dashboard HONDA CIVIC 2002 7.G Manual Online

sRs
DTC Troubleshooting (cont'd)
6. Reconnectthe battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
ls DTC 3-3 indicated?
YES-Go to step L
NO-Shon in the driver's seat belt tensioner;
replace the driver's seat belt (see page 23-4).1
L Turn the ignition switch OFF. Disconnectthe
battery negative cable, and wait for 3 minutes.
10. Disconnect floor wire harness 4P connector C403(A)from dashboard wire harness B.
07sAz-TB4or 1A
Connectthe SRS inflator simulator (2 Q
connectors) and simulator lead F to dashboard wire
harness B.
Reconnect the battery negative cable.
Erase the DTC memory.
Read the DTC.
ls DTC 3-3 indicated?
YES-Go to step 15.
NO Short in the floor wire harness; replace the
floor wire harness.l
Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
11.
13.
14.
23-50
tJ
16. Disconnect the driver's airbag connector (see step
2 on page 23-211,lront passenger's airbag
connector (see step 3 on page 23-21), and frontpassenger's seat belt tensioner connector (see step
5 on page 23-22).
17. Disconnect SRS unit connector A (18P) from the
SRS unit (see step 7 on page 23-22:,.
18. Disconnect the special tool from dashboard wire
harness B.
19. Check resistance between the No.8 terminal and
the No. 17 terminal of SRS unit connector A ('l8P).
There should be an open circuit, or at least 1 l\4 Q .
SRS UNIT CONNECTOR A I18P)
Wire side of female terminals
ls the resistance as specif ied?
YES Faulty SRS unit; replace the SRS unit (see
page 23-1221.a
NO- Short in dashboard wire harness B; replace
dashboard wire harness B.l
LJ
RED/WHT
RED/BLU

IJ
L
]
DTC 3-4: Short to Power in Driver's Seat Belt
Tensioner
SpecialTools Bequired. SRS lnflator simulator 07SAZ-TB4011A. SRS simulator lead C 07TM-S25011A. SRS simulator lead F 07XAZ-S230100
1. Erase the DTC memory (see page 23-261.
2. Turn the ignition switch ON (ll), and check that the
SRS indicator comes on for about 6 seconds and
then goes off.
Does the SRS indicatot stay on?
YES - Go to step 3.
NO Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures (see
page 23-261.
Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
Disconnect the driver's seat belt tensioner 2P
connector (A) from the floorwire harness.
07sAz-T84011A
5. Connect the SRS inflator simulator (2 !J connector)
and simulator lead C to the floor wire harness.
I
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
Is DTC 3-4 indicated?
YES - Go to step 9.
NO-Short to power in the driver's seat belt
tensioner; replace the driver's seat belt
(see page 23-4).1
L Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
10. Disconnect floor wire harness 4P connector C403
(A) from dashboard wire harness B.
TB4O11A
Connect the SRS inflator simulator (2 0
connectors) and simlator lead F to dashboard wire
harness B.
Reconnect the battery negative cable.
Erase the DTC memory.
Read the DTC.
ls DTC 3-4 indicated?
YES -- Go to step 15.
NO-Shon to power in the floor wire harness;
replace the floor wire harness.I
Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
11.
't2.
14.
(cont'd)
23-51

sRs
DTC Troubleshooting (cont'dl
16. Disconnecl the driver's airbag connector (see step
2 on page 23-21l,Iront passenger's airbag
connector (see step 3 on page 23-2'l), and front
passenger's seat belt tensioner connector (see step
5 on page 23-221 .
17. Disconnect SRS unit connector A (l8P)from the
SRS unit (see step 7 on page 23-22).
18. Disconnect the specialtool from dashboard wire
harness B.
19. Reconnect the battery negative cable.
20. Turn the ignition switch ON (ll),
21. Check for voltage between the No. 8 terminal of
SRS unit connector A (18P) and body ground, and
the No. 17 terminal and body ground. There should
be 0.5 V or less.
SRS UNIT CONNECTOR A {18PI
ls the voltage as specified?
YES-Faulty SRS unit; replace the SRS unit {seepage 23-122], .a
NO Shortto power in dashboard wire harness B;
replace dashboard wire harness B.l
23-52
LJ
DTC 3-5: Short to Ground in Driver's Seat Belt
Tensioner
Special Tools Required. sRS inflalor simularor 07sAz-TB4011A. SRS simulator lead C 07TAZ-S25011A. SRS simulator lead F 07XAZ-S230100
1. Erase the DTC memory {see page 23-26).
2. Turn the ignition switch ON (ll), and check that the
SRS indicator comes on for about 6 seconds and
then goes off.
Does the SRS indicator stay on?
YES Go to step 3.
NO Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures (see
page 23-26).
3. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
4, Disconnect the driver's seat belt tensioner 2P
connector (A) from the floor wire harness,
-T84011A
07TAZ-S25011A
L
5. Connect the SRS inflator simulator (2 Q conneclor)
and simulator lead C to the floor wire harness.

