BAT/Brakes, ABS & TRAC Systems — Inspection Procedure., page 96

BR–96
BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS)

INSPECTION PROCEDURE.

1 Check for open and short in harness and connector between sensor and ECU (See page IN–30).

OK
NG Repair or replace harness or connector.

2 Check voltage between terminals GS1, GS2, GST of ECU and body ground.

w/o TRAC
ON

GS2
GS1 GST

BE6653
RO7414

w/ TRAC
ON

GS1 GST
GS2

BE6653
RO7415

P 1. Remove ABS (& TRAC) ECU with connectors still connected.
1. Disconnect sensor connector.
3. Turn ignition switch ON.

C Measure voltage between terminals GS1, GS2, GST of ECU and body ground.

OK Voltage:
GS1, GS2: 10 — 14 V
GST: As shown below

IG SW ON
       OFF
12 V          1.5 sec.     0.5 sec.
GST 0 V

OK
NG Check and replace ABS (& TRAC) ECU.

Check and replace lateral acceleration sensor.