1997 SUBARU LEGACY Service Repair Manual

Page 2529 of 3342

SUBARU LEGACY 1997  Service Repair Manual F: TROUBLE CODE 41
—FAULTY ABS/TCS CONTROL
MODULE—
DIAGNOSIS:
Faulty ABS/TCS control module
Faulty harness/connector
TROUBLE SYMPTOM:
ABS does not operate.
TCS does not operate.
1. Check groun

Page 2530 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0405A
1. CHECK GROUND CIRCUIT OF ABS/TCS CONTROL
MODULE.
1) Turn ignition switch OFF.
2) Disconnect connector from ABS/TCS control module.
3) Measure resistance between ABS/TCS control module
conne

Page 2531 of 3342

SUBARU LEGACY 1997  Service Repair Manual G: TROUBLE CODE 42
—SOURCE VOLTAGE IS HIGH.—
DIAGNOSIS:
Power source voltage of the ABS/TCS control module is
more than 18 V.
Faulty ABS/TCS control module
Faulty harness/connector
TROUBLE SYMP

Page 2532 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0430
1. CHECK GENERATOR.
1) Idling after warm-up.
2) Measure voltage between generator B terminal and
body.
Connector / Specified voltage:
(F25)—body / 10—15 V
2. CHECK BATTERY TERMINAL.
Check

Page 2533 of 3342

SUBARU LEGACY 1997  Service Repair Manual H: TROUBLE CODE 43
—FAULTY ENGINE CONTROL MODULE
COMMUNICATION CABLES—
DIAGNOSIS:
AET communication cable is broken or short circuited.
AEB communication cable is broken or short circuited.
AEC

Page 2534 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0433
B4M0727A
1. CHECK COMMUNICATION CABLES.
1) Operate the TCS sequence control.
<Ref. to 4-4 [W20F0].>
2) Measure the voltage between ABS/TCS control module
and the body during the TCS check sequ

Page 2535 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0435A
2. CHECK HARNESS BETWEEN ABS/TCS CONTROL
MODULE AND ENGINE CONTROL MODULE.
1) Turn ignition switch OFF.
2) Disconnect engine control module.
3) Disconnect ABS/TCS control module.
4) Measure v

Page 2536 of 3342

SUBARU LEGACY 1997  Service Repair Manual tion cable)
(P6) No. 14—body/2Vorless (AEC communi-
cation cable)
B4M0740A
4. CHECK OUTPUT VOLTAGE OF ENGINE CONTROL
MODULE.
1) Turn ignition switch OFF.
2) Connect engine control module.
3) Connect