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M37 Base
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Repair and Diagnosis (Single Page)
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Steering Control System (With 4WAS)
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DTC/Circuit Diagnosis
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DTC C1654: 4WAS Front Actuator Relay
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DTC Logic
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DTC Detection Logic
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DTC Detection Logic
DTC
Display Item
Malfunction detected condition
Possible cause
C1654
ACTUATOR RELAY
An error is detected on the main relay power supply inside 4WAS front control unit.
The main relay power supply inside 4WAS front control unit error is detected.