[Previous][Next]
INSPECTION PROCEDURE 2: One of electric-folding door mirrors does not work.
 
 
cautionBefore replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
 
 
 
 
TECHNICAL DESCRIPTION (COMMENT)
If either of the electric folding door mirrors does not work, the appropriate door mirror assembly may be defective.
 
 
 
TROUBLESHOOTING HINTS
  • Malfunction of the door mirror assembly
  • Malfunction of ETACS-ECU
  • Damaged wiring harness and connectors
 
 
 
 
DIAGNOSIS
Required Special Tools:
  • MB991223: Harness Set
  • MB992006: Extra Fine Probe
STEP 1. Determine a trouble spot.
Which of the door mirrors cannot be folded/unfolded?
LH door mirror : Go to Step 2.
RH door mirror : Go to Step 6.
 
STEP 2. Check the F-01 door mirror assembly (LH) connector
Is the check result normal?
Go to Step 3.
Repair the damaged connector.
 
STEP 3. Check the door mirror assembly (LH).
Check that the door mirror (LH) works normally (Refer to ).
Is the check result normal?
Go to Step 4.
Replace the door mirror assembly (LH).
 
STEP 4. Check the ETACS-ECU connector C-417 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Is the ETACS-ECU connector C-417 in good condition?
Go to Step 5.
Repair the damaged connector.
 
STEP 5. Check the wiring harness between F-01 door mirror assembly (LH) connector (terminal Nos. 5, 14) and C-417 ETACS-ECU connector (terminal Nos. 13, 14).
notePrior to the wiring harness inspection, check C-225 intermediate connector, and repair it if necessary.
  • Check the input and output lines for open or short circuit.
Is the wiring harness between F-01 door mirror assembly (RH) connector (terminal Nos. 5, 14) and C-417 ETACS-ECU connector (terminal Nos. 13, 14) in good condition?
Go to Step 10.
Repair the wiring harness.
 
STEP 6. Check the door mirror assembly (RH) connector F-04 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Is the door mirror assembly (RH) connector F-04 in good condition?
Go to Step 7.
Repair the damaged connector.
 
STEP 7. Check the door mirror assembly (RH).
Check that the door mirror (RH) works normally (Refer to ).
Is the check result normal?
Go to Step 8.
Replace the door mirror assembly (RH).
 
STEP 8. Check the ETACS-ECU connector C-417 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Is the ETACS-ECU connector C-417 in good condition?
Go to Step 9.
Repair the damaged connector.
 
STEP 9. Check the wiring harness between F-04 door mirror assembly (RH) connector (terminal Nos. 5, 14) and C-417 ETACS-ECU connector (terminal Nos. 13, 14).
notePrior to the wiring harness inspection, check C-212 intermediate connector, and repair it if necessary.
  • Check the input and output lines for open or short circuit.
Is the wiring harness between F-04 door mirror assembly (RH) connector (terminal Nos. 5, 14) and C-417 ETACS-ECU connector (terminal Nos. 13, 14) in good condition?
Go to Step 10.
Repair the wiring harness.
 
STEP 10. Retest the system.
Check that the electric folding door mirrors work normally.
Is the check result normal?
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction .)
Replace ETACS-ECU.