Symptom Chart B (ABS Light on, No Codes Set)

Symptom Chart B:

Symptom Chart B Wiring Schematic:

TEST DESCRIPTION
Test numbers refer to circled numbers on the diagnostic chart.

1. Checks if ANTILOCK' indicator is ON due to a loss of communication between the IPC and EBTCM/EBCM.

2. Checks for a short to ground in CKT 852.

3. Final check for diagnostic trouble codes.

DIAGNOSTIC AIDS
The EBTCM/EBCM controls the "ANTILOCK" indicator only in instances where serial data communication with the IPC is lost. In all other instances the IPC controls this lamp.