unlocks all the doors

(2) The door key cylinder lock function: turning the driver or passenger side door key cylinder to the LOCK position locks all the doors

(3) The door key cylinder unlock function: 1) turning the driver or passenger side door key cylinder to the UNLOCK position once unlocks only the driver side door, and 2) turning it to the UNLOCK position again within 3 seconds unlocks all the doors (2-step unlock function)

(b) Check the key lock-in prevention function

NOTICE:

To prevent the key from being locked in the vehicle, the following inspection should be made with the driver side door window open.

(1) Have the key inserted into the ignition key cylinder

(2) With the driver side door open, turn the driver side door lock knob to the LOCK position and check that all the doors unlock immediately

(3) With the driver side door open, push LOCK on the door control switch (manual operation) and check that all the doors unlock immediately

(4) With the driver side door open, turn the driver side door lock knob to the LOCK position, hold

it for 2 seconds or more and then close the driver side door Check that all the doors unlock

(c) Check the security function

(1) Close all the doors and leave the driver side door window open so that the door control switch can be operated from outside the vehicle

(2) Pull out the key, open the driver side door and then close and lock the door without using the key Check that pushing UNLOCK on the door control switch (manual operation) from outside the vehicle does not unlock the doors

(3) Pull out the key, close and lock the driver side door by key operation Check that pushing UNLOCK on the door control switch (manual operation) from outside the vehicle does not unlock the doors

lock the door by wireless door lock operation Check that pushing UNLOCK on the door control switch (manual operation) from outside the vehicle does not unlock the doors

HINT:

Check that the security function is canceled when any of the following conditions are met:

• The ignition switch is turned ON

• The driver side door is unlocked using the key

• UNLOCK on the door control switch (manual operation) is pushed after the door control knob is turned to the UNLOCK position manually

• The doors are unlocked with wireless operation

(d) Check the illumination function

(1) Set the room light switch to the DOOR position.(2) With all doors locked, check that all the doors unlock when the driver side door lock cylinder

is turned to the UNLOCK position using the key At the same time, the room light should turn ON

(3) Check that the room light turns off in approximately 15 seconds if the doors have not been opened

DESCRIPTION

The multiplex network body ECU activates the door lock motors with switch signals from the master

switch, door control switch and driver/passenger side door key cylinder

All Doors cannot be Locked / Unlocked Simultaneously

M

MMM

Multiplex Network Body ECU Driver Side J/B

ALTB ECUB

GND

DR LCK 6

4

6 1

1A 1

2C

23 B5

20 B5 3 B5

8 IC3 4

IC3

5 4

6 5

7

8 10

4

1 8 9

10 IC3

10 IC3

10 IC1

9 IC3

2 2

16 1C 18 1H

24 1H

23 1H 4

2

3 16

1H 22 1H

5 1H

2 1F 1 1F

17 1I 4 1I 19 1I

Engine Room R/B and J/B

ECU-B Short Pin

L

R W-B

G-B G-B

W-R W-B

W-B

W-B W-B

W-B

L-R L-R

W-R

11 B5 5

5

IK3 4

IK3 5

7

6

6 IK3 IK1 IK3

10 IK1 7 IL2 3 IL2

2 BB1

3 BB1

3

4

BA1 2 BA1

UL L

J1 J/C

5 6

J14 J/C

J13 J/C IA

(*1)

(*1) (*1)

D21 Door Lock Assembly (Rear LH)

D22 Door Lock Assembly (Rear RH)

D20 Door Lock Assembly (Passenger Side)

UL3

LSWD ACTD

LSWP

ACT+

ACT-L2 UL2 14

B124998E02

B C

Continued from previous page

P9 Power Window Regulator Master Switch Assembly (Door Control Switch)

D23 Door Control Switch (Passenger Site)

W-B

W-B

W-B

IC1 8

IC3

6

1I 18

1I 14

1I 7

12

10 1I

3

IC3

7 1

W-B 3

6

5 IK3

8(*1) 5(*2)

IK3 8

IK3 7

Go to step 3

Go to step 14

A

A B C

A B C

Go to step 4

Go to step 6

Go to step 9

Door control switch on passenger side and passenger side door key

Go to step 16

Go to step 18

Go to step 21

(a) Remove the power window regulator master switch assembly

(b) Measure the resistance of the door control switch

Standard (Double cab)

Standard (Access cab)

(c) Reinstall the power window regulator master switch assembly

NG

OK

CONTROL SWITCH)

Door Control Switch

Component Side (Double Cab):

E

Component Side (Access Cab):

Door Control Switch

Tester Connection Switch Condition Specified Condition

1 (E) - 5 (L)

Tester Connection Switch Condition Specified Condition

1 (E) - 2 (L)

