Page text (OCR transcript)
BR–146
BRAKE SYSTEM – TRACTION CONTROL SYSTEM (TRAC)
2 Check voltage between terminal BRFA of TRAC ECU and body ground.
ON
BRFA
P 1. Remove TRAC ECU with connectors still connected.
2. Turn ignition switch ON.
C Measure voltage between terminal BRFA of TRAC ECU and body ground.
OK Voltage: About 6 V (Pulse)
(Reference)
6 – 14 V
1 V or less
24 ms 24 ms
BE6853
RD6989
NG
OK Check and replace TRAC ECU.
3 Check voltage between terminal BRFA of TRAC ECU and body ground with TRAC ECU connector disconnected.
ON
BRFA
P Disconnect TRAC ECU connector.
C Measure voltage between terminal BRFA of TRAC ECU connector and body ground.
HINT: Measure voltage within 8 seconds from the time TRAC ECU connector is disconnected.
OK Voltage: See step 1.
BE6653
RD7627
NG
OK Check and replace TRAC ECU.
4 Check for open and short in harness and connector between ABS & TRAC ECU and TRAC ECU (See page IN–30).
OK
NG Repair or replace harness or connector.
Check and replace ABS & TRAC ECU.
