Subaru 2002 IMPREZA Service Manual page 2189

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
AH:FREEZE FRAME DATA
NOTE:
• Data stored at the time of trouble occurrence is
shown on display.
• Each time trouble occurs, the latest information
is stored in the freeze frame data in memory.
• Freeze frame data will be memorized maximum
to three.
• 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 "?", ap-
pears on the select monitor display. This shows it
may be an unreliable reading.
Display screen
Wheel speed detected by Front Right
FR wheel speed ABS sensor is displayed in km/h or mile/
h.
Wheel speed detected by Front Left ABS
FL wheel speed
sensor is displayed in km/h or mile/h.
Wheel speed detected by Rear Right
RR wheel speed ABS sensor is displayed in km/h or mile/
h.
Wheel speed detected by Rear Left ABS
RL wheel speed
sensor is displayed in km/h or mile/h.
Power (in volts) supplied to ABSCM&
ABSCM power
H/U appears on the select monitor dis-
voltage
play.
Refers to vehicle acceleration detected
G sensor output
by analog G sensor. It appears on the
voltage
select monitor display in volts.
Motor relay
Motor relay operation monitor signal
monitor
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
Contents to be monitored
ABS-91
ABS (DIAGNOSTICS)