dtc HONDA CIVIC 2002 7.G Workshop Manual

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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.
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6. Reconnect the baftery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
ls DTC 22-1 indicated?
YES-Go to step 9.
NO Open or increased resistance in the frontpassenger's seat belt buckle tensioner; replace thefront passenger's seat belt buckle.l
9. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
10. Disconnect both side airbag 2P connectors (see
step 4 on page 23-21) and the driver's seat belt
buckle tensioner 4P connector (see step 6 on page
23-22).
11. Disconnect SRS unit connector B (18P)from theSRS unit (see step 7 on page 23-22). Do not
disconnect the special tool from the floor wire
harness.
12. Check resistance between the No. 2 and No. 11
terminals of SRS unit connector B ('l8P). There
should be 2.0 3.0 0.
SRS UNIT CONNECTOR B I,I8PI
)m
36789
r5r61T18
Wire side of female terminals
ls the resistance as specified?
YES Faulty SRS unit or poor contact at SRS unitconnector B (18P) and the SRS unir. Check theconnection; if the connection is OK, replace theSRS unit (see page 23-122).a
NO Open or increased resistance in the floor wireha rness; replace the floor wire ha rness.lIt
23-65
DTC 22-3: Short to Another Wire orDecreased Resistance in Front Passenger's
Seat Belt Buckle Tensioner
SpecialTools Required. SRS inflator simulator 07SAZ-TB4011A. SRS simulator lead F 07XAZ,S230100
'1. Erase the DTC memory (see page 23-26).
2. Turn the ignition switch ON fll), and check that theSRS indicator comes on for about 6 seconds andthen 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 23-26),.
3. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
4. Disconnect the front passenger's seat belt buckle
tensioner 4P connector (A) from the floor wire
harness.
5. Connect the SRS inflator simulator (2 Qconnectors) and the simulator lead F to the floor
wtre harness.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
{cont'd)

sRs
DTC Troubleshooting (cont'dl
8. Read the DTC.
ls DTC 22-3 indicated?
YES Go to slep 9.
NO-Short in the front passenger's seat belt buckle
tensioner; replace the front passenger's seat belt
buckle.l
9. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
10. Disconnect both side airbag 2P connectors (see
step 4 on page 23-21)and the driver's seat belt
buckle tensioner 4P connector (see step 6 on page
23-22).
'11. Disconnect SRS unit connector B {18P)from the
SRS unit (see step 7 on page 23-221.
12. Disconnect the special tool from the floor wire
h a rness.
13. Check resistance between the No.2 and No. 11
terminals of SRS unit connector B ( 18P). There
should be an open circuit, or at least 'l M !) .
SRS UNIT CONNECTOR B {18P}
GRN/RED
Wire side oI female terminals
ls the resistance as specified?
YES Faulty SRS unit; replace the SRS unit (see
page 23'1221 .a
NO Short in the floor wire harness; replace the
floor wire harness.I
GRN
23-66
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DTC 22-4: Short to Power in Front Passenger's
Seat Belt Buckle Tensioner
SpecialTools Required. SRS inflator simulator 07SAZ-TB4011A. SRS simulator lead F 07XAz 5230100
1. Erase the DTC memory (see p age 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 SHS indicator stay on?
YES Go to step 3.
NO Inlermittentfailure,system isOKatthistime.
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. Disconnect the front passenger's seat belt buckle
tensioner 4P connector (A) from the floor wire
narness.
5. Connect the SRS inflator simulator (2 !J
connectors) and simulator lead F to the floor wire
ha rness.
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6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
ls DTC 22-4 indicated?
YES Go to step g.
NO-Short to power in the front passenger,s seatbelt buckle tensioner; replace the front passenger,s
seat belt buckle. !
9. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes,
10.Disconnect both side airbag 2P connectors (see
step 4 on page 23-21)and the driver's seat beltbuckle tensioner 4P connector (see step 6 on page,1_r'>\
Disconnect SRS unit connector B (18P) from theSRS unit (see step 7 on page 23-221.
Disconnect the special tool from the floor wireharness.
Reconnect the battery negative cable.
Turn the ignition switch ON (ll).
Check for voltage between the No. 2 terminal ofSRS unit connector B {18P) and body ground, andthe No. 11 terminal and body ground. There shouldbe 0.5 V or Iess.
SRS UNIT CONNECTOR B I18P)
ls the voltage as specified?
YES-Faulty SRS unit; replace the SRS unit (see
page 23-1221 .l
NO Short to power in the floor wire harness;
replace the floor wire harness.l
11.
't2.
t5.
14.
23-67

