Subaru Legacy 2002 Service Manual page 2381

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
ABS (Diagnostics)
AH: FREEZE FRAME DATA
NOTE:
¼ Data stored at the time of trouble occurrence is
shown on display.
¼ Each time trouble occurs, the latest information
is stored in the freeze frame data in memory.
¼ If freeze frame data is not properly stored in
memory (due to a drop in ABSCM power supply,
etc.), a DTC, preceded by a question mark "?",
appears on the select monitor display. This shows
it may be an unreliable reading.
Display screen Contents to be monitored
Wheel speed detected by the Front
FR wheel speed Right ABS sensor is displayed in km/h
or mile/h.
Wheel speed detected by the Front
FL wheel speed Left ABS sensor is displayed in km/h
or mile/h.
Wheel speed detected by the Rear
RR wheel speed Right ABS sensor is displayed in km/h
or mile/h.
Wheel speed detected by the Rear Left
RL wheel speed ABS sensor is displayed in km/h or
mile/h.
Power (in volts) supplied to
ABSCM power
ABSCM&H/U appears on the select
voltage
monitor display.
Refers to vehicle acceleration detected
G sensor output
by the analog G sensor. It appears on
voltage
the select monitor display in volts.
Motor relay moni-
Motor relay operation monitor signal
tor
Stop light switch Stop light switch signal
ABS signal to ABS operation signal from ABS control
TCM module to TCM
ABS operation signal from ABS control
ABS-AT control
module to TCM
ABS operation
ABS operation signal
signal
S006522E39
ABS-80