STEP 1. Check the remote controlled mirror switch.
STEP 2. Check the remote controlled mirror switch connector F-12 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
STEP 3. Measure the resistance at the F-12 remote controlled mirror switch connector.
(1) Disconnect the connector, and measure the resistance at the wiring harness-side connector.
(2) Measure the resistance between F-12 remote controlled mirror switch connector terminal No. 1 and body ground.OK: The measured value should be continuity exists (2 ohms or less).
Is the check result normal?
Go to Step 5
.
Go to Step 4
.
STEP 4. Check the wiring harness between F-12 remote controlled mirror switch connector terminal No. 1 and body ground.
STEP 5. Check the ETACS-ECU connector C-411 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
STEP 6. Check the wiring harness between C-411 ETACS-ECU connector terminal No. 24 and F-12 remote controlled mirror switch connector terminal No. 4.
STEP 7. Using scan tool MB991958, check data list.
(1) caution | To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958. |
Connect scan tool MB991958. Refer to "How to connect the Scan Tool (M.U.T.-III)
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."
(2) Turn the ignition switch to the "ON" position.
(3) Check the input signals from the remote controlled mirror switch (fold switch).- During the folding/unfolding switch is being pressed.
| Item No. | Item name | Normal condition | 267 | Mirror switch | ON |
|
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.