Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 2000-2003 Approved Subaru Legacy 2000 2000 Service Manual ELECTRICAL SECTION Body Electrical System (Security System) MSA5TCD00L16077
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DIAGNOSTICS [T6A9] 6-2c
6. Diagnostics Procedure
6. Diagnostics Procedure 6A5 : CHECK SECURITY SYSTEM FUNC-
TION.
A: BASIC DIAGNOSTICS
PROCEDURE 1) Unlock all doors with door locking switch in the
front door.
6A1 : CHECK SECURITY SYSTEM FUNC-
2) Open the front left door.
TION.
: Does the security indicator light blink
1) Perform basic diagnostics procedure of keyless every 1/8 seconds?
entry system. : Go to step 6A6.
2) Perform pre-inspection. : Go to step 6D1.
3) Open all windows.
4) Remove ignition key from ignition switch. 6A6 : CHECK SECURITY SYSTEM FUNC-
5) Set the room light switch in the middle position. TION.
6) Close all doors, rear gate and trunk lid.
7) Press the LOCK/ARM button one time.
Check if the clearance light activates.
: Does the clearance light blink one
time? : Does the clearance light blinking
remain?
: Go to step 6A2.
: Go to step 6A7.
: Go to step 6B1.
: Replace security control module.
6A2 : CHECK SECURITY SYSTEM FUNC-
TION.
6A7 : CHECK SECURITY SYSTEM FUNC-
TION.
Check if the security indicator light blinks.
: Does the security indicator light blink Check if the horn activates.
every 2 seconds?
: Does the horn sound remain?
: Go to step 6A3.
: Go to step 6A8.
: Go to step 6C1.
: Go to step 6M1.
6A3 : CHECK SECURITY SYSTEM FUNC-
TION. 6A8 : CHECK SECURITY SYSTEM FUNC-
TION.
Press the UNLOCK/DISARM button one time.
Turn on starter.
: Does the clearance light blink two
times? : Does the starter motor activate?
: Go to step 6A4. : Go to step 6E1.
: Replace security control module.
6A9 : CHECK SECURITY SYSTEM FUNC-
6A4 : CHECK SECURITY SYSTEM FUNC- TION.
TION.
Close the front left door.
Check if the room light activates. : Does the horn sound and clearance
: Does the room light turn on for 30 light blinking deactivate, and starter
seconds, and then turn off? motor activate after approximately 30
seconds?
: Go to step 6A5.
: Go to step 6A10.
: Replace security control module. : Replace security control module.
9
6-2c [T6A10] DIAGNOSTICS
6. Diagnostics Procedure
6A10 : CHECK SECURITY SYSTEM FUNC- 6A14 : CHECK SECURITY SYSTEM FUNC-
TION. TION.
Check if the security indicator light activates. 1) Close the rear left door.
: Does the security indicator light blink 2) Open the rear right door.
every 2 seconds? : Does the security indicator light blink
: Go to step 6A11. every 1/8 seconds, the horn sound,
the clearance light blink, and the
: Replace security control module.
: Go to step 6A15.
6A11 : CHECK SECURITY SYSTEM FUNC- : Go to step 6H1.
TION.
6A15 : CHECK SECURITY SYSTEM FUNC-
Open the front right door. TION.
: Does the security indicator light blink
every 1/8 seconds, the horn sound, Close the rear right door.
the clearance light blink, and the : Is the vehicle type wagon?
starter motor deactivate? : Go to step 6A16.
: Go to step 6A12. : Go to step 6A17.
: Go to step 6F1.
6A16 : CHECK SECURITY SYSTEM FUNC-
6A12 : CHECK SECURITY SYSTEM FUNC- TION.
TION.
Open the rear gate.
Press the UNLOCK/DISARM button. : Does the security indicator light blink
: Does the security indicator light every 1/8 seconds, the horn sound,
blink, the horn and clearance light the clearance light blink, and the
deactivate, and the starter motor acti- starter motor deactivate?
vate? : Go to step 6A18.
: Go to step 6A13. : Go to step 6I1.
: Replace security control module. 6A17 : CHECK SECURITY SYSTEM FUNC-
TION.
