HYBRID/TROUBLE SHOOTING
3–308
INSPECTION PROCEDURE: P314C (TC82)
1.
Set the starter key to the "LOCK" position.
2.
Disconnect the inverter cooling pump and the HV ECU1 connec-
tor.
3.
Using the electrical tester, measure the resistance between the
2nd terminal of inverter cooling pump connector and the ground.
NO
YES
1.
For the 2nd terminal of inverter cooling pump connector, inspect
the signal line of PCU wire harness (lower side) for short circuit.
(See "Inspecting the PCU harness signal line for short circuit.")
NO
YES
1
Inspecting the PCU wire harness (lower side) for short circuit
VEHICLE GND
SHTS03ZZZ0300207
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Inverter cooling
pump connector
2nd terminal
–
GND
10 k
or more
Is the measured value within the range of standard value?
Go to step 2.
Replace the PCU wire harness (lower side).
2
Inspecting the signal line of PCU wire harness (lower side) for short circuit
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Inverter cooling
pump connector
2nd terminal
–
Each signal line
10 k
or more
Is any defect found?
Replace the PCU wire harness (lower side).
Replace the inverter cooling pump.
After replacement, go to step 3.