Check Multifunction Switch
- Connect scantool to Data Link Connector (DLC).
- Ignition "ON" & engine "OFF".
- Check combination of wiper signal while operating light switch.
- Specification : headlamp low → low beam 'ON' & High beam 'OFF' headlamp high → low beam 'OFF' & High beam 'ON'.
- Is the measured current data within specifications?
YES
- Go to CHECK IPM procedure.
NO
- Substitute with a known-good multifunction switch and check for proper operation. If the problem is corrected, replace multifunction switch and then go to VERIFICATION OF VEHICLE REPAIR procedure.