t
)
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
ls DTC 3-5 indicated?
YES-Go to step 9,
NO Shortto ground in the driver's seat belt
tensioner; replace the driver's seat belt(see page 23-4).I
9. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
10. Disconnect floor wire harness 4P connector C403(A)from dashboard wire harness B.
07sAz-T84011A
Connect the SRS inflator simulator (2 Q
connectors) and simulator lead F to dashboard wire
harness B.
Reconnect the battery negative cable.
Erase the DTC memory.
Read the DTC.
ls DTC 3-5 ind icated?
YES Go to step 15.
NO-Short to ground in the floor wire harness;
replace the floor wire harness.l
Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
'11.
14.
I
23-53
16. Disconnectthe driver's airbag connector (see step
2 on page 23-211,lront passenger's airbag
connector (see step 3 on page 23-21), and front
passenger's seat belt tensioner connector (see step
5 on page 23-22).
17, Disconnect SRS unit connector A ('l8P) from the
SRS unit (see step 7 on page 23-221.
18. Disconnect the specialtoolfrom dashboard wire
harness B.
19. Check resistance between the No. 8 terminal of
SRS unit connector A (18P) and body ground, and
the No. 17 terminal and body ground. There should
be an open circuit, or at least 1 M Q .
SRS UNIT CONNECTOR A (18P)
ls the resistance as specified?
YES-Faulty SRS uniu replace the SRS unit {seepage 23-122l,.a
NO Short to ground in dashboard wire harness B;
replace dashboard wire harness B.l

)
)
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
ls DTC 4-1 or DTC 4-2 indicated?
YES Go to step 9.
NO-Open or increased resistance in the frontpassenger's seat belt tensioner; replace the frontpassenger's seat belt (see page 23-4). t
L Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
10, Disconnect the floor wire harness 4P connector
C403 (A)from dashboard wire harness B.
07sAz-T840't 1A
Connect the SRS inflator simulator (2 i)
connectors) and simulator lead F to dashboard wire
harness B.
Reconnect the battery negative cable.
Erase the DTC memory.
Read the DTC.
ls DTC 4-l or DTC 4-2 indicated?
YES-Go to step '15.
NO-Open or increased resistance in the floor wire
harness; replace the floor wire harness.I
11.
12.
14.
I
15. Turn the ignition switch OFF. Disconnect the
battery negative cable. and wait for 3 minutes.
'16. Disconnect the driver's airbag connector {see step
2 on page 23-211, tront passenger's airbag
connector (see step 3 on page 23-21), and driver's
seat belt tensioner connector (see step 5 on page
23-221.
17. Disconnect SRS unit connector A (18P) from the
SRS unit (see step 7 on page 23-22). Do not
disconnect the special tool from dashboard wire
harness B.
18. Check resistance between the No. 9 terminal and
the No. '18 terminal of SRS unit connector A (18P).
There should be 2.0-3.0 Q.
SRS UNIT CONNECTOR A {18P}
Wire side of lemale terminals
ls the resistance as specitied?
YES Faulty SRS unit or poor contact at SRS unit
connector A (18P) and the SRS unit. Check the
connection; if the connection is OK, replace the
SRS unit (see page 23-122l,.a
NO-Open or increased resistance in dashboard
wire harness B; replace dashboard wire harness
B.T
RED/YEL
{ll6r8l
rl
1234578
1011121517
RED/BLK
23-59

