Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT ALL DOORS LOCK/UNLOCK OPERATION

All the doors can be locked/unlocked simultaneously using the following items:

Door control switch on the master switch (switch operation)
Door control switch on the front passenger side (switch operation)

Door key cylinder linked with driver and passenger side door lock (key operation)

If all the doors cannot be locked/unlocked simultaneously, proceed to the next step according to the malfunctioning part shown in the table below.

Result:

RESULT TABLE

Malfunctioning Part	Proceed to
Driver side doors	A
Passenger side doors	B
All items are malfunctioning	C

B: Go to step 3

C: Go to step 14

A: Go to next step

INSPECT DRIVER SIDE DOORS LOCK/UNLOCK OPERATION

REFERENCE TABLE

Malfunctioning Part	Proceed to
Door control switch on master switch	A
Driver side door key cylinder	B
Door control switch on master switch and driver side door key cylinder	C

A: Go to step 4

B: Go to step 6

C: Go to step 9

INSPECT PASSENGER SIDE DOORS LOCK/UNLOCK OPERATION

REFERENCE TABLE

Malfunctioning Part	Proceed to
Door control switch on passenger side switch	A
Passenger side door key cylinder	B
Door control switch on passenger side and passenger side door key cylinder	C

A: Go to step 16

B: Go to step 18

C: Go to step 21

INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR CONTROL SWITCH)

Remove the power window regulator master switch assembly.

Measure the resistance of the door control switch.

Standard (Double cab)

Fig 1: Identifying Door Control Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
1 (E) - 5 (L)	Lock	Below 1
1 (E) - 5 (L) 1 (E) - 8 (UL)	OFF	10 k or higher
1 (E) - 8 (UL)	Unlock	Below 1

Standard (Access cab)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
1 (E) - 2 (L)	Lock	Below 1
1 (E) - 2 (L) 1 (E) - 5 (UL)	OFF	10 k or higher
1 (E) - 5 (UL)	Unlock	Below 1

Reinstall the power window regulator master switch assembly.

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (MASTER SWITCH (SWITCH) - DRIVER SIDE J/B AND BODY GROUND)

Disconnect the P9 power window regulator master switch connector.
Disconnect the 1I driver side J/B connector.

Measure the resistance.

Standard (Double cab)

Fig 2: Identifying Power Window Regulator Master Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
P9-5 (L) - 1I-18 (L1)	Below 1
P9-8 (UL) - 1I-14 (UL1)	Below 1
P9-1 (E) - Body ground	Below 1
P9-5 (L) or 1I-18 (L1) - Body ground	10 k or higher
P9-8 (UL) or 1I-14 (UL1) - Body ground	10 k or higher

Standard (Access cab)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
P9-2 (L) - 1I-18 (L1)	Below 1
P9-5 (UL) - 1I-14 (UL1)	Below 1
P9-1 (E) - Body ground	Below 1
P9-2 (L) or 1I-18 (L1) - Body ground	10 k or higher
P9-5 (UL) or 1I-14 (UL1) - Body ground	10 k or higher

Reconnect the power window regulator master switch connector.
Reconnect the driver side J/B connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE DRIVER SIDE JUNCTION BLOCK

INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK MOTOR)

Apply battery voltage to the door lock and check operation of the door lock motor.

NOTE: Do not apply battery voltage to any terminals except terminals 1 and 4.

Fig 3: Applying Battery Voltage To Door Lock

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER REFERENCE TABLE

Terminal No	Specified Condition
Battery positive (+) --> Terminal 4 Battery negative (-) --> Terminal 1	Lock
Battery positive (+) --> Terminal 1 Battery negative (-) --> Terminal 4	Unlock

NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH

OK: Go to Next Step

INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK AND UNLOCK SWITCH AND POSITION SWITCH)

Measure the resistance of the door lock and unlock switch and position switch.

Standard (Door lock and unlock switch)

Fig 4: Measuring Resistance Of Door Lock, Unlock Switch & Position Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Door Lock Condition	Specified Condition
7 - 9	Lock	Below 1
7 - 9, 7 - 10	OFF	10 k or higher
7 - 10	Unlock	Below 1

Standard (Position switch)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Door Lock Condition	Specified Condition
7 - 8	Lock	10 k or higher
7 - 8	Unlock	Below 1

NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK LH - ECU, DRIVER SIDE J/B AND BODY GROUND)

Disconnect the D19 front door lock connector.
Disconnect the B5 multiplex network body ECU connector.
Disconnect the 1H and 1I driver side J/B connectors.

Measure the resistance.

