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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 177 (Anti-Lock Brake System) >> Diagnostic Tests >> DTC C1257/ 57: Power Supply Drive Circuit >> Detecting Conditions

Detecting Conditions

WARNING: This page is about a different car, the 2003 Toyota Prius, 2002 Toyota Prius, and 2001 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

If after turning the ignition switch ON, a open or short circuit of power supply drive system inside ECU continues for more than 1.5 seconds.

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