DTC P33B9-9F: Motor/Generator Shutdown Signal (Hybrid/EV Side) Stuck Off: General Description

Malfunction description 

Hybrid vehicle control ECU assembly detects a malfunction that the emergency shutdown line (HSDN) for the inverter cannot shut down. While detection is performed at starting with IG ON and at READY OFF, this DTC is confirmed when the following portion is faulty. (When a faulty portion cannot be determined, DTC P321E-9F is output.)

• Malfunction of Hybrid vehicle control ECU assembly

Explanation for circuits 

For the circuit explanation, refer to DTC P321E-9F. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P321E-9F: MOTOR/GENERATOR SHUTDOWN SIGNAL STUCK OFF .