Operation CHARM: Car repair manuals for everyone.

State Display Sensors

NOTE: Follow scan tool manufacturer's instructions to check operation of circuits.

1. Connect the scan tool to the vehicle and access the "State Display" screen.
2. Access "Sensor Display".

3. The following is a list of accessible Inputs and Outputs:

BATTERY & CHARGING SYSTEM
Battery Voltage
Battery Temperature
Charging System Goal

ENGINE COOLANT TEMPERATURE
Coolant Temperature
Coolant Temperature Sensor

ENGINE SPEED & THROTTLE POSITION
Engine Speed
Minimum Throttle
Throttle Position
Throttle Opening (Percentage)

IDLE SPEED & SPARK ADVANCE CONTROL
Total Spark Advance
Module Spark Advance
Minimum Airflow Idle Speed
Idle Air Control Motor Position

KEY-ON INFO FAULTS
Fault #1 Key-On Info
Fault #2 Key-On Info
Fault #3 Key-On Info

MAP SENSOR
MAP Gauge Reading
MAP Sensor Reading
MAP Sensor Voltage
Barometric Pressure

O2 SENSOR & ADAPTIVE FUEL
Oxygen Sensor State
Oxygen Sensor Signal
Added Adaptive Fuel
Adaptive Fuel Factor

THEFT ALARM STATUS
Theft Alarm Status

VEHICLE SPEED & SPEED CONTROL
Vehicle Speed
Speed Control Target
Speed Control Status
Speed Control Switch Voltage