Purpose
The lights-on reminder warning alarm notifies the driver that the TNS and headlights are not turned off.
Function
The instrument cluster receives the following vehicle condition signals via the CAN signal from the start stop unit and rear body control module (RBCM).
TNS switch ON signal from start stop unit (TNS and headlights illuminate)
Driver's front door latch switch ON signal from rear body control module (RBCM)
If the ignition is switched to OFF or ACC when all the above vehicle condition signals are received, the instrument cluster operates the lights-on reminder alarm.
The lights-on reminder warning alarm sound pattern is as shown in the figure.

Construction
The lights-on reminder warning alarm sounds using the buzzer built into the instrument cluster.
Operation
1. The instrument cluster receives (1) the TNS switch ON signal from the start stop unit and driver's front door latch switch ON signal from the rear body control module (RBCM).
2. When the ignition is switched to OFF or ACC while each signal is received, the instrument cluster turns on (2) the transistor.
3. When the transistor turns on, the ground circuit of the alarm is established and the alarm sounds (3).

Fail-safe
Function not equipped.
Lights On Indicator Light
Low Engine Coolant Temperature Indicator Light (Blue)/High Engine Coolant Temperature
Warning Light (Red)Rear Combination Light
Purpose
The rear combination lights are used to signal the following conditions to
vehicles/people at the rear.
Rear turn lights: Signals a left or right turn of the vehicle.
Brake lights: Signals a vehicle stop.
Taillights: Signals the presence of the ve ...
Camshaft Position (CMP) Sensor
Purpose/Function
Detects the camshaft speed as basic information for mainly determining the
fuel injection timing and ignition timing.
Detects the camshaft speed and inputs it to the PCM as a CMP signal.
Construction
Intake CMP sensor
Installed on the cylinder head.
...
Electrical System
Electrical Parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring harness from the clip in the engine room, pry up the
hook of the clip using a flathead screwdriver. ...