Chart E "Traction Active" Indicator Lamp Does Not Operate

Chart E "Traction Active" Indicator Lamp Does Not Operate Properly:

CIRCUIT OPERATION
When the EBTCM is operating in the traction control mode, the EBTCM's grounds terminal 7 which in turn supplies a ground path through CKT 1656 to the remote telltale bank terminal A4 thus illuminating the "Traction Active" telltale lamp.