sRs
DTC Troubleshooting (cont'dl
DTC 4-3: Short to Another Wire or Decreased
Resistance in Front Passenger's Seat Belt
Tensioner
Special Tools Required. SRS inflator simulator 07SAZ-TB40l1A. SRS simulator lead C 07TM-S25011A. SRS simulator lead F 07XAZ-S230100
1. Erasethe DTC memory (see page 23-26).
2. Turn the ignition switch ON (ll), and check that the
SRS indicator comes on for about 6 seconds and
then goes off.
Does the SRS indicator stay on?
YES-Go to step 3.
NO Intermittent failure. system is OK at this time.
Go to Troubleshooting lntermittent Failures (see
page 23-26).
3. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
4. Disconnect the front passenger's seat belt
tensioner 2P connector (A) from the floor wire
narness.
07TAZ-S25011A
Connect the SRS inflator simulator (2 Q connector)
and simulator lead C to the floor wire harness.
Reconnect the battery negative cable.
Erase the DTC memory.
6.
7.
23-60
15.
\J
8. Read the DTC.
ls DTC 4-3 indicated?
YES-Go to step L
NO-Short in the front passenger's seat belt
tensioner; replace the front passenger's seat belt
(see page 23-4).1
9. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
'10. Disconnect the floor wire harness 4P connector
C403 {A)from dashboard wire harness B.
TB40,I1A
L
11.Connect the SRS inflator simulator (2 0
connectors) and simulator lead F to dashboard wire
harness B.
Reconnect the battery negative cable.
Erase the DTC memory.
Read the DTC.
ls DTC 4-3 indicated?
YES-Go to step 15.
NO Short jn the floor wire harness; replace the
floor wire harness.I
Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
13.
14.

I
]
16. Disconnectthe driver's airbag connector (see step2 on page 23-211, front passenger's airbagconnector (see step 3 on page 23-21), and driver,sseat belt tensioner connector (see step 5 on page
23-221.
17. Disconnect SRS unit connector A (18p) from the
SRS unit (see step 7 on page 23-22).
18. Disconnect the special tool from dashboard wireharness B.
19. Check resistance between the No. 9 terminal andthe No. 18 terminal of SRS unit connector A (18p).
There should be an open circuit, or at least 1 Me.
SRS UNIT CONNECTOR A I18P}
Wire side of female terminals
ls the resistance as specified?
YES-Faulty SRS unit; replace the SRS unit (see
page 23-1221 .f
NO-Short in dashboard wire harness B; replace
dashboard wire harness B. I
RED/YEL
I]
t6r8 l \P
T
234568
10tl12t3151617
RED/BLK
DTC 4-4: Short to Power in Front Passenger's
Seat Belt Tensioner
Special Tools Required. SRS inflator simulator 07SAZ-T84011A. SRS simulator lead C 07TAZ-S25011A. SRS simulator lead F 07XAZ-S230100
1. Erase the DTC memory (see page 23-26).
2. Turn the ignition switch ON {ll), and check that the
SRS indicator comes on for about 6 seconds and
then goes off.
Does the SRS indicator stay on?
YES Go to step 3.
NO- Intermiftent failure. system is OK at this time.Go to Troubleshooting Intermittent Failures (see
page 23-261.
3. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
4. Disconnectthe front passenger's seat belttensioner 2P connector (A) from the floor wire
harness.
07TAZ-S2501'lA
5. Connect the SRS inflator simulator (2 e connector)and simulator lead C to the floor wire harness.
{cont'd)
23-61

sRs
DTC Troubleshooting (cont'd)
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
ls DTC 4-4 indicated?
YES Go to step 9.
NO-Short to power in the front passenger's seat
belt tensioner; replace the front passenger's seat
belt (see page 23-4).I
9. Turn the ignition switch OFF. Disconnect the
battery negative cable. and wait for 3 minutes.
'10. Disconnect floor wire harness 4P connector
C403 (A)from dashboard wire harness B.
07sAz-TB4o11A
Connect the SRS inflator simulator (2 0
connectors) and simulator lead F to dashboard wire
harness B.
Reconnect the battery negative cable.
Erase the DTC memory.
Read the DTC.
ls DTC 4-4 indicated?
YES-Go to step 15.
NO- Short to power in the floor wire harness;
replace the floor wire harness.l
11.
tJ.
14.
23-62
11.
15.
to.
18.
19.
20.
21.
Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
Disconnect the driver's airbag connector (see step
2 on page 23-211, tront passenger's airbag
connector (see step 3 on page 23-21), and drivefs
seat belt tensioner connector (see step 5 on page
23-22t.
Disconnect SRS unit connector A ('l8P) trom the
SRS unit (see step 7 on page 23-22).
Disconnect the special tool from dashboard wire
harness B.
Reconnect the battery negative cable.
Turn the ignition switch ON (ll).
Check for voltage between the No. 9 terminal of
SRS unit connector A (18P) and body ground, and
the No. 18 terminal and body ground. There should
be 0.5 V or less.
SRS UNIT CONNECTOR A (18PI
Wire side oJ Jemale terminals
Is the voltage as specified?
YES Faulty SRS unit; replace the SRS unit (see
page 23'1221.a
NO Shortto power in dashboard wire harness B;
replace dashboard wire harness B.l
t'J
J

