Back Door Lock
Removal REMOVAL PROCEDURE
1. REMOVE BACK DOOR LOCK PROTECTOR SUB-ASSEMBLY
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2. REMOVE ASSIST STRAP HOLE COVER
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3. REMOVE ASSIST STRAP ASSEMBLY
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4. REMOVE BACK DOOR TRIM PANEL ASSEMBLY
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5. REMOVE MULTIPLEX NETWORK DOOR ECU
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6. REMOVE NO. 2 BACK DOOR SERVICE HOLE COVER
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7. REMOVE BACK DOOR LOCK ASSEMBLY
(a) Detach the 2 clamps and claw. |
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(b) Disconnect the connector. |
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(c) Remove the 3 bolts and back door lock assembly.
Inspection INSPECTION PROCEDURE1. INSPECT BACK DOOR LOCK ASSEMBLY
(a) Set the back door lock to the full-latch position.
(b) Apply battery voltage to the door motor connector and check the operation of the door lock motor.
OK:
Measurement Condition | Specified Condition |
|---|---|
Battery positive (+) → 1 (ACT+) Battery negative (-) → 4 (ACT-) |
Moves to open-latch position |
- If the result is not as specified, replace the back door lock assembly.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
|---|---|---|
3 (E) - 2 (S) |
Open-latch |
Below 1 Ω |
3 (E) - 2 (S) |
Full-latch |
10 kΩ or higher |
- If the result is not as specified, replace the back door lock assembly.
*a |
Component without harness connected (Back Door Lock Assembly) |
*b |
Full-latch |
*c |
Open-latch |
1. INSTALL BACK DOOR LOCK ASSEMBLY
(a) Install the back door lock assembly with the 3 bolts. Torque: 13 N·m {133 kgf·cm, 10 ft·lbf} |
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(b) Connect the connector.
(c) Attach the 2 clamps and claw. |
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2. INSTALL NO. 2 BACK DOOR SERVICE HOLE COVER
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3. INSTALL MULTIPLEX NETWORK DOOR ECU
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4. INSTALL BACK DOOR TRIM PANEL ASSEMBLY
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5. INSTALL ASSIST STRAP ASSEMBLY
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6. INSTALL ASSIST STRAP HOLE COVER
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7. INSTALL BACK DOOR LOCK PROTECTOR SUB-ASSEMBLY
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Test yourself
A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.


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