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Home >> Toyota >> 2005 >> MR2 C65M >> Repair and Diagnosis >> Engine Performance >> System >> Engine - Diagnostics >> DTC P1646: Transmission Control ECU Malfunction* >> Typical Enabling Condition
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Typical Enabling Condition

TYPICAL ENABLING CONDITION SPECIFICATION TABLE

The monitor will run whenever the following DTCs are not present See "List of disable a monitor" (in PRE-CHECK  )
Time after ignition switch OFF to ON 5 seconds or more
Starter OFF
Battery voltage 8 V or more