P3110-223

P310 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P3110-223: IGCT Relay Malfunction

DTC P3110-223 - IGCT Relay Malfunction

DESCRIPTION
- The HV control ECU monitors the IGCT relay and detects a malfunction.





WIRING DIAGRAM





INSPECTION PROCEDURE
HINT: If the battery voltage is applied to terminal +B1, +B2, or MREL of the HV control ECU, even though the ignition switch is off, the circuit is shorted to +B.

PROCEDURE

1. INSPECT IGCT RELAY





(a) Remove the IGCT relay from the engine room R/B.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE IGCT RELAY
OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR