STEP 1. Using scan tool (M.U.T.-IIISE), check data list.
Check the ETACS-ECU data list (Refer to ).(1) caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-IIISE). |
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect Scan Tool (M.U.T.-IIISE)
."
(2) Check the LDW switch signal.- When the LDW switch is pressed.
| Item No. | Item name | Normal condition | 109 | LDW switch | ON |
|
Item No. | Item name | Normal condition |
109 | LDW switch | ON |
- When the LDW switch is not pressed.
| Item No. | Item name | Normal condition | 109 | LDW switch | OFF |
|
Item No. | Item name | Normal condition |
109 | LDW switch | OFF |
OK: Normal condition is displayed.
Is the check result normal?
Go to Step 2. : Go to Step 4.
STEP 2. Using scan tool (M.U.T.-IIISE), check data list.
STEP 3. Retest the system.
STEP 4. Check of short to ground, and open circuit in LDWS line between ETACS-ECU connector and LDW switch connector.
STEP 5. Check of open circuit in ground line between LDW switch connector and body ground.
STEP 6. Check the LDW switch.
STEP 7. Using scan tool (M.U.T.-IIISE), check data list.