GM Service Manual Online
For 1990-2009 cars only
Table 1: Chime ModuleScan Tool Data Parameters
Table 2: Chime ModuleScan Tool Output Controls

Chime ModuleScan Tool Data Parameters

Parameter

System State

Expected Value

Description

Operating Conditions: Ignition ON

Chime

__

Off

The scan tool displays On or Off. This is the state of the chime warning as commanded by the chime module.

Chime Duration

__

Varies

The scan tool displays a numeric value. This counts the duartion of the chime module.

Chime Frequency

__

High

The scan tools displays High or Low. This is the state of the chime module frequency.

Chime Type

__

Off

The scan tool displays Fast/Medium/Medium Slow/Slow/Off. This is the radio chime type as requested by the IPC.

Ign. Since Current DTC

__

Varies

The scan tool displays 0 - 50. The chime module counts the number of times the ignition is cycled from the last DTC.

Indicator Type

__

Chime

The scan tools displays Beep or Chime. This is the state of the chime module as commanded by the IPC.

Chime ModuleScan Tool Output Controls

Output Control

Description

Chime Test

This commands the chime module On or Off.