BR–106 BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS) INSPECTION PROCEDURE 1 Check operation of stop light. C Check the stop light lights up when brake pedal is depressed and turns off when brake pedal is released. OK NG Repair stop light circuit. 2 Check voltage between terminal STP of ABS (& TRAC) ECU and body ground. w/o TRAC STP P Remove ABS & TRAC ECU with connectors still connected. C Measure voltage between terminals STP of ABS (& TRAC) ECU and body ground when brake pedal is depressed. OK Voltage: 8 — 14 V w/ TRAC STP R07015 R05931 NG OK Proceed to next circuit inspection shown on problem symptoms chart (See page BR–64). 3 Check for open in harness and connector between ABS (& TRAC) ECU and stop light switch (See page IN–30). OK NG Repair or replace harness or connector. Check and replace ABS (& TRAC) ECU.