|
- Using M.U.T.-III, perform CAN busline diagnosis.
|
|
Q.
Is the check result normal?
|
|
Correct CAN busline (Refer to Group 54F -
Diagnosis -
Can Bus
Diagnostic Table ), and then go to Step 6 .
|
|
|
|
- Confirm whether the diagnosis code is output from A/C-ECU.
|
|
Q.
Is the diagnosis code output?
|
|
Perform the troubleshooting of A/C-ECU (Refer to GROUP 55 Troubleshooting -
Diagnosis
Code Chart ).
|
|
|
|
- Confirm whether Diagnosis Code U1110 A/C-ECU time-out is output from the
following ECU having CAN communication with A/C ECU.
- ETACS-ECU
|
|
Q.
Is the diagnosis code output?
|
|
- Reconfirm whether the diagnosis code is output from engine-ECU <M/T>
or
engine-A/T-ECU <A/T>.
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis code is output.
|
|
Q.
Is the diagnosis code output?
|
|
Replace A/C-ECU, go to Step 6 .
|
|
|
|
Intermittent malfunction in CAN busline between engine-ECU <M/T>
or
engine-A/T-ECU <A/T>
and A/C-ECU (Refer to GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points ).
|
|
|
|
- Reconfirm whether the diagnosis code is output from engine-ECU<M/T>
or
engine-A/T-ECU <A/T>.
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis code is output.
|
|
Q.
Is the diagnosis code output?
|
|
Replace engine-ECU<M/T>
or engine-A/T-ECU <A/T>,
go to Step 6 .
|
|
|
|
Intermittent malfunction in CAN busline between engine-ECU <M/T>
or
engine-A/T-ECU <A/T>
and A/C-ECU (Refer to GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points ).
|
|
|
|
- Reconfirm whether the diagnosis code is output from engine-ECU <M/T>
or
engine-A/T-ECU <A/T>.
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis code is output.
|
|
Q.
Is the diagnosis code output?
|