[Previous][Next]
Inspection Procedure 9: The column switch signal is not received.
 
 
 
 
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU receives the column switch signal via the LIN communication. If there is an abnormality to column switch or LIN bus line, the lights and wiper/washer do not work normally.
 
 
TROUBLESHOOTING HINTS
  • The column switch assembly may be defective.
  • The LIN bus line may be defective.
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-III), read the ETACS diagnostic trouble code.
(1)
cautionTo prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
Connect scan tool (M.U.T.-III). Refer to "How to connect the Scan Tool (M.U.T.-III) ."
(2) Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3) Check if DTC is set.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the DTC set?
Troubleshoot the ETACS-ECU (Refer to ).
Replace the column switch assembly.