[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > ETACS > INPUT SIGNAL PROCEDURES > THE REAR DOOR SWITCH (LH) SIGNAL IS NOT SENT TO THE ETACS-ECU.
Inspection Procedure 8: The rear door switch (LH) signal is not received.
 
 
caution
  • Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.
 
 
COMMENTS ON TROUBLE SYMPTOM
If there is an error to the rear door switch (LH) input signal, the rear door switch (LH) signal is no longer output to the communication line.
 
 
PROBABLE CAUSES
  • Malfunction of rear door switch (LH)
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors
 
 
DIAGNOSIS PROCEDURE
STEP 1. Check the installation condition.
Check that the rear door switch (LH) is installed to the body correctly.
Is the check result normal?
Go to Step 2.
Correct the installation condition.
 
STEP 2. Rear door switch (LH) check
Refer to GROUP 42A - Door .
Is the check result normal?
Go to Step 3.
Replace the rear door switch (LH).
 
STEP 3. Check of short to power supply, short to earth, and open circuit in DLH line between ETACS-ECU connector and rear door switch (LH) connector
Is the check result normal?
Go to Step 4.
Repair the connector(s) or wiring harness.
 
STEP 4. M.U.T.-IIISE data list
  • Open the rear left door.
 
Item No.Item nameNormal condition
84Rear left door ajar switchOpen
OK: Normal condition is displayed.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).
Replace the ETACS-ECU.