[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > ETACS > INPUT SIGNAL PROCEDURES > THE FRONT DOOR SWITCH (LH) SIGNAL IS NOT SENT TO THE ETACS-ECU.
Inspection Procedure 6: The front door switch (passenger’s side) 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 front door switch (passenger’s side) input signal, the front door switch (passenger’s side) signal is no longer output to the communication line.
 
 
PROBABLE CAUSES
  • Malfunction of front door switch (RH)
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors
 
 
DIAGNOSIS PROCEDURE
STEP 1. Check the installation condition.
Check that the front door switch (passenger’s side) is installed to the body correctly.
Is the check result normal?
Go to Step 2.
Correct the installation condition.
 
STEP 2. Front door switch (passenger’s side) check
Refer to GROUP 42A - Door .
Is the check result normal?
Go to Step 3.
Replace the front door switch (passenger’s side).
 
STEP 3. Check of short to power supply, short to earth, and open circuit in DAS line between ETACS-ECU connector and front door switch (RH) 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 front passenger's door.
 
Item No.Item nameNormal condition
82Passenger’s 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.