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Last Modified: 11-27-2007 |
1.6 J |
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Service Category: Vehicle Interior |
Section: Meter/Gauge/Display |
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Model Year: 2008 |
Model: LX570 |
Doc ID: RM000000V8000JX |
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Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DESCRIPTION (2008 LX570) |
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Odo/Trip Switch Malfunction
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DESCRIPTION
The ODO/TRIP display of the meter changes each time the ODO/TRIP switch on the light control rheostat is pressed.
HINT:
For more information about changing between displays, refer to the owner's manual.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1.
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READ VALUE USING TECHSTREAM (LIGHT CONTROL RHEOSTAT)
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(a) Operate the Techstream according to the display and select the Data List.
Combination Meter
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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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ODO/TRIP Change SW
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ODO/TRIP switch condition/ON or OFF
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ON: ODO/TRIP switch pushed
OFF: ODO/TRIP switch not pushed
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-
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OK:
Switch condition (ON/OFF) can be switched by actual operation.
| OK |
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2.
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INSPECT LIGHT CONTROL RHEOSTAT (ODO/TRIP SWITCH)
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(a) Remove the light control rheostat
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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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Switch Condition
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Specified Condition
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4 (A/B) - 1 (E)
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ODO/TRIP switch on (Pushed)
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Below 100 Ω
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ODO/TRIP switch off (Not pushed)
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1 MΩ or higher
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| OK |
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3.
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CHECK HARNESS AND CONNECTOR (COMBINATION METER - LIGHT CONTROL RHEOSTAT)
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(a) Disconnect the E77 meter connector.
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(b) Disconnect the E9 switch 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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E77-27 (RSET) - E9-4 (A/B)
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Always
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Below 1 Ω
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E77-34 (E2) - E9-1 (E)
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E77-34 (E2) - Body ground
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E77-27 (RSET) or E9-4 (A/B) - Body ground
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Always
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10 kΩ or higher
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| OK |
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