The climate control buttons on the center stack and on the climate control
display are used to adjust the heating, cooling, and ventilation.
Center Stack Climate Controls
Driver and Passenger
Temp
The climate control status display
appears briefly when the center
stack climate controls are adjusted.
The air delivery mode can be
adjusted on the climate control
display.
Climate Control Influenc
NOTE: The following steps must be completed before using the symptom
tables.
1. Perform the Diagnostic System Check - Vehicle before using the symptom
tables in order to
verify that all of the following are true:
There are no DTCs set.
The control modules can communicate via the serial data lin
Engine Coolant Indicators
The instrument panel cluster (IPC) shows the engine temperature on the
temperature gauge. The
value is sent on the data communication line from engine control module (ECM).
When the coolant
temperature is more than 128ºC (262ºF) IPC receives a discrete input f