1. Disconnect the negative battery cable..
2. Remove the column cover..
3. Remove the light switch..
4. Verify that the continuity between the front fog light switch terminals is as indicated in the table.
If not as indicated in the table, replace the light switch.

Combination Switch Removal/Installation
Hazard Warning Switch InspectionAir Fuel Ratio (A/F) Sensor Inspection [Mzr 2.0, Mzr 2.5]
A/F Sensor Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S11 (A/F sensor output current)
...
ABS HU/CM Inspection
1. Disconnect the ABS HU/CM connector..
2. Connect the negative battery cable..
3. Attach the tester lead to the ABS HU/CM wiring harness-side connector and
inspect the voltage, continuity, or resistance according to the standard (reference
value) in the table below.
Standard (reference)
...
Lane Departure Warning System (LDWS)
The LDWS notifies the driver that the vehicle may be deviating from its
lane.
The system detects the white or yellow lines on the traffic lane using the
Forward Sensing
Camera (FSC). If it determines that the vehicle may be deviating from its lane,
it notifies
the driver by flashing the L ...