P3140

DTC P3140 INTERLOCK MALFUNCTION

CIRCUIT DESCRIPTION
If the HV ECU detects the operation of the safety devices (removal of the service plug, inverter terminal cover and sensor cover) while the vehicle is not running (with the vehicle is stopped), it will shut down the system main relay. It the safety devices are correctly installed, it will resume the normal operation after the power source is supplied again. If it does not, there is a possibility of an open circuit, so perform the same inspection as the information code 351.

HINT:
- When using an OBD II scan tool other than TOYOTA hand-held tester, check all the steps.
- When using TOYOTA hand-held tester, confirm the information code and check it.

Detecting Condition:

DTC P3140 - Information code 350

CIRCUIT DESCRIPTION
The HV ECU records the information code 351 and gives warning to the driver when it detects an open circuit in the interlock signal circuit while the vehicle is running. In this case, it does not shut down the high voltage system.

Detecting Condition:

DTC P3140 - Information code 351

Wiring Diagram:

Step 1 - 3:

INSPECTION PROCEDURE