6A13 : CHECK SECURITY SYSTEM FUNC-
TION. Open the trunk lid.
: Does the security indicator light blink
1) Close the front right door. every 1/8 seconds, the horn sound,
2) Press the LOCK/ARM button. the clearance light blink, and the
3) Open the rear left door. starter motor deactivate?
: Does the security indicator light blink : Go to step 6A18.
every 1/8 seconds, the horn sound,
: Go to step 6J1.
the clearance light blink, and the
starter motor deactivate?
: Go to step 6A14.
: Go to step 6G1.
10
DIAGNOSTICS [T6A20] 6-2c
6. Diagnostics Procedure
6A18 : PERFORM IMPACT SENSITIVITY 6A20 : CHECK BATTERY DISCONNECT
TEST. PROTECTION.
1) Close the rear gate or trunk lid. 1) Press the UNLOCK/DISARM button.
2) Close all windows. 2) Connect the white connector (1-pin) at front pil-
3) Cover the hood with a blanket. lar lower.
4) Perform arming. 3) Install the driver's side sill cover.
4) Open the front hood.
5) Press the LOCK/ARM button.
6) Disconnect the ground cable from battery.
7) Connect the ground cable to battery.
: Does re-arming function automati-
cally?
: End of basic diagnostics procedure.
Press the UNLOCK/DISARM button,
and then close all doors, rear gate or
trunk lid. Perform ignition switch position
B6M1424A turned LOCK to ON to LOCK.
: Replace security control module.
: Go to step 6A19.
: Go to step 6K1.
6A19 : CHECK PASSIVE ARM.
1) Remove the driver's side sill cover.
2) Connect the white connector (1-pin) at front pil-
lar lower.
3) Close all doors, rear gate or trunk lid.
: Does the arming automatically func-
tion after 1 minute?
: Go to step 6A20.
: Go to step 6L1.
11
6-2c [T6B1] DIAGNOSTICS
6. Diagnostics Procedure
B: DIAGNOSTICS ITEM 1 6B5 : CHECK POWER SUPPLY FOR
CLEARANCE LIGHT.
6B1 : CHECK FUSE.
1) Disconnect connector from security control
Remove and visually check fuse No. 7 (in main module.
fuse box). 2) Measure voltage between security control mod-
: Is fuse No. 7 blown? ule connector (B93) and chassis ground.
: Replace fuse (20 A). Connector & terminal
: Go to step 6B2. (B93) No. 11 (+) -- Chassis ground (-):
6B2 : CHECK FUSE.
Remove and visually check fuse No. 5 (in main
fuse box).
: Is fuse No. 5 blown?
: Replace fuse (10 A).
: Go to step 6B3.
B6M0974A
6B3 : CHECK CLEARANCE LIGHT BULB.
: Is the voltage more than 10 V?
Remove and visually check each clearance light : Go to step 6B6.
bulb. : Repair wiring harness between security
control module and main fuse box.
: Is the bulb blown?
: Replace clearance light bulb.
6B6 : CHECK HARNESS CONNECTOR
: Go to step 6B4. BETWEEN SECURITY CONTROL
MODULE AND FUSE BOX.
6B4 : CHECK POWER SUPPLY FOR
CLEARANCE LIGHT. 1) Disconnect connector (B152) from fuse box.
2) Measure resistance between security control
Measure voltage between main fuse box connec- module connector (B93) and fuse box connector
tor (F68) and chassis ground. (B152).
Connector & terminal Connector & terminal
(F68) No. 4 (+) -- Chassis ground (-): (B93) No. 12 -- (B152) No. 10:
B6M1357A B6M1362A
: Is the voltage more than 10 V? : Is the resistance less than 10 ?
: Go to step 6B5. : Go to step 6B7.
: Repair wiring harness between main : Repair wiring harness between security
fuse box and battery. control module and fuse box.
12
DIAGNOSTICS [T6B9] 6-2c
6. Diagnostics Procedure
6B7 : CHECK FUSE BOX CIRCUIT. 6B9 : CHECK HARNESS CONNECTOR
BETWEEN FRONT CLEARANCE
LIGHT AND FUSE BOX.