I
I
DTC 4-5: Short to Ground in Front Passenger's
Seat Belt Tensioner
Special Tools Required. SRS inflator simulator 07SAZ-TB40'11A. SRS simulator lead C 07TAZ-S25011A. SRS simulator lead F 07XAZ-S230100
1. Erasethe DTC memory (see page 23-26]|.
2. Turn the ignition switch ON (ll), and checkthatthe
SRS indicator comes on for about 6 seconds andthen goes off.
Does the SRS indicator stay on?
YES-Go to srep 3.
NO-lntermittent failure, system is OK at this time.Go to Troubleshooting Intermittent Failures (see
page 23-26l,.
3. Turn the ignition switch OFF. Disconnect thebattery negative cable, and wait for 3 minutes.
4. Disconnect the front passenger's seat belttensioner 2P connector (A) from the floor wire
harness.
07TAZ-SZ501rA
Connect the SRS inflator simulator (2 e connector)and simulator lead C to the floor wire harness.
Reconnect the battery negative cable.
Erase the DTC memory.7.
8. Read the DTC.
ls DTC 4-5 indicated ?
YES-Go to step 9.
NO Short to ground in the front passenger's seat
belt tensioner; replace the front passenger's seat
belt (see page 23-4).I
9. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
10. Disconnect the floor wire harness 4P connector
C403 (Alfrom dashboard wire harness B.
TB40 t 1A
Connect lhe SRS inflator simulator (2 econnectors) and simulator lead F to dashboard wire
harness B.
Reconnect the battery negative cable.
Erase the DTC memory.
Read the DTC.
ls DTC 4-5 ind icated?
YES Go to step 15.
NO-Short to ground in the floor wire harness;
replace the floor wire ha rness.l
Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
11.
12.
14.
(cont'd)
23-63

sRs
DTC Troubleshooting (cont'dl
16. Disconnect the driver's airbag connector (see step
2 on page 23-21), front passenger's airbag
connector (see step 3 on page 23-21). and driver's
seat belt tensioner connector (see step 5 on page
23-22).
17. Disconnect SRS unit connector A (18P)from the
SRS unit (see step 7 on page 23-221.
18. Disconnect the specialtool from dashboard wire
harness B.
19. Check resistance between the No.9 terminal of
SRS unit connector A (18P) and body ground, and
the No. l8 terminal and body ground. There should
be an open circuit. or at least 1 M Q.
SRS UNIT CONNECTOR A {18P)
wire side of lemale terminals
ls the rcsistance as specified?
YES Faulty SRS uniU replace the SRS unit (see
page 23-1221.1
NO-Short to ground in dashboard wire harness B;
replace dashboard wire harness B.I
23-64
DTC 22-1: Open or Increased Resistance in
Front Passenger's Seat Belt Buckle Tensioner
Special Tools Required. SRS inflator simulator 07SAZ-T84011A. SRS simulator lead F 07XAZ-S230100
1 . Erase the DTC memory (see page 23-261.
2. Turn the ignition switch ON (ll), and check that the
SRS indicator comes on for about 6 seconds and
then goes otf.
Does the SRS indicator stay on?
YES-Go to step 3.
NO-lntermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures (see
page 23-26).
3. Turn the ignition switch oFF. Disconnect the
battery negative cable, and wait for 3 minutes.
4. Disconnectthe front passenger's seat belt buckle
tensioner 4P connector (A) from the floor wire
harness.
5. Connect the SRS inflator simulator (2 Q
connectors) and the simulator lead F to the floor
wtre harness.
\,