DTC P3110-223: HV Main Relay [10/2014 - 10/2015]: Procedure

1. Remove the IGCT relay from the No. 2 engine room relay block.
2. Measure the resistance according to the value (s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	IGCT Relay

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   3 - 5	Auxiliary battery voltage is not applied between terminals 1 and 2	10 kΩ or higher

3. Install the IGCT relay.

NG 

REPLACE RELAY (IGCT) 

OK 

See step  2

1. Remove the IGCT relay from the No. 2 engine room relay block.
2. Disconnect the A53 and A54 power management control ECU connectors.
3. Measure the voltage according to the value (s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	No. 2 Engine Room Relay Block	*2	IGCT Relay
   *a	Rear view of wire harness connector (to Power Management Control ECU)	-	-

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A54-5 (+B1), A53-2 (+B2) or 5 (IGCT relay) - Body ground	Power switch off	Below 1 V

4. Install the IGCT relay.
5. Reconnect the A53 and A54 power management control ECU connectors.

OK 

REPLACE POWER MANAGEMENT CONTROL ECU 

(Refer to COMPONENTS [10/2014 - 10/2015] )

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR