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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Nickel Metal Hydride) - Diagnostic Codes (P314A-U0424) & Circuit Tests >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> Circuit Tests >> Shut Down Signal Circuit [04/2018 - 08/2020] >> Description

Shut Down Signal Circuit [04/2018 - 08/2020]: Description

The cause of the malfunction may be a shutdown signal.

Check whether there is a shutdown signal +B short circuit.

RELATED PARTS CHECK

Area Inspection
HSDN terminal Check that the HSDN terminal voltage decreases to check for an open or short circuit while READY off (IG ON).
Hybrid vehicle control ECU, inverter, wire harness Check for open or short circuit in hybrid vehicle control ECU, inverter and wire harness.