2002 HONDA CIVIC ground

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1 1. Check resistance between the No. 2 terminal of the
floor wire harness 3P connector and body ground.
There should be an open circuit. or at least 1 fvl Q ,
FLOOR WIRE HARNESS 3P CONNECTOR
Wire side ot temale terminals
ls the resistance as specified?
YES-Go to step 12.
NO Short to ground in the floor wire harness or
multiplex control unit. Replace the faulty harness or
part.I
Check resistance between the No. 3 terminal of the
floor wire harness 3P connector and body ground.
There should be an open circuit, or at least 1 M Q.
FLOOR WIRE HARNESS 3P CONNECTOR
LT GRN
Wire side of female terminals
ls the resistance as specified?
YES Go to step 13.
NO-Short to ground in the floor wire
replace the floor wire harness.I
12.
13. Check resistance between the No. 8 terminal of
SRS unit connector C (8P) and the No. 3 terminal of
the floor wire harness 3P connector. There should
be0 1Q.
FLOORWIRE HARNESS SRS UNITCONNECTORC I8P}3P CONNECTOB
Wire side of female terminals
ls the resistance as specitied?
YES Go to step 14.
NO Open in the floor wire harness; replace the
floor wire harness.l
Check resistance between the No. 4 terminal of
SRS unit connector C (8P) and the No. 2 terminal of
the floor wire harness 3P connector. There should
be0-1 0.
14.
FLOOR WIRE HARNESS3P CONNECTORSRS UNIT CONNECTOR C IsPI
Wire side of female terminals
ls the resistance as specified?
YES Replace the SRS unit (see page 23-122).1
NO Open in the floor wire harness or multiplex
control unit, or poor connection at the floor wire
harness, the under-dash fuse/relay box, and the
multiplex control unit. Check the connection at the
floor wire harness, the under-dash fuse/relay box,
and the multiplex control unit. lf the connection is
OK, replace the faulty harness or part.l
harness;
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7. Unbuckle the front passenger's seat belt.
Check resistance between the No. 1 and No. 2
terminals of the front passenger's seat belt buckle
switch 3P connector. There should be 0 1!).
Check resistance between the No. 1 and No. 3
terminals of the same connector. There should be
an oDen circuit, or at least 1 M Q
FRONT PASSENGER'S SEAT BELTBUCKLE SWITCH 3P CONNECTOR
Terminal side of male terminals
Terminal side of male terminals
ls the resistance as specilied?
YES Go to step 8.
NO-Replace the front passenger's seat belt buckle
assembly, then clear the DTC.I
9.
10.
8. Check resistance between the No. 1 terminal ofthe
floor wire harness 3P connector and body ground.
There should be 0 1Q.
FLOOR WIRE HARNESS 3P CONNECTOR
Wire side of female terminals
ls the tesistance as specified?
YES Go to step 9.
NO-Open in the floor wire harness or poor ground
connection at G551. lf G551 is OK, replace the floor
wire harness.I
Disconnect the negative cable from the battery,
Disconnect SRS unit connector C (8P) from the SRS
unit (see step 7 on page 23-22).
(cont'd)
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sRs
DTC Troubleshooting (cont'dl
11. Check resistance between the No.2 terminal ofthe
floor wire harness 3P connector and body ground.
There should be an open circuit, or at least 1 M 0 .
FLOOR WIRE HARNESS 3P CONNECTOR
Wire side of female terminals
ls the resistance as specified?
YES-Go to step 12.
NO-Short to ground in the floor wire harness;
replace the floor wire harness.I
Check resistance between the No. 3 terminal of the
floor wire harness 3P connector and body ground.
There should be an open circuit, or at least 1 l\4 0 .
FLOOR WIRE HABNESS 3P CONNECTOR
Wire side of temale terminals
ls the resistance as specified?
YES-Go to step 13.
NO Short to ground in the floor wire harness;
replace the floor wire harness.I
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13. Check resistance between the No. 7 terminal of
SRS unit connector C (8P) and the No. 3 terminal of
the floor wire harness 3P connector.
There should be 0-1 Q.
FLOORWIRE HARNESS SRS UNITCONNECTOR C (8P)3P CONNECTOR
Wire side of female terminals
ls the tesistance as specified?
YES-Go to step 14.
NO Open in the floor wire harness; replace the
floor wire harness.I
Check resistance between the No, 3 terminal of
SRS unit connector C (8P) and the No. 2 terminal of
the floor wire harness 3P connectof
There should be 0 1Q.
LJ
14.
FLOOR WIRE HARNESS3P CONNECTORSRS UNIT CONNECTOR C ISPI
Wire side of female terminals
ls the resistance as specified?
YES Replace the SRS unit (see page 23-122).1
NO Open ln the floor wlre harness; replacethe
floor wire harness.l

