Toyota Corolla Cross: Lost Communication with Stop and Start Control Module Missing Message (U110387)
DESCRIPTION
The TCM and engine stop and start ECU send and receive signals via CAN communication.
If a communication error occurs between the TCM and engine stop and start ECU,
the TCM stores this DTC.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
MIL
|
Memory
|
Note
|
U110387
|
Lost Communication with Stop and Start Control Module Missing Message
|
There is no communication between the TCM and engine stop and start ECU
(1 trip detection logic).
|
- CAN Communication System
- TCM
- Engine Stop and Start ECU
|
Does not come on
|
DTC stored
|
SAE Code:
-
|
CONFIRMATION DRIVING PATTERN
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for at least 30 seconds.
- Turn the ignition switch to ON and turn the GTS on.
- Wait for 5 seconds or more with the ignition switch to ON.
- Enter the following menus: Powertrain / Transmission / Utility / All Readiness.
- Input the DTC: U110387.
- Check the DTC judgment result.
GTS Display
|
Description
|
NORMAL
|
- DTC judgment completed
- System normal
|
ABNORMAL
|
- DTC judgment completed
- System abnormal
|
INCOMPLETE
|
- DTC judgment not completed
- Perform driving pattern after confirming DTC enabling conditions
|
N/A
|
- Unable to perform DTC judgment
- Number of DTCs which do not fulfill DTC preconditions has reached
ECU memory limit
|
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 or N/A, perform the Confirmation
Driving Pattern and check the DTC judgment result again.
CAUTION / NOTICE / HINT
NOTICE:
- Perform registration and/or initialization when parts related to the continuously
variable transaxle system are replaced.
Click here
- Check that no DTCs are stored after performing initialization.
Click here
PROCEDURE
1.
|
CLEAR DTC AND PERFORM ROAD TEST
|
(a) Clear the DTCs.
Powertrain > Transmission > Clear DTCs
HINT:
Write down the currently output DTCs before clearing them.
(b) Start the engine and drive the vehicle at a low speed.
NEXT |
|
|
2.
|
CHECK DTC OUTPUT (DTC U110387)
|
(a) Enter the following menus:
Powertrain > Transmission > Trouble Codes
(b) Read the DTCs using the GTS.
Result
|
Proceed to
|
DTC U110387 is not output
|
A
|
DTC U110387 is output
|
B
|
A |
|
CHECK FOR INTERMITTENT PROBLEMS
Click here
Click here
|
READ NEXT:
DESCRIPTION
After moving the shift lever to M, it is possible to change the shift range between
M1 and M10 using the shift lever. Moving the shift lever to "+" once raises the
shift ran
DESCRIPTION
When the ignition switch is ON, auxiliary battery voltage is applied to terminal
MREL of the ECM through the coil of the EFI-MAIN relay. This causes the EFI-MAIN
relay to close, which
Components
COMPONENTS
ILLUSTRATION
*1
FRONT DRIVE SHAFT OIL SEAL LH
-
-
●
Non-reusable part
-
-
SEE MORE:
Removal
REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
IGNITION COIL ASSEMBLY
19500
-
-
2
SPARK PLUG
INSPECTION PROCEDURE 1. INSPECT SPIRAL CABLE SUB-ASSEMBLY
NOTICE:
Do not remove the steering sensor from the spiral cable sub-assembly when inspecting the spiral cable sub-assembly.
Remove the steering sensor from the spiral cable sub-assembly only when replacing the spiral cable sub-asse