Outline
By pressing the push button start, switching of the power supply is performed.
Function
The start stop unit switches the power supply according to the vehicle conditions such as the selector lever (ATX)/shift lever (MTX) position and the pedal depression/release when the push button start is pressed.
Push button start indicator light
Illuminates the push button start indicator light to notify the driver of the power supply status.
System wiring diagram

Structural view

Operation
Switches between ignition switch ON (engine on)/ON (engine off)/ACC/ OFF (LOCK).
1. When the push button start is pressed, a push button start switch signal is input to the start stop unit.
2. The power supply switches according to the vehicle conditions such as the selector lever (ATX)/shift lever (MTX) position and the pedal depression/release.
NOTE:
Refer to the Push Button Start System Engine Start Permit Function regarding the engine starting conditions.

Automatic ignition switch off
If the ignition has been switched ON (engine off) or switched to ACC for 60 min or more, the start stop unit automatically switches the ignition off (LOCK).
Engine Emergency Stop
If an ignition switch ON signal is input for 3 s or more (ignition switch held pressed), or a push button start ON signal is input 3 times within 1.5 s, the start stop unit switches the ignition to ACC or off (LOCK).
Push button start indicator light
Illuminates if the conditions necessary for engine-start are met.
Flashes when the steering lock cannot be released.
Illuminates when the steering lock has been released or there is a malfunction in the system.
Flashes when a malfunction is detected.

Fail-safe
Function not equipped.
IgnitionClimate Control Unit Inspection [Full Auto Air Conditioner]
1. Remove the climate control unit with the connector connected..
2. Switch the ignition ON (engine off or on).
3. Connect the negative (-) lead of the tester to body ground.
4. By inserting the positive (+) lead of the tester into each climate control
unit terminal, measure the voltage acco ...
Air Intake Actuator [Manual Air Conditioner]
Purpose
The air intake actuator moves the air intake door in the blower unit to switch
the air intake port.
Function
The air intake actuator drives the motor based on the signal from the climate
control unit and moves the air intake door to the FRESH or REC position.
...
DSC HU/CM Inspection
1. Disconnect the DSC HU/CM connector..
2. Connect the negative battery cable..
3. Attach the tester lead to the DSC HU/CM wiring harness-side connector and
inspect voltage, continuity, or resistance according to the standard (reference)
on the table.
Standard (Reference)
...