1) Connect connector (B152) to fuse box.
2) Measure resistance between fuse box connec-
tor (B152) and (F41). 1) Disconnect connector from front clearance light
RH and fuse box.
Connector & terminal
2) Measure resistance between front clearance
(B152) No. 10 -- (F41) No. 1:
light RH connector (F4) and fuse box connector
(F41).
Connector & terminal
(F4) No. 1 -- (F41) No. 1:
B6M1363A
: Is the resistance less than 10 ?
: Go to step 6B8.
B6M1365A
: Repair or replace fuse box.
: Is the resistance less than 10 ?
6B8 : CHECK FUSE BOX CIRCUIT. : Go to step 6B10.
: Repair wiring harness between front
Measure resistance between fuse box connector clearance light RH and fuse box.
(B152).
Connector & terminal
(B152) No. 10 -- No. 11:
B6M1364A
: Is the resistance less than 10 ?
: Go to step 6B9.
: Repair or replace fuse box.
13
6-2c [T6B10] DIAGNOSTICS
6. Diagnostics Procedure
6B10 : CHECK HARNESS CONNECTOR 6B12 : CHECK HARNESS CONNECTOR
BETWEEN FRONT CLEARANCE BETWEEN FRONT CLEARANCE
LIGHT AND FUSE BOX. LIGHT AND CHASSIS GROUND.
1) Disconnect connector from front clearance light Measure resistance between front clearance light
LH. LH connector (F22) and chassis ground.
2) Measure resistance between front clearance Connector & terminal
light LH connector (F22) and fuse box connector (F22) No. 2 (+) -- Chassis ground (-):
(F41).
Connector & terminal
(F22) No. 1 -- (F41) No. 1:
B6M0981B
: Is the resistance less than 10 ?
B6M1366A
: Go to step 6B13.
: Repair wiring harness between front
: Is the resistance less than 10 ?
clearance light LH and chassis ground.
: Go to step 6B11.
: Repair wiring harness between front 6B13 : CHECK HARNESS CONNECTOR
clearance light LH and fuse box. BETWEEN REAR CLEARANCE
LIGHT AND FUSE BOX.
6B11 : CHECK HARNESS CONNECTOR
BETWEEN FRONT CLEARANCE 1) Disconnect connector from rear clearance light
LIGHT AND CHASSIS GROUND. RH and fuse box.
2) Measure resistance between rear clearance
Measure resistance between front clearance light light RH connector (R26) and fuse box connector
RH connector (F4) and chassis ground. (B152).
Connector & terminal Connector & terminal
(F4) No. 2 (+) -- Chassis ground (-): (R26) No. 3 (sedan), No. 4 (wagon) --
(B152) No. 10:
B6M0980B
B6M1367A
: Is the resistance less than 10 ?
: Is the resistance less than 10 ?
: Go to step 6B12.
: Go to step 6B14.
: Repair wiring harness between front
clearance light RH and chassis ground. : Repair wiring harness between rear
clearance light RH and fuse box.
14
DIAGNOSTICS [T6B16] 6-2c
6. Diagnostics Procedure
6B14 : CHECK HARNESS CONNECTOR 6B16 : CHECK HARNESS CONNECTOR
BETWEEN REAR CLEARANCE BETWEEN REAR CLEARANCE
LIGHT AND FUSE BOX. LIGHT AND CHASSIS GROUND.
1) Disconnect connector from rear clearance light Measure resistance between rear clearance light
LH. LH connector (R28) and chassis ground.
2) Measure resistance between rear clearance Connector & terminal
light LH connector (R28) and fuse box connector (R28) No. 2 (+) -- Chassis ground (-):
(B152).
Connector & terminal
(R28) No. 3 (sedan), No. 4 (wagon) --
(B152) No. 10:
B6M0985A
: Is the resistance less than 10 ?
: Replace security control module.
: Repair wiring harness between rear
: Is the resistance less than 10 ? clearance light LH and chassis ground.
: Go to step 6B15.
: Repair wiring harness between rear
clearance light LH and fuse box.
6B15 : CHECK HARNESS CONNECTOR
BETWEEN REAR CLEARANCE
LIGHT AND CHASSIS GROUND.
