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Last Modified: 11-27-2007 |
1.6 C |
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Service Category: Vehicle Exterior |
Section: Door/Hatch |
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Model Year: 2008 |
Model: LX570 |
Doc ID: RM000003EUL000X |
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Title: DOOR / HATCH: TAIL GATE CLOSER SYSTEM: DESCRIPTION (2008 LX570) |
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DTC
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B225C
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Tail Gate Panel Position Switch LH
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DESCRIPTION
The No. 2 main body ECU receives the close position switch signal from the lower tail gate lock LH and detects the open/closed status of the lower tail gate. DTC B225C is stored when the ECU receives a close position switch malfunction signal from the lower tail gate lock LH.
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DTC Code
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DTC Detection Condition
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Trouble Area
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B225C
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A close position switch malfunction (open or short circuit) signal from the lower tail gate lock LH is received.
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Lower tail gate lock LH
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Harness or connector
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No. 2 main body ECU
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WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1.
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READ VALUE USING TECHSTREAM (CLOSE POSITION SWITCH)
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(a) Check the Data List for proper functioning of the close position switch.
Body No. 4
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Tester Display
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Measurement Item/Range
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Normal Condition
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Diagnostic Note
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Position Switch LH
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Close position switch LH signal/ON or OFF
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ON: Lower tail gate closed
OFF: Lower tail gate open
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-
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OK:
The display is as specified in the normal condition.
| OK |
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(a) Starting with the lower tail gate closed, open and close the lower tail gate 6 times.
(b) Check for DTCs
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(c) Clear the DTCs
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(d) Starting with the lower tail gate closed, open and close the lower tail gate 6 times.
(e) Recheck for DTCs
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OK:
DTC B225C is not output.
| OK |
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3.
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INSPECT LOWER TAIL GATE LOCK ASSEMBLY LH
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(a) Remove the lower tail gate lock LH
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(b) 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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7 (HND) - 8 (GND)
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Over-latch
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Below 1 Ω
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7 (HND) - 8 (GND)
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Full-latch
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10 kΩ or higher
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7 (HND) - 8 (GND)
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Half-latch
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10 kΩ or higher
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7 (HND) - 8 (GND)
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Open-latch
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10 kΩ or higher
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| OK |
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4.
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CHECK HARNESS AND CONNECTOR (LOCK - ECU AND BODY GROUND)
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(a) Disconnect the f3 lock connector.
(b) Disconnect the L34 ECU connector.
(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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f3-7 (HND) - L34-10 (LMT)
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Always
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Below 1 Ω
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f3-8 (GND) - Body ground
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Always
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Below 1 Ω
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f3-7 (HND) - Body ground
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Always
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10 kΩ or higher
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| OK |
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