GM Service Manual Online
For 1990-2009 cars only

Electronic Brake Control Module (EBCM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

ABS Indicator Lamp

Lamp/Message(s) Test

Commands the indicator ON and OFF.

Automated Bleed

--

Used in order to bleed the ABS hydraulics. Refer to Antilock Brake System Automated Bleed Procedure .

Automated Test

--

Cycles each solenoid valve and the pump motor in order to verify component operation. This test is identical to the Initialization Sequence. If a malfunction is detected, the EBCM will set the appropriate DTCs. The DTCs will be displayed upon completion of the test.

LF inlet valve solenoid

Solenoid Test

Commands the solenoid ON and OFF.

LF outlet valve solenoid

Solenoid Test

Commands the solenoid ON and OFF.

LR inlet valve solenoid

Solenoid Test

Commands the solenoid ON and OFF.

LR outlet valve solenoid

Solenoid Test

Commands the solenoid ON and OFF.

Normal Force Test

--

Ensures that the wires between the EBCM and electronic suspension control module are not crossed. A message is displayed indicating if the test is passed or if there is a malfunction. The test will not run if any EBCM or electronic suspension control module DTCs are set.

RF inlet valve solenoid

Solenoid Test

Commands the solenoid ON and OFF.

RF outlet valve solenoid

Solenoid Test

Commands the solenoid ON and OFF.

RR inlet valve solenoid

Solenoid Test

Commands the solenoid ON and OFF.

RR outlet valve solenoid

Solenoid Test

Commands the solenoid ON and OFF.

Service Stability System Message

Lamp/Message(s) Test

Commands the message ON and OFF.

Stability Engaged Message

Lamp/Message(s) Test

Commands the message ON and OFF.

Steering Position Sensor Test

--

Tests the steering wheel position sensor (SWPS) ability to provide a valid input.

TCS Indicator Lamp

Lamp/Message(s) Test

Commands the indicator ON and OFF.

TCS Test

--

Runs the pump motor in order to apply fluid pressure to the front wheel circuits.

Traction Engaged Message

Lamp/Message(s) Test

Commands the message ON and OFF.