Measure resistance between rear clearance light
RH connector (R26) and chassis ground.
Connector & terminal
(R26) No. 2 (+) -- Chassis ground (-):
B6M0984A
: Is the resistance less than 10 ?
: Go to step 6B16.
: Repair wiring harness between rear
clearance light RH and chassis ground.
15
6-2c [T6C1] DIAGNOSTICS
6. Diagnostics Procedure
C: DIAGNOSTICS ITEM 2 6C3 : CHECK HARNESS CONNECTOR
BETWEEN SECURITY INDICATOR
6C1 : CHECK SECURITY INDICATOR LIGHT AND SECURITY CONTROL
LIGHT COMES ON. MODULE.
1) Disconnect connector from security control Measure resistance between combination meter
module. connector (i12) and security control module con-
2) Measure resistance between security control nector (B93).
module connector (B93) and chassis ground. Connector & terminal
Connector & terminal (i12) No. 1 -- (B93) No. 9:
(B93) No. 9 (+) -- Chassis ground (-):
B6M1371A
B6M1369A
: Is the resistance less than 10 ?
: Does the indicator light come on? : Replace security indicator light bulb.
: Replace security control module.
to 6-2 [W14A1].> : Repair wiring harness between security
indicator light and security control mod-
: Go to step 6C2.
ule.
6C2 : CHECK POWER SUPPLY FOR SECU-
RITY INDICATOR LIGHT.
1) Disconnect connector from combination meter.
2) Measure voltage between combination meter
connector (i12) and chassis ground.
Connector & terminal
(i12) No. 7 (+) -- Chassis ground (-):
B6M1370A
: Is the voltage more than 10 V?
: Go to step 6C3.
: Repair wiring harness between security
indicator light and main fuse box.
16
DIAGNOSTICS [T6D3] 6-2c
6. Diagnostics Procedure
D: DIAGNOSTICS ITEM 3 6D2 : CHECK HARNESS CONNECTOR
BETWEEN FRONT DOOR SWITCH
6D1 : CHECK HARNESS CONNECTOR LH AND COMBINATION METER.
BETWEEN SECURITY CONTROL
MODULE AND COMBINATION
METER. 1) Disconnect connector from front door switch
LH.
2) Measure resistance between front door switch
1) Disconnect connector from security control LH connector (R9) and combination meter connec-
module and combination meter. tor (i10).
2) Measure resistance between security control
module connector (B93) and combination meter Connector & terminal
connector (i10). (R9) No. 1 -- (i10) No. 7:
Connector & terminal
(B93) No. 5 -- (i10) No. 23:
B6M1373A
: Is the resistance less than 10 ?
B6M1372A
: Go to step 6D3.
: Is the resistance less than 10 ? : Repair wiring harness between front
door switch LH and combination meter.
: Go to step 6D2.
: Repair wiring harness between security
control module and combination meter. 6D3 : CHECK HARNESS CONNECTOR
BETWEEN FRONT DOOR SWITCH
LH AND CHASSIS GROUND.
Measure resistance between front door switch LH
(R9) and chassis ground.
Connector & terminal
(R9) No. 3 (+) -- Chassis ground (-):
B6M1374A
: Is the resistance less than 10 ?
: Go to step 6D4.
: Repair wiring harness between front
door switch LH and chassis ground.
17
6-2c [T6D4] DIAGNOSTICS
6. Diagnostics Procedure
6D4 : CHECK COMBINATION METER CIR- E: DIAGNOSTICS ITEM 4
CUIT.
6E1 : CHECK INPUT SIGNAL FOR
STARTER MOTOR.
1) Remove combination meter.
2) Measure resistance between combination 1) Disconnect connector from starter motor.
meter terminals. 2) Turn ignition switch to START.
Terminals 3) Measure voltage between starter motor con-
No. 23 -- No. 7: nector (B14) and engine ground.
Connector & terminal
(B14) No. 1 (+) -- Engine ground (-):
B6M1375
: Is the resistance less than 10 ? OBD0100A
: Replace security control module. NOTE:
: Repair or replace combination meter. ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo