|
|
BR -124 BRAKE SYSTEM SIGNAL CIRCUIT INSPECTION EEBC21E6 1. Ignition "ON" & Engine "OFF" & ESP Switch"ON". 2. Measure voltage between terminal "31" of the HECU harness connector and chassis ground. Specification : Approx B+ V 31. ESP Switch 1 5 6 8 9 10 11 12 13 14 15 16 18 20 21 26 27 28 29 30 31 32 33 35 37 38 2 3 4 * * * * * * * * * * * * * * * * * <C281> SCMBR6557L 3. Is the measured voltage within specifications? YES ▶ Fault is intermittent caused by open or short in ESP switch line, inoperative ESP switch or was repaired and HECU memory was not cleared. Go to the applicable troubleshooting procedure. NO ▶ Check for damaged harness and poor connection in the power harness between the battery terminal(+) and the terminal "31" of the HECU harness connector . Check for open or blown 10 A fuse referring to "Circuit Diagram" . ▶ If OK, Go to "Component Inspection" Procedure. |