1997 SUBARU LEGACY Service Repair Manual

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Page 3105 of 3342

SUBARU LEGACY 1997 Service Repair Manual 1. Electrical Components Location
1. LHD MODEL
B5M0402A
Connector No. (AB1) (AB2) (AB3) (AB6) (AB7) (AB8) (AB9) (AB10)
Pole 7 3 3 12 3 3 3 3
Color Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yell

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SUBARU LEGACY 1997 Service Repair Manual 2. RHD MODEL
B5M0435A
Connector No. (AB1) (AB2) (AB3) (AB6) (AB7) (AB8) (AB9) (AB10)
Pole 7 3 3 12 3 3 3 3
Color Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow
Male/Female Male Female Female

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SUBARU LEGACY 1997 Service Repair Manual 2. Schematic
B5M0464A
4
5-5bSUPPLEMENTAL RESTRAINT SYSTEM (ELECTRIC SENSOR TYPE)
2. Schematic

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SUBARU LEGACY 1997 Service Repair Manual 3. Tools for Diagnostics
CAUTION:
Be sure to use specified test harness A, B or C when
measuring voltage, resistance, etc. of AIRBAG system
component parts.
A: TEST HARNESS A
B5M0112A
5
5-5bSUPPLEMENT

Page 3109 of 3342

SUBARU LEGACY 1997 Service Repair Manual B: TEST HARNESS B2
G5M0593
6
5-5bSUPPLEMENTAL RESTRAINT SYSTEM (ELECTRIC SENSOR TYPE)
3. Tools for Diagnostics

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SUBARU LEGACY 1997 Service Repair Manual C: TEST HARNESS C
B5M0113A
7
5-5bSUPPLEMENTAL RESTRAINT SYSTEM (ELECTRIC SENSOR TYPE)
3. Tools for Diagnostics

Page 3111 of 3342

SUBARU LEGACY 1997 Service Repair Manual D: AIRBAG RESISTOR
The airbag resistor is used during diagnostics. The airbag
resistor has the same resistance as the airbag module and
thus provides safety when used instead of the airbag mod-
ule. I

Page 3112 of 3342

SUBARU LEGACY 1997 Service Repair Manual 4. Diagnostics Chart for On-board
Diagnostic System
A: BASIC DIAGNOSTICS PROCEDURE
1) Airbag warning light comes “ON”.
2) Turn ignition switch to “ON”, (engine “OFF”) and observe airbag wa

4. Diagnostics Chart for On-board
Diagnostic System
A: BASIC DIAGNOSTICS PROCEDURE
1) Airbag warning light comes “ON”.
2) Turn ignition switch to “ON”, (engine “OFF”) and observe airbag warning light.
3) If airbag warning light stays “ON” after about 7 seconds or remains “OFF”, or comes back “ON” after 30 seconds, this indicates a
current problem. Proceed to step 8).
If airbag warning light comes “ON” for about 7 seconds, then goes out and stays out, this indicates normal system operation at this
time. Check the memory for intermittent problems by performing the procedure outlined in 5-5b [T4B0] “ON-BOARD DIAGNOSTICS”.
Proceed to step 4).
4) If trouble code indicated, proceed to step 5).
If normal code indicated, proceed to step 6).
5) Repair and replacement, proceed to step 7).
6) Repair and replacement, proceed to step 7).
7) Turn ignition switch “ON”, (engine “OFF”) and observe airbag warning light. If airbag warning light stays “ON” after about 7 seconds
or comes back “ON” after 30 seconds, proceed to step 8).
If airbag warning light comes “ON” for about 7 seconds, then goes out and stays out, proceed to step 9).
8) Repair and replacement. Proceed to step 10).
9) Clear memory. Proceed to step 10).
10) END
B5M0115B
B: ON-BOARD DIAGNOSTIC
When the airbag system is in functioning condition, the
airbag warning light will remain on for about 7 seconds and
go out when the ignition switch is set to ON.
If there is any malfunction, the airbag warning light will
either stay on or off continuously. In such cases, perform
on-board diagnostic in accordance with the specified pro-
cedure to determine trouble codes.
1) Turn ignition switch ON (with engine OFF).
2) Connect DIAG. terminal
1to No. 1 terminal of diagno-
sis connector
2located below lower cover.
3) Check in accordance with the trouble code indicated by
the AIRBAG warning light, and record the trouble codes.
4) Turn the ignition switch “OFF” and remove the DIAG.
terminal from No.1 terminal of diagnosis connector.
9
5-5bSUPPLEMENTAL RESTRAINT SYSTEM (ELECTRIC SENSOR TYPE)
4. Diagnostics Chart for On-board Diagnostic System

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