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Last Modified: 11-27-2007 |
1.6 C |
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Service Category: Steering |
Section: Steering Column |
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Model Year: 2008 |
Model: LX570 |
Doc ID: RM000000YU800IX |
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Title: VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: DESCRIPTION (2008 LX570) |
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DTC
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C15A5/65
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Actuator Malfunction
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DESCRIPTION
If the steering control ECU detects a malfunction in the lock mechanism, it will turn the master warning light on, store DTC C15A5/65, and stop VGRS operation.
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DTC Code
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DTC Detection Condition
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Trouble Area
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C15A5/65
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The steering control ECU detects that the LG terminal voltage is abnormal.
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Harness or connector
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Steering actuator
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Steering control ECU
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WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1.
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CHECK HARNESS AND CONNECTOR (STEERING CONTROL ECU - STEERING ACTUATOR)
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(a) Disconnect the E84 steering control ECU connector.
(b) Disconnect the E85 steering actuator 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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E84-3 (LV) - E85-7 (LV+)
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Always
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Below 1 Ω
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E84-12 (LG) - E85-16 (LG+)
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E84-3 (LV) - Body ground
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Always
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10 kΩ or higher
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E84-12 (LG) - Body ground
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(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
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Tester Connection
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Switch Condition
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Specified Condition
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E84-3 (LV) - Body ground
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Engine switch on (IG)
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Below 1 V
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E84-12 (LG) - Body ground
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| OK |
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2.
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CHECK STEERING ACTUATOR (STEERING CONTROL ECU - STEERING ACTUATOR)
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(a) Disconnect the E84 steering control ECU connector.
(b) Reconnect the E85 steering actuator 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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E84-3 (LV) - E84-12 (LG)
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Always
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10 to 100 Ω
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E84-3 (LV) - Body ground
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Always
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10 kΩ or higher
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E84-12 (LG) - Body ground
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| OK |
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