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- Using M.U.T.-III, perform CAN busline diagnosis.
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Q.
Is the check result normal?
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Correct CAN busline (Refer to GROUP54D -
Diagnosis -
Can Bus
Diagnosis Table ), and then go to Step 6 .
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- Confirm whether the diagnosis codes are output from ASTC-ECU.
|
|
Q.
Are the diagnosis codes set?
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Perform the troubleshooting of ASTC (Refer to GROUP 35C -
Inspection
Chart For Diagnosis Code ).
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- Confirm whether Diagnosis Code U1102: ASTC-ECU time-out is output from the
following ECU having CAN communication with ASTC-ECU
- Combination meter
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|
Q.
Is the diagnosis code set?
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- Reconfirm whether the diagnosis codes are output from engine-A/T-ECU.
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
|
|
Q.
Are the diagnosis codes set?
|
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Replace the ASTC-ECU. Then go to Step 6 .
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Intermittent malfunction in CAN busline between engine-A/T-ECU (Refer to GROUP
00 -
How to Use Troubleshooting/Inspection Service Points -
How to Cope with
Intermittent Malfunctions ).
|
|
|
|
- Reconfirm whether the diagnosis codes are output from engine-A/T-ECU.
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
|
|
Q.
Are the diagnosis codes set?
|
|
Replace the engine-A/T-ECU. Then go to Step 6 .
|
|
|
|
Intermittent malfunction in CAN busline between engine-A/T-ECU and ASTC-ECU (Refer
to GROUP 00 -
How to Use Troubleshooting/Inspection Service Points -
How to
Cope with Intermittent Malfunctions ).
|
|
|
|
- Reconfirm whether the diagnosis codes are output from engine-A/T-ECU.
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
|
|
Q.
Are the diagnosis codes set?
|