Subaru 2002 IMPREZA Service Manual page 2188

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
ABS (DIAGNOSTICS)
AB:SELECT MONITOR
Applicable cartridge of select monitor: <Ref. to
ABS-10, SPECIAL
TOOL, General Description.>
NOTE:
For basic handling of the select monitor, refer to its
Operation Manual.
AC:DIAGNOSTIC TROUBLE CODES
(DTCs) ARE DISPLAYED.
A maximum of 3 DTCs are displayed in order of oc-
currence.
• If a particular DTC is not properly stored in mem-
ory (due to a drop in ABSCM&H/U power supply,
etc.) when a problem occurs, the DTC, followed by
a question mark "?", appears on the select monitor
display. This shows it may be an unreliable read-
ing.
• *a* refers to the troubles in order of occurrence
(Latest, Old, Older and Reference).
Display screen
The most recent DTC appears on select
Latest
monitor display.
The second most recent DTC appears
Old
on select monitor display.
The third most recent DTC appears on
Older
select monitor display.
A specified period of time proceeding
Reference
DTC appears on select monitor display.
AD:CLEAR MEMORY
Display screen
Function of clearing DTC and freeze
Clear memory?
frame data.
TOOLS, PREPARATION
S4M0076A
Contents to be monitored
Contents to be monitored
AE:ANALOG DATA ARE DIS-
PLAYED.
Display screen
FR wheel speed
FL wheel speed
RR wheel speed
RL wheel speed
Stop light switch
G sensor output
voltage
AF:ON/OFF DATA ARE DISPLAYED.
Display screen
Stop light switch
Valve relay signal
Motor relay signal
ABS signal to TCM
ABS warning light
Valve relay monitor
Motor relay monitor
CCM signal
AG:ABS SEQUENCE CONTROL
Display
Contents to be monitored
screen
Perform ABS sequence
ABS
control by operating valve
sequence
and pump motor sequen-
control
tially.
ABS-90
Contents to be monitored
Wheel speed detected by Front Right
ABS sensor is displayed in km/h or mile/
h.
Wheel speed detected by Front Left ABS
sensor is displayed in km/h or mile/h.
Wheel speed detected by Rear Right
ABS sensor is displayed in km/h or mile/
h.
Wheel speed detected by Rear Left ABS
sensor is displayed in km/h or mile/h.
Stop light switch monitor voltage is dis-
played.
Refers to vehicle acceleration detecting
by analog G sensor. It appears on the
select monitor display in volts.
Contents to be monitored
Stop light switch signal
Valve relay signal
Motor relay signal
ABS operation signal from ABS con-
trol module to TCM
ABS warning light
Valve relay operation monitor signal
Motor relay operation monitor signal
ABS operation signal from ABS con-
trol module to TCM
<Ref. to ABS-
11, ABS
Sequence Con-
trol.>
Index No.