Test Description

The numbers below refer to the step numbers on the diagnostic table.

2. Confirm if the scan tool can turn on and off all the indicator lamps in the instrument cluster.
4. Verify if the circuits going to the instrument cluster or the cluster is at fault.

ANTILOCK BRAKE SYSTEM SCHEMATICS TABLE

Step	Action	Yes	No
Schematic Reference: ANTI-LOCK BRAKE SYSTEM SCHEMATICS Connector End View Reference: Refer to ANTILOCK BRAKE SYSTEM CONNECTOR END VIEWS or DISPLAYS AND GAUGES CONNECTOR END VIEWS
1	Did you perform the DIAGNOSTIC SYSTEM CHECK - VEHICLE ?	Go to Step 2	Go to DIAGNOSTIC SYSTEM CHECK - VEHICLE DIAGNOSTIC INFORMATION
2	Using a scan tool, select the Brake Control Module, Special Functions mode, Output Control. Select Solenoid Test. Select ABS Telltale Indicator. In the ABS Telltale Test mode you can turn the instrument panel indicators ON or OFF. All indicators will turn ON when commanded on. Does the ABS indicator turn on then off?	Go to Step 3	Go to Step 4
3	Replace the ABS module. Refer to CONTROL MODULE REFERENCES . Is the replacement complete?	Go to DIAGNOSTIC SYSTEM CHECK - VEHICLE DIAGNOSTIC INFORMATION .	-
4	Disconnect the instrument cluster and connect a test light across the appropriate power and ground terminals. With the test light OFF, repair the open in power or ground circuit to cluster. With the test light ON, check the connector for poor connection to the cluster. If OK, replace the instrument cluster. Refer to CONTROL MODULE REFERENCES . Is the instrument cluster replacement complete?	Go to DIAGNOSTIC SYSTEM CHECK - VEHICLE DIAGNOSTIC INFORMATION	-