Standard

Fig 5: Disconnecting 1H & 1I Driver Side J/B Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
D19-4 - 1H-24 (ACT+)	Below 1
D19-1 - B5-3 (ACTD)	Below 1
D19-9 - 1I-17 (L2)	Below 1
D19-10 - B5-23 (UL3)	Below 1
D19-8 - B5-20 (LSWD)	Below 1
D19-7 - Body ground	Below 1
D19-4 or 1H-24 (ACT+) - Body ground	10 k or higher
D19-1 or B5-3 (ACTD) - Body ground	10 k or higher
D19-9 or 1I-17 (L2) - Body ground	10 k or higher
D19-10 or B5-23 (UL3) - Body ground	10 k or higher
D19-8 or B5-20 (LSWD) - Body ground	10 k or higher

Reconnect the front door lock connector.
Reconnect the multiplex network body ECU connector.
Reconnect the driver side J/B connectors.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE DRIVER SIDE JUNCTION BLOCK (MULTIPLEX NETWORK BODY ECU)

INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK MOTOR)

Apply battery voltage to the door lock and check operation of the door lock motor.

NOTE: Do not apply battery voltage to any terminals except terminals 1 and 4

Fig 6: Applying Battery Voltage To Door Lock

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER REFERENCE TABLE

Terminal No	Specified Condition
Battery positive (+) --> Terminal 4 Battery negative (-) --> Terminal 1	Lock
Battery positive (+) --> Terminal 1 Battery negative (-) --> Terminal 4	Unlock

NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH

OK: Go to Next Step

INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK AND UNLOCK SWITCH AND POSITION SWITCH)

Measure the resistance of the door lock and unlock switch and position switch.

Standard (Door lock and unlock switch)

Fig 7: Measuring Resistance Of Door Lock, Unlock Switch & Position Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Door Lock Condition	Specified Condition
7 - 9	Lock	Below 1
7 - 9 7 - 10	OFF	10 k or higher
7 - 10	Unlock	Below 1

Standard (Position switch)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Door Lock Condition	Specified Condition
7 - 8	Lock	10 k or higher
7 - 8	Unlock	Below 1

NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH

OK: Go to next step

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK LH - ECU, DRIVER SIDE J/B AND BODY GROUND)

Disconnect the D19 front door lock connector.
Disconnect the B5 multiplex network body ECU connector.
Disconnect the 1H and 1I driver side J/B connectors.

Measure the resistance of the wire harness side connectors.

Standard

Fig 8: Disconnecting 1H & 1I Driver Side J/B Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
D19-4 - 1H-24 (ACT+)	Below 1
D19-1 - B5-3 (ACTD)	Below 1
D19-9 - 1I-17 (L2)	Below 1
D19-10 - B5-23 (UL3)	Below 1
D19-8 - B5-20 (LSWD)	Below 1
D19-7 - Body ground	Below 1
D19-4 or 1H-24 (ACT+) - Body ground	10 k or higher
D19-1 or B5-3 (ACTD) - Body ground	10 k or higher
D19-9 or 1I-17 (L2) - Body ground	10 k or higher
D19-10 or B5-23 (UL3) - Body ground	10 k or higher
D19-8 or B5-20 (LSWD) - Body ground	10 k or higher

Reconnect the front door lock connector.
Reconnect the multiplex network body ECU connector.
Reconnect the driver side J/B connectors.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR CONTROL SWITCH)

Remove the power window regulator master switch assembly.

Measure the resistance of the door control switch.

Standard (Double cab)

Fig 9: Inspecting Power Window Regulator Master Switch Assembly (Door Control Switch)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
1 (E) - 5 (L)	Lock	Below 1
1 (E) - 5 (L) 1 (E) - 8 (UL)	OFF	10 k or higher
1 (E) - 8 (UL)	Unlock	Below 1

Standard (Access cab)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
1 (E) - 2 (L)	Lock	Below 1
1 (E) - 2 (L) 1 (E) - 5 (UL)	OFF	10 k or higher
1 (E) - 5 (UL)	Unlock	Below 1

Reinstall the power window regulator master switch assembly.

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

OK: Go to next step

CHECK HARNESS AND CONNECTOR (MASTER SWITCH (SWITCH) - DRIVER SIDE J/B AND BODY GROUND)

Disconnect the P9 power window regulator master switch connector.
Disconnect the 1I driver side J/B connector.

Measure the resistance.

