DTC P0AE2-773: Hybrid Battery Precharge Contactor Circuit Stuck Closed: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK HYBRID VEHICLE CONVERTER WARNING:
Be sure to wear insulated gloves.
- Turn the power switch off and remove the service plug grip. Refer to PRECAUTION
.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair information because this may cause a malfunction.
- Disconnect the w1, v1 and v3 hybrid vehicle converter (DC/DC converter) connectors from the HV relay assembly.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
Tester Connection Specified Condition w1-1 (Precharge -) - v1-1 (High voltage -) 10 kΩ or more HINT:
If the resistance is between 28.5 and 31.5 Ω, it can be determined that the SMRP is stuck closed.
NG → See step 4
OK: Go to next step
- Turn the power switch off and remove the service plug grip. Refer to PRECAUTION
.
- CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR). Refer to PROCEDURE - Step 3
NG → CONNECT SECURELY
OK: Go to next step
- CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONVERTER CONNECTOR). Refer to PROCEDURE - Step 6
NG → CONNECT SECURELY
OK → See step 4
- REPLACE HYBRID VEHICLE CONVERTER. Refer to REMOVAL