The motor generator control ECU (MG ECU), which is built into the inverter with converter assembly, monitors its internal operation and detects malfunctions.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | Note |
|---|---|---|---|---|---|---|
| P19F81C | Generator Control Module Offset Power Circuit Voltage Out of Range | Motor generator control ECU internal malfunction
(1 trip detection logic) |
·
Inverter with converter assembly ·
Hybrid vehicle transaxle assembly ·
Wire harness or connector |
Comes on | Master Warning:
Comes on |
SAE Code:
P19F8 |
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
Turn the ignition switch off and wait for 2 minutes or more.
Turn the ignition switch to ON and wait for 5 seconds or more.* [*1]
*: Lightly wiggle the connectors and wire harnesses up and down and right and left.
Turn the ignition switch to ON (READY) and wait for 5 seconds or more. [*2]
Depress the accelerator pedal of the vehicle with the engine stopped and the shift lever in P to start the engine. [*3]
Keep the engine running for 5 seconds or more. [*4]
Drive the vehicle forward with the shift lever in D for 5 m (16 ft.) or more. [*5]
Drive the vehicle backward with the shift lever in R for 5 m (16 ft.) or more. [*6]
[*1] to [*6]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
Enter the following menus: Powertrain / Motor Generator / Utility / All Readiness.
Check the DTC judgment result.
If the judgment result shows NORMAL, the system is normal.
If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result shows INCOMPLETE or N/A, perform driving pattern again.
Refer to the wiring diagram for the Generator Resolver Circuit.
Refer to the precautions before inspecting high voltage circuit.
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
When disconnecting and reconnecting the auxiliary battery.
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
| Result | Proceed to |
|---|---|
| OK | A |
| NG (The connector is not connected securely.) | B |
| NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) | C |
A
B
C
| Proceed to |
|---|
| NEXT |
NEXT