specifications SUBARU LEGACY 1997 Service Repair Manual
[x] Cancel search | Manufacturer: SUBARU, Model Year: 1997, Model line: LEGACY, Model: SUBARU LEGACY 1997Pages: 3342, PDF Size: 62.95 MB
Page 3018 of 3342
![SUBARU LEGACY 1997 Service Repair Manual H4M1117
10Y1CHECK SPECIFICATIONS OF
ABSCM&H/U USING SELECT MONITOR.
1) Press [F], [0] and [0] on the select monitor.
2) Read the select monitor display.
: Is an ABSCM&H/U for AT model installed on
a M](/img/17/57434/w960_57434-3017.png "SUBARU LEGACY 1997 Service Repair Manual H4M1117
10Y1CHECK SPECIFICATIONS OF
ABSCM&H/U USING SELECT MONITOR.
1) Press [F], [0] and [0] on the select monitor.
2) Read the select monitor display.
: Is an ABSCM&H/U for AT model installed on
a M")
H4M1117
10Y1CHECK SPECIFICATIONS OF
ABSCM&H/U USING SELECT MONITOR.
1) Press [F], [0] and [0] on the select monitor.
2) Read the select monitor display.
: Is an ABSCM&H/U for AT model installed on
a MT model?
: Replace ABSCM&H/U.
: Go to step10Y2.
B4M1249A
10Y2
CHECK GROUND SHORT OF HARNESS.
1) Turn ignition switch to OFF.
2) Disconnect two connectors from TCM.
3) Disconnect connector from ABSCM&H/U.
4) Measure resistance between ABSCM&H/U connector
and chassis ground.
Connector & terminal
(F49) No. 3—Chassis ground:
: Is the resistance more than 1 MΩ?
: Go to step10Y3.
: Repair harness between TCM and ABSCM&H/U.
B4M1251A
10Y3
CHECK TCM.
1) Connect all connectors to TCM.
2) Turn ignition switch to ON.
3) Measure voltage between TCM connector terminal and
chassis ground.
Connector & terminal
(B55) No. 5 (+)—Chassis ground ( ):
: Is the voltage between 10 V and 15 V?
: Go to step10Y5.
: Go to step10Y4.
142
4-4dBRAKES [ABS 5.3i TYPE]
10. Diagnostics Chart with Select Monitor
Page 3041 of 3342
![SUBARU LEGACY 1997 Service Repair Manual H4M1117
10AG1CHECK SPECIFICATIONS OF
ABSCM&H/U USING SELECT MONITOR.
1) Press [F], [0] and [0] on the select monitor.
2) Read the select monitor display.
: Is an ABSCM&H/U for 4WD model installed
on a](/img/17/57434/w960_57434-3040.png "SUBARU LEGACY 1997 Service Repair Manual H4M1117
10AG1CHECK SPECIFICATIONS OF
ABSCM&H/U USING SELECT MONITOR.
1) Press [F], [0] and [0] on the select monitor.
2) Read the select monitor display.
: Is an ABSCM&H/U for 4WD model installed
on a")
H4M1117
10AG1CHECK SPECIFICATIONS OF
ABSCM&H/U USING SELECT MONITOR.
1) Press [F], [0] and [0] on the select monitor.
2) Read the select monitor display.
: Is an ABSCM&H/U for 4WD model installed
on a FWD model?
: Replace ABSCM&H/U.
: Go to step10AG2.
B4M0927
10AG2CHECK OUTPUT OF G SENSOR USING
SELECT MONITOR.
1) Press [F], [1] and [0] on the select monitor.
2) Read the select monitor display.
: Is the indicated reading between 2.1 and 2.5
V when the G sensor is in horizontal posi-
tion?
: Go to step10AG3.
: Go to step10AG6.
10AG3CHECK POOR CONTACT IN CONNEC-
TORS.
: Is there poor contact in connector between
ABSCM&H/U and G sensor?
: Repair connector.
: Go to step10AG4.
10AG4
CHECK ABSCM&H/U.
1) Connect all connectors.
2) Erase the memory.
3) Perform inspection mode.
4) Read out the trouble code.
: Is the same trouble code as in the current
diagnosis still being output?
: Replace ABSCM&H/U.
: Go to step10AG5.
10AG5CHECK ANY OTHER TROUBLE CODES
APPEARANCE.
: Are other trouble codes being output?
: Proceed with the diagnosis corresponding to the
trouble code.
: A temporary poor contact.