Standard (Double cab)

Fig 10: Disconnecting P9 Power Window Regulator Master Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
P9-5 (L) - 1I-18 (L1)	Below 1
P9-8 (UL) - 1I-14 (UL1)	Below 1
P9-1 (E) - Body ground	Below 1
P9-5 (L) or 1I-18 (L1) - Body ground	10 k or higher
P9-8 (UL) or 1I-14 (UL1) - Body ground	10 k or higher

Standard (Access cab)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
P9-2 (L) - 1I-18 (L1)	Below 1
P9-5 (UL) - 1I-14 (UL1)	Below 1
P9-1 (E) - Body ground	Below 1
P9-2 (L) or 1I-18 (L1) - Body ground	10 k or higher
P9-5 (UL) or 1I-14 (UL1) - Body ground	10 k or higher

Reconnect the power window regulator master switch connector.
Reconnect the driver side J/B connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE DRIVER SIDE JUNCTION BLOCK

INSPECT FUSE (DR LCK, J/B, ECU-B, ALT) REPLACE FUSE
1. Remove the DR LCK fuse from the driver side J/B.
2. Remove the J/B, ECU-B and ALT fuses from the engine room R/B.
3. Measure the resistance of the fuse.
  Standard: Below 1
4. Reinstall the DR LCK fuse.
5. Reinstall the J/B, ECU-B and ALT fuses.
NG: REPLACE FUSE

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (DRIVER SIDE J/B ASSEMBLY - BODY GROUND)

Disconnect the 1A, 1C, and 1H driver side J/B connectors.

Measure the voltage and resistance.

Fig 11: Disconnecting 1A, 1C & 1H Driver Side J/B Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
1A-6 (ALTB) - Body ground	10 to 14 V
1H-18 (GND) - Body ground	Below 1
1C-16 (ECUB) - Body ground	10 to 14 V

Reconnect the driver side J/B connectors.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE DRIVER SIDE JUNCTION BLOCK

INSPECT DOOR CONTROL SWITCH ASSEMBLY

Remove the door control switch (passenger side).

Measure the resistance of the door control switch.

Standard

Fig 12: Inspecting Door Control Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
3 (E) - 6 (L)	Lock	Below 1
3 (E) - 5 (UL) 3 (E) - 6 (L)	OFF	10 k or higher
3 (E) - 5 (UL)	Unlock	Below 1

Reinstall the door control switch.

NG: REPLACE DOOR CONTROL SWITCH ASSEMBLY

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - DRIVER SIDE J/B AND BODY GROUND)

Disconnect the D23 door control switch connector.
Disconnect the 1I driver side J/B connector.

Measure the resistance.

Standard

Fig 13: Disconnecting 1I Driver Side J/B Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
D23-6 (L) - 1I-7 (L1)	Below 1
D23-5 (UL) - 1I-3 (UL1)	Below 1
D23-3 (E) - Body ground	Below 1
D23-6 (L) or 1I-7 (L1) - Body ground	10 k or higher
D23-5 (UL) or 1I-3 (UL1) - Body ground	10 k or higher

Reconnect the door control switch connector.
Reconnect the driver side J/B connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE DRIVER SIDE JUNCTION BLOCK

INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK MOTOR)

Apply battery voltage to the door lock and check operation of the door lock motor.

NOTE: Do not apply battery voltage to any terminals except terminals 1 and 4.

OK: Go to Next Step

Fig 14: Applying Battery Voltage To Door Lock

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TERMINAL REFERENCE TABLE

Terminal No	Specified Condition
Battery positive (+) --> Terminal 4 Battery negative (-) --> Terminal 1	Lock
Battery positive (+) --> Terminal 1 Battery negative (-) --> Terminal 4	Unlock

NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH

OK: Go to Next Step

INSPECT FRONT DOOR LOWER FRAME BRACKET GARNISH RH (DOOR LOCK AND UNLOCK SWITCH AND POSITION SWITCH)

Measure the resistance of the door lock and unlock switch and position switch.

Standard (Door lock and unlock switch)

Fig 15: Measuring Resistance Of Door Lock, Unlock Switch & Position Switch

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Door Lock Condition	Specified Condition
6 -8	Lock Below	1
5 - 8, 6 - 8	OFF	10 k or higher
5 - 8	Unlock	Below 1

Standard (Position switch)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Door Lock Condition	Specified Condition
7 - 8	Lock	10 k or higher
7 - 8	Unlock	Below 1

NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH

OK: Go to next step

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK RH - ECU, DRIVER SIDE J/B AND BODY GROUND)

Disconnect the D20 front door lock connector.
Disconnect the B5 multiplex network body ECU connector.
Disconnect the 1H and 1I driver side J/B connectors.

Measure the resistance.