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

(a) Disconnect the P9 power window regulator master switch connector

(b) Disconnect the 1I driver side J/B connector

(c) Measure the resistance

Standard (Double cab)

Standard (Access cab)

(d) Reconnect the power window regulator master switch connector

(e) Reconnect the driver side J/B connector

NG

OK

AND BODY GROUND)

Front View

Wire Harness Side (Double Cab):

Power Window Regulator Master Switch

Front View

Driver Side J/B P9

1I

E

L UL

Front View

Wire Harness Side (Access Cab):

Power Window Regulator Master Switch

Front View

Driver Side J/B P9

1I

E L

P9-5 (L) or 1I-18 (L1) - Body ground 10 k Ω or higher P9-8 (UL) or 1I-14 (UL1) - Body ground 10 k Ω or higher

P9-2 (L) or 1I-18 (L1) - Body ground 10 k Ω or higher P9-5 (UL) or 1I-14 (UL1) - Body ground 10 k Ω or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE DRIVER SIDE JUNCTION BLOCK

Standard (Door lock and unlock switch)

Standard (Position switch)

Battery positive (+) → Terminal 4

Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4 Unlock

REPLACE FRONT DOOR LOCK ASSEMBLY LH

OK

(a) Disconnect the D19 front door lock connector

(b) Disconnect the B5 multiplex network body ECU connector

(c) Disconnect the 1H and 1I driver side J/B connectors.(d) Measure the resistance

Standard

(e) Reconnect the front door lock connector

(f) Reconnect the multiplex network body ECU connector.(g) Reconnect the driver side J/B connectors

NG

OK

AND BODY GROUND)

Front View

Wire Harness Side:

Front Door Lock Assembly LH

Multiplex Network Body ECU

Front View

UL3

Driver Side J/B L2

D19-4 or 1H-24 (ACT+) - Body ground 10 k Ω or higher D19-1 or B5-3 (ACTD) - Body ground 10 k Ω or higher D19-9 or 1I-17 (L2) - Body ground 10 k Ω or higher D19-10 or B5-23 (UL3) - Body ground 10 k Ω or higher D19-8 or B5-20 (LSWD) - Body ground 10 k Ω or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE DRIVER SIDE JUNCTION BLOCK (MULTIPLEX NETWORK BODY ECU)

Standard (Door lock and unlock switch)

Standard (Position switch)

Battery positive (+) → Terminal 4

Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4 Unlock

REPLACE FRONT DOOR LOCK ASSEMBLY LH

OK

(a) Disconnect the D19 front door lock connector

(b) Disconnect the B5 multiplex network body ECU connector

(c) Disconnect the 1H and 1I driver side J/B connectors.(d) Measure the resistance of the wire harness side connectors

Standard

(e) Reconnect the front door lock connector

(f) Reconnect the multiplex network body ECU connector.(g) Reconnect the driver side J/B connectors

NG

OK

AND BODY GROUND)

Front View

Wire Harness Side:

Front Door Lock Assembly LH

Multiplex Network Body ECU

Front View

UL3

Driver Side J/B L2

D19-4 or 1H-24 (ACT+) - Body ground 10 k Ω or higher D19-1 or B5-3 (ACTD) - Body ground 10 k Ω or higher D19-9 or 1I-17 (L2) - Body ground 10 k Ω or higher D19-10 or B5-23 (UL3) - Body ground 10 k Ω or higher D19-8 or B5-20 (LSWD) - Body ground 10 k Ω or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

(a) Remove the power window regulator master switch assembly

(b) Measure the resistance of the door control switch

Standard (Double cab)

Standard (Access cab)

(c) Reinstall the power window regulator master switch assembly

NG

OK

CONTROL SWITCH)

Door Control Switch

Component Side (Double Cab):

E

Component Side (Access Cab):

Door Control Switch

Tester Connection Switch Condition Specified Condition

1 (E) - 5 (L)

Tester Connection Switch Condition Specified Condition

1 (E) - 2 (L)

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

(a) Disconnect the P9 power window regulator master switch connector

(b) Disconnect the 1I driver side J/B connector

(c) Measure the resistance

Standard (Double cab)

Standard (Access cab)

(d) Reconnect the power window regulator master switch connector

(e) Reconnect the driver side J/B connector

NG

OK

AND BODY GROUND)

Front View

Wire Harness Side (Double Cab):

Power Window Regulator Master Switch

Front View

Driver Side J/B P9

1I

E

L UL

Front View

Wire Harness Side (Access Cab):

Power Window Regulator Master Switch

Front View

Driver Side J/B P9

1I

E L

P9-5 (L) or 1I-18 (L1) - Body ground 10 k Ω or higher P9-8 (UL) or 1I-14 (UL1) - Body ground 10 k Ω or higher