165
4-4dBRAKES [ABS 5.3i TYPE]
10. Diagnostics Chart with Select Monitor
Page 3060 of 3342
11. General Diagnostics Table
A: SYMPTOMS AND PROBABLE CAUSES
Symptom Probable faulty units/parts
Vehicle instability during brakingVehicle pulls to either side.ABSCM&H/U (solenoid valve)
ABS sensor
Brake (caliper & piston, pads)
Wheel alignment
Tire specifications, tire wear and air pressures
Incorrect wiring or piping connections
Road surface (uneven, camber)
Vehicle spins.ABSCM&H/U (solenoid valve)
ABS sensor
Brake (pads)
Tire specifications, tire wear and air pressures
Incorrect wiring or piping connections
Poor brakingLong braking/stopping distanceABSCM&H/U (solenoid valve)
Brake (pads)
Air in brake line
Tire specifications, tire wear and air pressures
Incorrect wiring or piping connections
Wheel locks.ABSCM&H/U (solenoid valve, motor)
ABS sensor
Incorrect wiring or piping connections
Brake draggingABSCM&H/U (solenoid valve)
ABS sensor
Master cylinder
Brake (caliper & piston)
Parking brake
Axle & wheels
Brake pedal play
Long brake pedal strokeAir in brake line
Brake pedal play
Vehicle pitchingSuspension play or fatigue (reduced damping)
Incorrect wiring or piping connections
Road surface (uneven)
Unstable or uneven brakingABSCM&H/U (solenoid valve)
ABS sensor
Brake (caliper & piston, pads)
Tire specifications, tire wear and air pressures
Incorrect wiring or piping connections
Road surface (uneven)
Vibration and/or noise (while
driving on slippery roads)Excessive pedal vibrationIncorrect wiring or piping connections
Road surface (uneven)
Noise from ABSCM&H/UABSCM&H/U (mount bushing)
ABS sensor
Brake piping
Noise from front of vehicleABSCM & H/U (mount bushing)
ABS sensor
Master cylinder
Brake (caliper & piston, pads, rotor)
Brake piping
Brake booster & check valve
Suspension play or fatigue
Noise from rear of vehicleABS sensor
Brake (caliper & piston, pads, rotor)
Parking brake
Brake piping
Suspension play or fatigue
184
4-4dBRAKES [ABS 5.3i TYPE]
11. General Diagnostics Table
Page 3147 of 3342
1. Supplemental Restraint System
“Airbag”
Airbag system wiring harness is routed near the cruise
control command switch.
CAUTION:
All Airbag system wiring harness and connectors
are colored yellow. Do not use electrical test equip-
ment on these circuits.
Be careful not to damage Airbag system wiring har-
ness when servicing the cruise control command
switch.
B6M0171A
B6M0241A
2. Pre-inspection
1. CRUISE CONTROL CABLE
1) Cable installation
(1) Ensure that cruise control cable is attached to the left
of accelerator cable (on accelerator pedal side).
(2) Ensure that accelerator cable throttle cam does not
move when cruise control throttle cam is moved by hand.
(3) Ensure that throttle cam moves smoothly.
2) Cable free play
(1) Ensure that throttle cam-to-lever clearance is within
specifications.
Standard value: 1
0
1mm (0.040
0.04in)
NOTE:
If clearance is not within specifications, adjust cable at its
outer end.
(2) Ensure that cap is positioned in groove.
2
6-2BODY ELECTRICAL SYSTEM
1. Supplemental Restraint System“Airbag”- 2. Pre-inspection
Page 3148 of 3342
1. Supplemental Restraint System
“Airbag”
Airbag system wiring harness is routed near the cruise
control command switch.
CAUTION:
All Airbag system wiring harness and connectors
are colored yellow. Do not use electrical test equip-
ment on these circuits.
Be careful not to damage Airbag system wiring har-
ness when servicing the cruise control command
switch.
B6M0171A
B6M0241A
2. Pre-inspection
1. CRUISE CONTROL CABLE
1) Cable installation
(1) Ensure that cruise control cable is attached to the left
of accelerator cable (on accelerator pedal side).
(2) Ensure that accelerator cable throttle cam does not
move when cruise control throttle cam is moved by hand.
(3) Ensure that throttle cam moves smoothly.
2) Cable free play
(1) Ensure that throttle cam-to-lever clearance is within
specifications.
Standard value: 1
0
1mm (0.040
0.04in)
NOTE:
If clearance is not within specifications, adjust cable at its
outer end.
(2) Ensure that cap is positioned in groove.
2
6-2BODY ELECTRICAL SYSTEM
1. Supplemental Restraint System“Airbag”- 2. Pre-inspection
Page 3329 of 3342
How to use this manual
This Service Manual is divided into four volumes by section so that it can be used with ease at work. Refer to
the Table of Contents, select and use the necessary section.
GENERAL INFORMATION SECTION
REPAIR SECTION
DIAGNOSTICS SECTION
WIRING DIAGRAM SECTION
Each chapter in the manual is basically made of the following four types of areas.
S SPECIFICATIONS AND SERVICE DATA
C COMPONENT PARTS
W SERVICE PROCEDURE
(X SERVICE PROCEDURE)
(Y SERVICE PROCEDURE)
K DIAGNOSTICS
The description of each area is provided with four types of titles different in size as shown below. The Title No.
or Symbol prefixes each title in order that the construction of the article and the flow of explanation can be eas-
ily understood.
[Example of each title]
Area title: W SERVICE PROCEDURE (one of the four types of areas)
Large title (Heading): 1. Oil Pump (to denote the main item of explanation)
Medium title (Section): A: REMOVAL (to denote the type of work in principle)
Small title (Sub-section): 1. INNER ROTATOR (to denote a derivative item of explanation)
3