Code No. U1432: ETACS-ECU CAN communication fail information
caution |
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TROUBLE JUDGEMENT
COMMENT ON TROUBLE SYMPTOM
Current trouble
- The ETACS-ECU (free-run counter-related) or EPS-ECU itself may be faulty.
- Carry out diagnosis with particular emphasis on wiring harness and connectors relevant
to the ETACS-ECU (free-run counter-related). For diagnosis procedures, refer to "How to Cope
with Historic Trouble" (GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).
PROBABLE CAUSES
- Defective harness wire(s) or connector(s)
- The ETACS-ECU may be defective
- Malfunction of the EPS-ECU
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnosis
Q.
Is the check result satisfactory?
STEP 2. Use M.U.T.-III to confirm a diagnosis code of other systems.
Q.
Is the diagnosis code set?
STEP 3. Diagnosis code recheck
(1)Turn the electric motor switch to the "LOCK" (OFF) → "ON" position. |
(2)Check if the diagnosis code No. C1432 is set as a current trouble. |
Q.
Is diagnosis code C1432 set?
STEP 4. Diagnosis code recheck
(1)Turn the electric motor switch to the "LOCK" (OFF) → "ON" position. |
(2)Check if the diagnosis code No. C1432 is set as a current trouble. |