P9-2 (L) or 1I-18 (L1) - Body ground 10 k Ω or higher P9-5 (UL) or 1I-14 (UL1) - Body ground 10 k Ω or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE DRIVER SIDE JUNCTION BLOCK

(a) Remove the DR LCK fuse from the driver side J/B

(b) Remove the J/B, ECU-B and ALT fuses from the engine room R/B

(c) Measure the resistance of the fuse

Standard:

Below 1 Ω(d) Reinstall the DR LCK fuse

(e) Reinstall the J/B, ECU-B and ALT fuses

NG OK

(a) Disconnect the 1A, 1C, and 1H driver side J/B connectors

(b) Measure the voltage and resistance

1

6 1

4 5 2 3

13 2 14 3 15 4 16 5 17 6 18

9 21 10 22 11 23 12 24 7

19 8 20

2 3 4 5 6 7

12 13 14 15 16 1

11 10

9 8 18 17

Wire Harness Side:

(d) Reconnect the door control switch connector.

(e) Reconnect the driver side J/B connector

E

Component Side:

B071970E15

Tester Connection Switch Condition Specified Condition

3 (E) - 5 (UL)

REPLACE DOOR CONTROL SWITCH ASSEMBLY

AND BODY GROUND)

D23 Front View

Wire Harness Side:

Door Control Switch

D23-6 (L) or 1I-7 (L1) - Body ground 10 k Ω or higher D23-5 (UL) or 1I-3 (UL1) - Body ground 10 k Ω or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE DRIVER SIDE JUNCTION BLOCK

Standard (Door lock and unlock switch)

Standard (Position switch)

Battery positive (+) → Terminal 4

Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4 Unlock

REPLACE FRONT DOOR LOCK ASSEMBLY RH

UNLOCK SWITCH AND POSITION SWITCH)

Unlock

Lock Component Side:

Tester Connection Door Lock Condition Specified Condition

OK

(a) Disconnect the D20 front door lock connector

(b) Disconnect the B5 multiplex network body ECU connector

(c) Disconnect the 1H and 1I driver side J/B connectors.(d) Measure the resistance

Standard

(e) Reconnect the front door lock connector

(f) Reconnect the multiplex network body ECU connector.(g) Reconnect the driver side J/B connectors

NG

OK

AND BODY GROUND)

Front View

Wire Harness Side:

Front Door Lock Assembly RH

Multiplex Network Body ECU

Front View

LSWP

Driver Side J/B L2

D20-4 or 1H-23 (ACT+) - Body ground 10 k Ω or higher D20-1 or 1H-5 (ACT-) - Body ground 10 k Ω or higher D20-6 or 1I-4 (L2) - Body ground 10 k Ω or higher D20-5 or 1I-19 (UL2) - Body ground 10 k Ω or higher D20-7 or B5-11 (LSWP) - Body ground 10 k Ω or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE DRIVER SIDE JUNCTION BLOCK (MULTIPLEX NETWORK BODY ECU)

Standard (Door lock and unlock switch)

Standard (Position switch)

Battery positive (+) → Terminal 4

Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4 Unlock

REPLACE FRONT DOOR LOCK ASSEMBLY RH

POSITION SWITCH)

Unlock

Lock Component Side:

Tester Connection Door Lock Condition Specified Condition

OK

(a) Disconnect the D20 front door lock connector

(b) Disconnect the B5 multiplex network body ECU connector

(c) Disconnect the 1H and 1I driver side J/B connectors.(d) Measure the resistance

Standard

(e) Reconnect the front door lock connector

(f) Reconnect the multiplex network body ECU connector.(g) Reconnect the driver side J/B connectors

NG

OK

AND BODY GROUND)

Front View

Wire Harness Side:

Front Door Lock Assembly LH

Multiplex Network Body ECU

Front View

LSWP

Driver Side J/B L2

D20-4 or 1H-23 (ACT+) - Body ground 10 k Ω or higher D20-1 or 1H-5 (ACT-) - Body ground 10 k Ω or higher D20-6 or 1I-4 (L2) - Body ground 10 k Ω or higher D20-5 or 1I-19 (UL2) - Body ground 10 k Ω or higher D20-7 or B5-11 (LSWP) - Body ground 10 k Ω or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

(a) Remove the door control switch (passenger side)

(b) Measure the resistance of the door control switch

Standard

(c) Reinstall the door control switch

NG

OK

(a) Disconnect the D23 door control switch connector

(b) Disconnect the 1I driver side J/B connector

(c) Measure the resistance

Standard

(d) Reconnect the door control switch connector

(e) Reconnect the driver side J/B connector

E

Component Side:

B071970E15

Tester Connection Switch Condition Specified Condition

3 (E) - 5 (UL)

REPLACE DOOR CONTROL SWITCH ASSEMBLY

AND BODY GROUND)

D23

Front View

Wire Harness Side:

