Selecting System

WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Following the trouble code display, first available system will be displayed. See Figure . When selecting a system to test, any of the following actions may be taken to control the display:

Pressing LO button (fan down) on Climate Control Center (CCC) will display next available system selection. Available systems will display in following order: PCM?, IPC?, ACP?, SIR?, TCS?, RTD?.
Pressing HI button (fan up) on CCC will select and lock in system being displayed. When IPC? displays, press HI button. Next, proceed to SELECTING TEST TYPE below.
Pressing AUTO button on CCC will exit self-diagnostics, and return display to normal CCC operation.
Pressing OFF button on CCC will stop system selection process and return display to beginning of trouble code display sequence.