Standard

Fig 16: Disconnecting B5 Multiplex Network Body ECU Connector

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
D20-4 - 1H-23 (ACT+)	Below 1
D20-1 - 1H-5 (ACT-)	Below 1
D20-6 - 1I-4 (L2)	Below 1
D20-5 - 1I-19 (UL2)	Below 1
D20-7 - B5-11 (LSWP)	Below 1
D20-8 - Body ground	Below 1
D20-4 or 1H-23 (ACT+) - Body ground	10 k or higher
D20-1 or 1H-5 (ACT-) - Body ground	10 k or higher
D20-6 or 1I-4 (L2) - Body ground	10 k or higher
D20-5 or 1I-19 (UL2) - Body ground	10 k or higher
D20-7 or B5-11 (LSWP) - Body ground	10 k or higher

Reconnect the front door lock connector.
Reconnect the multiplex network body ECU connector.
Reconnect the driver side J/B connectors.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE DRIVER SIDE JUNCTION BLOCK (MULTIPLEX NETWORK BODY ECU)

INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK MOTOR)

Apply battery voltage to the door lock and check operation of the door lock motor.

NOTE: Do not apply battery voltage to any terminals except terminals 1 and 4.

Fig 17: Applying Battery Voltage To Door Lock & Check Operation Of Door Lock Motor

TERMINAL REFERENCE TABLE

Terminal No	Specified Condition
Battery positive (+) --> Terminal 4 Battery negative (-) --> Terminal 1	Lock
Battery positive (+) --> Terminal 1 Battery negative (-) --> Terminal 4	Unlock

NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH

OK: Go to Next Step

INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK AND UNLOCK SWITCH AND POSITION SWITCH)

Measure the resistance of the door lock and unlock switch and position switch.

Standard (Door lock and unlock switch)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Door Lock Condition	Specified Condition
6 -8	Lock	Below 1
5 - 8, 6 - 8	OFF	10 k or higher
5 - 8	Unlock	Below 1

Standard (Position switch)

Fig 18: Identifying Front Door Lock Assembly RH (Door Lock, Unlock Switch & Position Switch)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Door Lock Condition	Specified Condition
7 - 8	Lock	10 k or higher
7 - 8	Unlock	Below 1

NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH

OK: Go to next step

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK RH - ECU, DRIVER SIDE J/B AND BODY GROUND)

Disconnect the D20 front door lock connector.
Disconnect the B5 multiplex network body ECU connector.
Disconnect the 1H and 1I driver side J/B connectors.

Measure the resistance.

Standard

Fig 19: Disconnecting D20 Front Door Lock Connector

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
D20-4 - 1H-23 (ACT+)	Below 1
D20-1 - 1H-5 (ACT-)	Below 1
D20-6 - 1I-4 (L2)	Below 1
D20-5 - 1I-19 (UL2)	Below 1
D20-7 - B5-11 (LSWP)	Below 1
D20-8 - Body ground	Below 1
D20-4 or 1H-23 (ACT+) - Body ground	10 k or higher
D20-1 or 1H-5 (ACT-) - Body ground	10 k or higher
D20-6 or 1I-4 (L2) - Body ground	10 k or higher
D20-5 or 1I-19 (UL2) - Body ground	10 k or higher
D20-7 or B5-11 (LSWP) - Body ground	10 k or higher

Reconnect the front door lock connector.
Reconnect the multiplex network body ECU connector.
Reconnect the driver side J/B connectors.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT DOOR CONTROL SWITCH ASSEMBLY

Remove the door control switch (passenger side).

Measure the resistance of the door control switch.

Standard

Fig 20: Removing Door Control Switch (Passenger Side)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
3 (E) - 6 (L)	Lock	Below 1
3 (E) - 5 (UL) 3 (E) - 6 (L)	OFF	10 k or higher
3 (E) - 5 (UL)	Unlock	Below 1

Reinstall the door control switch.

NG: REPLACE DOOR CONTROL SWITCH ASSEMBLY

OK: Go to next step

CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - DRIVER SIDE J/B AND BODY GROUND)

Disconnect the D23 door control switch connector.
Disconnect the 1I driver side J/B connector.

Measure the resistance.

Standard

Fig 21: Disconnecting D23 Door Control Switch Connector

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
D23-6 (L) - 1I-7 (L1)	Below 1
D23-5 (UL) - 1I-3 (UL1)	Below 1
D23-3 (E) - Body ground	Below 1
D23-6 (L) or 1I-7 (L1) - Body ground	10 k or higher
D23-5 (UL) or 1I-3 (UL1) - Body ground	10 k or higher

Reconnect the door control switch connector.
Reconnect the driver side J/B connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE DRIVER SIDE JUNCTION BLOCK