| Table 1: | Body Control Module (BCM) |
| Table 2: | Engine Control Module (ECM) |
The scan tool data lists contain all of the cruise control related parameters that are available on the scan tool. The parameters in the list are arranged in alphabetical order. The data list column indicates the location of the parameter within the scan tool menu selections.
Use the scan tool data lists as directed by a diagnostic table or in order to supplement the diagnostic procedures. Begin all of the diagnostic procedures with Diagnostic System Check - Vehicle .
Use the scan tool data lists only after the following is determined:
| • | There is no published DTC procedure nor published symptom procedure for the customer concern. |
| • | The DTC or symptom procedure indicated by the diagnostic system check does not resolve the customer concern. |
The typical data values are obtained from a properly operating vehicle under the conditions specified in the first row of the scan tool data list table. Comparison of the parameter values from the suspect vehicle with the typical data values may reveal the source of the customer concern.
Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
Operating Conditions: The ignition is ON / The engine is ON / The transmission is in Park or Neutral / The cruise control On/Off switch is OFF | |||
Battery Voltage Signal | BCM Data | Volts | Varies |
Cruise Control Switch | BCM Data | Off / On / Error / Resume / Set | Off |
Cruise Control Switch | BCM Data | Volts | 0 Volts |
Cruise Cancel Switch | BCM Data | Active / Inactive | Inactive |
Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
Operating Conditions: The ignition is ON / The engine is ON / The transmission is in Park or Neutral / The cruise control On/Off switch is OFF | |||
BPP Circuit Signal | ECM Data | Applied / Released | Released |
BPP Signal | ECM Data | Invalid / Released / Applied | Released |
CPP Switch | ECM Data | Applied / Released | Released |
Cruise Cancel Switch | ECM Data | Active / Inactive / Invalid | Inactive |
Cruise Control Active (3.5L / 3.9L) | ECM Data | Yes / No | No |
Cruise Control Active (2.4L / 3.6L) | ECM Data | Active / Inactive / Invalid | Inactive |
Cruise Disengage 1-8 History | ECM Data | The last reason for cruise control disengagement | Varies |
Cruise On/Off Switch | ECM Data | On / Off | Off |
Cruise Resume/Accel. Switch | ECM Data | Active / Inactive / Invalid | Inactive |
Cruise Set/Coast Switch | ECM Data | Active / Inactive / Invalid | Inactive |
Engine Speed | ECM Data | RPM | Varies |
Ignition 1 Signal | ECM Data | Volts | Varies |
Vehicle Speed Sensor | ECM Data | km/h (mph) | 0 km/h (0 mph) |
