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2005
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RX 330 AWD V6-3.3L (3MZ-FE)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Suspension Control
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DTC 74
DTC 74
DTC 74 POWER SOURCE CIRCUIT
CIRCUIT DESCRIPTION
DTC Detecting Condition:
Battery voltage is constantly applied to the +B terminal of the suspension control ECU. It is applied to the IG terminal when the ignition switch is on.
Wiring Diagram:
Step 1 - 3:
Step 4 - 5:
Step 6: