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Last Modified: 11-27-2007 |
1.6 G |
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Service Category: Vehicle Interior |
Section: Door Lock |
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Model Year: 2008 |
Model: LX570 |
Doc ID: RM000001VYW007X |
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Title: DOOR LOCK: BACK DOOR LOCK: INSPECTION (2008 LX570) |
INSPECTION
1. 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:
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Measurement Condition
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Specified Condition
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Battery positive (+) → 2 (ACT+)
Battery negative (-) → 1 (ACT-)
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Moves to open-latch position
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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:
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Tester Connection
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Condition
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Specified Condition
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1 (ACT-) - 3 (+)
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Open-latch
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Below 1 Ω
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1 (ACT-) - 3 (+)
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Full-latch
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10 kΩ or higher
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If the result is not as specified, replace the back door lock assembly.
2. INSPECT BACK DOOR LOCK ASSEMBLY (w/ Power Back Door)
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(a) Inspect the closer motor operation.
(1) Set the back door lock assembly to the full-latch position.
(2) Apply battery voltage and check the operation of the door lock motor.
OK:
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Measurement Condition
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Specified Condition
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Battery positive (+) → 2 (ACT+)
Battery negative (-) → 1 (ACT-)
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Moves to open-latch position
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If the result is not as specified, replace the back door lock assembly.
(3) Set the back door lock assembly to the half-latch position.
(4) Apply battery voltage and check the operation of the door lock motor.
OK:
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Measurement Condition
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Specified Condition
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Battery positive (+) → 1 (ACT-)
Battery negative (-) → 2 (ACT+)
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Moves to over-latch position
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If the result is not as specified, replace the back door lock assembly.
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(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Half-latch Switch
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Tester Connection
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Condition
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Specified Condition
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5 (CLS) - 4 (E)
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Over-latch
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Below 1 Ω
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5 (CLS) - 4 (E)
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Full-latch
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10 kΩ or higher
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5 (CLS) - 4 (E)
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Half-latch
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10 kΩ or higher
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5 (CLS) - 4 (E)
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Open-latch
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10 kΩ or higher
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Closer Position Switch:
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Tester Connection
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Condition
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Specified Condition
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6 (OPN) - 4 (E)
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Selector gear is in center position
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Below 1 Ω
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6 (OPN) - 4 (E)
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Selector gear is not in center position
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10 kΩ or higher
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Back Door Courtesy Switch:
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Tester Connection
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Condition
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Specified Condition
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3 (CTY) - 4 (E)
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Selector gear is in center position
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Below 1 Ω
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3 (CTY) - 4 (E)
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Selector gear is not in center position
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10 kΩ or higher
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If the result is not as specified, replace the back door lock assembly.
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