GMC chervolet camaro 1999 Service Manual page 741

5-266 Antilock Brake System
ASR Indicator (Chevrolet)
The ASR Indicator (Chevrolet only) is located in the
instrument cluster and will illuminate if a malfunction in
the traction control system is detected by the
Electronic Brake and Traction Control Module
(EBTCM). The ASR Indicator informs the driver that a
condition exists which results in turning off traction.
Conditions for the ASR Indicator to turn on are
as follows:
1 .
Traction control malfunction detected. As
previously described, the ASR Indicator turns on
when a problem has been found in the traction
control system. The ASR Indicator indicates that
traction control has been disabled.
2. Instrument Panel Cluster bulb check. When the
ignition is turned to RUN, the ASR Indicator will
tum on for approximately three seconds and then
turn off.
TCS Off Indicator (Pontiac)
The TCS Off Indicator (Pontiac only) is located in the
instrument cluster and will illuminate if a malfunction
in the traction. control system is detected by the
Electronic Brake and Traction Control Module
(EBTCM). The TCS Off Indicator informs the driver
that a condition exists which results in turning off
traction. Conditions for the TCS Off Indicator to turn
on are as follows:
1. Traction control malfunction detected. As
previously described, the TCS Off Indicator turns
on when a problem has been found in the
traction control system. The TCS Off Indicator
indicates that traction control has been disabled.
2. Instrument Panel Cluster bulb check. When the
ignition is turned to RUN, the TCS Off Indicator
will turn on for approximately three seconds
and then tum off.
Low Trac Indicator
The Low Trac Indicator is located in the instrument
cluster and will illuminate when the EBCM/EBTCM
detects a low traction condition. Conditions for the Low
Trac Indicator to turn on are as follows:
1. Instrument Panel Cluster bulb check. When the
ignition is turned to RUN, the ASR Indicator will
tum on for approximately three seconds and then
turn off.
2. The EBCM/EBTCM detects an antilock braking
condition.
3. The EBTCM detects a traction control condition.
Brakes
Special Tools and Equipment
Illustration
98818
98824
39438
3430
8917
Tool Number/ Description
J 39700
Universal Pinout Box
J
39700- 530
Cable Adapter
Tech 2
Scan Tool
J 39200
Digital Multimeter
J
35616-A
Connector Test Adapter Kit
(