sRs
DTC Troubleshooting (cont'dl
DTC 22-5: Short to Ground 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 23-26).
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. Disconnectthe
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,
Connect the SRS inflator simulator (2 Q
connectors) and simulator lead F to the floor wire
narness.
Reconnect the battery negative cable.
Erase the DTC memory.
5.
6.
1.
23-68
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8. Read the DTC.
ls DTC 22-5 indicated?
YES-Go to step 9.
NO Short to ground in the front passenger's seat
belt buckle tensioner; replace the front passenger's
seat belt buckle.l
9. Turn the ignition switch OFF. Disconnectthe
battery negative cable, and wait for 3 minutes.
10. Disconnect both side airbag 2P connectors (see
step 4 on page 23-21) and the driver's seat belt
buckle tensioner 4P connector (see step 6 on page
23-22t.
11. Disconnect SRS unit connector B (18Plfrom the
SRS unit (see step 7 on page 23-221.
12. Disconnect the special tool from the floor wire
harness,
13. Check resistance between the No. 2 terminal of
SRS unit connector B (18P) and body ground, and
the No, 11 terminal and body ground. There should
be an open circuit, or at least 1 M Q.
SRS UNIT CONNECTOR g {18PI
ls the resistance as specified?
YES-Faulty SRS unit; replace the SRS unit (see
page 23-1221 .a
NO Short to ground in the floor wire harness;
replace the floor wire harness.l
bU
Wire side of female terminals

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DTC s-1, 5-2, 5-4, s-8, 6-3, 6-4,6-7,6-8,7-1,
7-2,7-3, A-1,4-2, 8-3, 8-4, 8-5, 8-6, 9-1, 9-2:
Internal Failure of the SRS Unit
NOTE: Before troubleshooting any of these DTCs, check
the battery/system voltage. lf the voltage is low, repair
the charging system or replace the battery before
troubleshooting the SRS. lf the battery/system voltage
is now OK, ask the customer if the battery ever went
oeao,
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 indicatot stay on?
YES Replace the SRS unit (see page 23-122).1
NO Intermittent failure, system is OK at this time.
Go to Troubleshooting lntermittent Failures (see
page 23-26).
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DTC 10-1, 10-2, 10-3, 10-4, 10-s, 10-6, 10-7:
Airbags, Side Airbags, and/or Seat Belt and
Seat Belt Buckle Tensioners Deployed
The SRS unit must be replaced after any airbags and/or
tensioners have deployed (see page 23-122). !
23-69

SRS
DTC Troubleshooting (cont'd)
DTC 13-1, 13-2: Internal Failure of the Driver's
Side lmpact Sensor
1. Erase the DTC memory (see p age 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 indicatot stay on?
YES Replace the driver's side impact sensor (see
page 23-123) .a
NO Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures (see
page 23-261.
23-70
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DTC 14-1, 14-2: Internal Failure ofthe Front
Passenger's Side lmpact Sensor
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-Replace the front passenger's side impact
sensor (see page 23-123],.1
NO-lntermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures (see
page 23-26).
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DTC 9-3: Fau lty Driver's Seat Belt Buckle
Switch
1. Erase the DTC memory (see page 23 26).
2. Turn the ignition switch ON (ll), then buckle and
unbuckle the driver's seat belt several times.
3. Read the DTC.
ls DTC 9-3 indicated?
YES Go to step 4.
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 driver's seat belt buckle switch 3P
connector (A) from the floor wire harness.
4.
5.
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6. Buckle the driver's seat belt.
Check resistance between the No. 1 and No.3
terminals ofthe driver's seat belt buckle switch 3P
conneclor. There should be 0 1 (J.
Check resistance between the No. 1 and No.2
terminals of the same connector. There should be
an open circuit, or at least 1 M Q .
DRIVER'S SEAT BELT BUCKLE SWITCH3P CONNECTOR
BLU/RED
Terminal side of male terminals
Terminal side of male terminals
Ate the resistance readings as specif ied?
YES - Go to step 7.
NO Replace the driver's seat belt buckle assembly,
then clear the DTC.I
(cont'd)
23-71

sRs
DTC Troubleshooting (cont'dl
7, Unbuckle the driver's seat belt.
Check resistance between the No. 1 and No.2
terminals ofthe driver's seat belt buckle switch 3P
connector. There should be 0 1 Q.
Check resistance between the No. 1 and No. 3
terminals of the same connector. There should be
an open circuit, or at least 1 M Q
DRIVER'S SEAT BELTBUCKLE SWITCH 3P CONNECTOR
Terminal side of male terminals
BLU/RED
Terminal side oI male terminals
ls the rcsistance as specified?
YES Go to step 8.
NO-Replace the driver's seat belt buckle assembly,
then clear the DTC.I
23-72
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8. Check resistance between the No. 1 terminal ofthe
floor wire harness 3P connector and bodv oround.
There should be 0 '1 0.
FLOOR WIRE HARNESS 3P CONNECTOR
Wire side of female terminals
ls the resistance as specified?
YES Go to step 9.
NO Open in the floor wire harness or poor ground
connection at G551. lf G55'1 is OK, replace the floor
wrre harness.l
Disconnect the negative cable from the battery.
Disconnect SRS unit connector C (8P) from the SRS
unit {see step 7 on page 23-22).
9.
10.