| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM1000000026PW7 |
| Model Year Start: 2023 | Model: Corolla HV | Prod Date Range: [09/2022 - ] |
| Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY with PA10): U117E87; Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message; 2023 - 2025 MY Corolla HV [09/2022 - ] | ||
|
DTC |
U117E87 |
Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message |
DESCRIPTION
The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the inverter with converter assembly (MG ECU).
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Warning Indicate |
Note |
|---|---|---|---|---|---|---|
|
U117E87 |
Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message |
A CAN communication error between the MG ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system |
Comes on |
Master Warning: Comes on |
SAE Code: U117E |
MONITOR DESCRIPTION
If the hybrid vehicle control ECU detects a problem with CAN communication with the motor generator control ECU, it will illuminate the MIL and store a DTC.
MONITOR STRATEGY
|
Related DTCs |
U117E (INF U117E87): Lost Communication with Drive Motor Control Module "A" (ch4) verify communication |
|
Required sensors/components |
Main: Hybrid vehicle control ECU Sub: CAN bus line |
|
Frequency of operation |
Continuous |
|
Duration |
TMC's intellectual property |
|
MIL operation |
Immediately |
|
Sequence of operation |
None |
TYPICAL ENABLING CONDITIONS
|
The monitor will run whenever the following DTCs are not stored |
TMC's intellectual property |
|
Other conditions belong to TMC's intellectual property |
- |
TYPICAL MALFUNCTION THRESHOLDS
|
The monitor will run whenever the following DTCs are not stored |
TMC's intellectual property |
|
Other conditions belong to TMC's intellectual property |
- |
COMPONENT OPERATING RANGE
|
Hybrid vehicle control ECU |
U117E (INF U117E87) is not detected |
CONFIRMATION DRIVING PATTERN
HINT:
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.
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![2023 - 2025 MY Corolla HV [09/2022 - ]; HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY with PA10): UTILITY](/t3Portal/stylegraphics/info.gif)
- Connect the GTS to the DLC3.
- Turn the ignition switch to ON and turn the GTS on.
- 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 turn the GTS on.
-
With ignition switch to ON and wait for 2 minutes or more. [*1]
HINT:
[*1]: 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 / Hybrid Control / Utility / All Readiness.
-
Check the DTC judgment result.
HINT:
- 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, perform the normal judgment procedure again.
PROCEDURE
|
1. |
CHECK DTC OUTPUT |
(a) Check for DTCs.
Powertrain > Hybrid Control > Trouble Codes
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