Door Control Switch

D23-6 (L) or 1I-7 (L1) - Body ground 10 k Ω or higher D23-5 (UL) or 1I-3 (UL1) - Body ground 10 k Ω or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE DRIVER SIDE JUNCTION BLOCK

DESCRIPTION

To prevent the key from being locked in the vehicle, the multiplex network body ECU prevents the doors from being locked by monitoring 2 switches: 1) the unlock warning switch, which turns ON when the key is inserted into the ignition key cylinder; and 2) the driver side courtesy light switch, which turns ON when the driver side door is opened

WIRING DIAGRAM

Key Lock-in Prevention Function does not Work Properly

Multiplex Network Body ECU

Driver Side J/B D11

Front Door Courtesy Light

G-Y(*1)

G-Y(*2) 2

1

1 2

Unlock Warning Switch Assembly

W-B

L-R G-B

L-B

*1: Double Cab

*2: Access Cab IA

To Front Door Lock Assembly LH (LOCK)

To Front Door Lock Assembly LH (UNLOCK)

(a) Disconnect the 1K driver side J/B connector

(b) Measure the resistance

Standard

(c) Reconnect the driver side J/B connector

OK NG

(a) Remove the unlock warning switch

(b) Measure the resistance

No key in ignition key

1K-10 (KSW) - Body ground

Key inserted in ignition

Go to step 4

Component Side:

Pin Not Pushed

Pushed

Unlock Warning Switch Assembly

(Driver Side)

1 2

I044492E01

Tester Connection Switch Connection Specified Condition

REPLACE UNLOCK WARNING SWITCH ASSEMBLY

(d) Reconnect the unlock warning switch connector.

(e) Reconnect the driver side J/B connector

NG

OK

(a) Move the room light switch to the DOOR position and open the driver side door Check that the room light turns ON

(c) Reinstall the front door courtesy light switch assembly

ASSEMBLY AND BODY GROUND)

Wire Harness Side:

Unlock Warning Switch (Driver Side)

U1 Front View

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

Not Pushed (ON) Pushed (OFF)

Body Ground

Component Side:

Tester Connection Switch Condition Specified Condition

OK

(a) Disconnect the D11 front door courtesy light switch connector

(b) Disconnect the 1F driver side J/B connector

(c) Measure the resistance

Wire Harness Side:

Unlock Warning Switch (Driver Side)

• The door control receiver performs the code identification process and the multiplex network body ECU operates the door lock control A serial data link is provided for communication between the door control receiver and the multiplex network body ECU.

• A key-holder type transmitter is used and it contains the following 3 switches: the door lock switch, door unlock switch and panic switch

(b) The wireless door lock control system has the following functions:

All doors unlock operation

(2-step unlock operation)

Pressing UNLOCK switch once unlocks driver side door Pressing UNLOCK switch again within 3 seconds unlocks remaining doors.

Answer-back operation

Hazard warning lights flash once when doors are locked, and flash twice when doors are unlocked These flashes indicate that operation has been completed.

Panic alarm operation

Holding down PANIC switch sets off theft deterrent alarm, which consists of sounding horn, flashing headlights, taillights and hazard warning lights and turning room light on.

wireless door lock remote control, all doors lock again automatically.

multiplex network body ECU outputs lock signal after 1 second.

illuminate simultaneously with unlocking operation.

Transmitter recognition code registration function

Enables registering (writing and storing) of 4 different transmitter recognition codes in EERPOM, which is built into multiplex network body ECU.

• Use these procedures to troubleshoot the wireless door lock control system.

• *: Use the intelligent tester

NEXT

NEXT

B A

(a) Terminals of ECU (See page DL-42)(b) On-vehicle Inspection (See page DL-43)

NEXT

NEXT

Go to step 5

NEXT

END

• Add Mode is used to register new recognition codes while retaining the previously registered codes This mode is used when new transmitters are added If the number of registered codes exceeds 4, the previously registered codes will be erased in order, starting from the first registered code.

• Rewrite Mode is used to erase all the previously registered recognition codes in order to register new recognition codes This mode is used when the transmitter or the door control receiver is replaced with a new one

• Confirmation Mode is used to confirm how many recognition codes have already been registered before any additional recognition codes are registered

• Prohibition Mode is used to erase all the registered codes and disable the wireless door lock function This mode is used when the transmitters are lost

• The registration procedure described on the following pages must be performed in order

(a) Check that the following conditions are met

• No key in the ignition key cylinder

• Only driver side door is open

(b) Insert the key into the ignition key cylinder, and remove it twice within 5 seconds

(c) Perform the following operations within 40 seconds.(1) Close and open the driver side door twice (2) Insert the key into the ignition key cylinder, then remove it

(d) Perform the following operations within 40 seconds.(1) Close and open the driver side door twice.(2) Insert the key into the ignition key cylinder and close all doors