sRs
DTC Troubleshooting (cont'dl
13. Check voltage between the No. 10 terminal of SRS
unit connector A (18P) and body ground. There
shouid be 'l V or less.
SRS UNIT CONNECTOR A {,I8P)
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Wire side oI female terminals
ls the voltage as specitied?
YES-Go to step 14.
NO-Short to power in the engine compartment
wire harness or dashboard wire harness B; replace
the faulty harness.l
Turn the ignition switch OFF.
Connect the SRS inflator simulator (jumper
connector) and simulator lead H to the engine
compartment wire harness 2P connector (A).
07YAZ-S3AA100
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14.
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16. Check resistance between the No. 10 and No. 11
terminals of SRS unit connector A (18P). There
should be 1 0 or less.
SRS UNIT CONNECTOR A Il8PI
Wire side of female terminals
ls the rcsistance as specified?
YES Faulty left front impact sensor or SRS unit;
replace the left front impact sensor (see page 23-125).
lf the problem is still present, replace the SRS unit(see page 23-122).1
NO-Poor connection at C401, faulty engine
compartment wire harness, or faulty dashboard
wire harness B. Inspect C401. lf it is OK, replace the
faulty harness.l
= \y,

sRs
DTC Troubleshooting (cont'd)
13. Check voltage between the No. 1terminal ofSRS
unit connector A (18P) and body ground. There
should be 1 V or less.
SRS UNIT CONNECTOR A I18P}
Wire side of female terminals
ls the voltage as specified?
YES Go to step 14.
NO-Short to power in the engine compartment
wire harness or dashboard wire harness B; replace
the faulty harness.l
Turn the ignition switch OFF.
Connect the SRS inflator simulator (jumper
connector) and simulator lead H to the engine
compartment wire harness 2P connector (A).
14.
07YAZ-S3AA100
23-80
16. Check resistance between the No. 1 and No. '12
terminals of SRS unit connector A (18P). There
should be 1 O or less.
SRS UNIT CONNECTOR A {18P)
GRN
Wire side of female terminals
ls the resistance as specitied?
YES Faulty right front impact sensor or SRS unit;
replace the rightfront sensor {see page 23-125). lfthe
problem is still present, replace the SRS unit (see
page 23-1221.a
NO- Poor connection at C401, faulty engine
compartment wire harness, or faulty dashboard
wire harness B. lnspect C401. lf it is OK, replace the
faulty harness, I
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BLK

sRs
DTC Troubleshooting (cont'd)
6. Reconnect the battery negative cable.
7. Erase the DTC memory,
8. Read the DTC.
Is DTC 11-4 indicated?
YES-Go to step 9.
NO Short to power in the driver's side airbag
inflator; replace the driver's side airbag (see page
23-115).t
Turn the ignition swilch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
Disconnect the front passenger's side airbag 2P
connector (see step 4 on page 23-21) and both seat
belt buckle tensioner 4P connectors (see steD 6 on
page 23-221.
9.
'10.
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11.Disconnect SRS unit connector B (18P) from the
SRS unit (see step 7 on page 23-22l,.
Turn the ignltion switch ON (ll).
Check for voltage between the No. 6 terminal of
SRS unit connector B (18P) and body ground, and
between the No. 17 terminal and body ground.
There should be 0.5 V or less.
SRS UNIT CONNECTOR B I18P)
WHT/BLK
ls the voltage as specitied?
YES- Faulty SRS uniU replace the SRS unit (see
page 23-1221.a
NO Short to power in the floor wire harness;
replace the floor wire harness.l
't2.
13.
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DTC 11-5: Short to Ground in Driver's Side
Airbag Inflator
Special Tools Required. SRS inflator simulator 07SM-T84011A' SRS simulator lead E o7XAZ-S140200
'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 23-261.
3. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
4. Disconnect the floor wire harness 2P connector (A)
from the driver's side airbag.
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Connect the SRS inflator simulator (2 Q connector)
and simulator lead E to the floor wire harness.
Reconnect the battery negative cable.
Erase the DTC memory.
6.
7.
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8. Read the DTC.
ls DTC 11-5 ind icated?
YES Go to step 9.
NO Short to ground in the driver's side airbag
inflator; replace the driver's side airbag (see page
23-115).t
9. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
10. Disconnect the front passenger's side airbag 2P
connector (see step 4 on page 23-21)and both seat
belt buckle tensioner 4P connectors (see step 6 onpage 23-221.
11. DisconnectSRS unitconnectorB (18P)fromthe
SRS unit (see step 7 on page 23-22).
'12. Check resistance between the No. 17 and No. 15
terminals of SRS unit connector B (18P). and
between the No. '17 and No. 16 terminals. Then
check resistance between the No. 17 terminal and
body ground. There should be an open circuit, or at
least 1 M 0.
SRS UNIT CONNECTOR B I18P)
WHT/BLK
Wire side of female terminals
ls the resistance as specified?
YES Faulty SRS unit; replace the SRS unit (see
page 23-122).a
NO-Short to ground in the floor wire harness;
replace the floor wire harness.I
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6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
ls DTC 12-4 indicated ?
YES Go to step 9.
NO-Short to power in the front passenger's side
airbag inflator; replace the front passenger's side
airbag (see page 23-115). t
9. Turn the ignition swilch OFF. Disconnectthe
battery negative cable, and wait for 3 minutes.
'10. Disconnect the driver's side airbag 2P connector(see step 4 on page 23-21) and both seat belt buckle
tensioner 4P connectors (see step 6 on page 23-22l,.
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11.Disconnect SRS unit connector B (18P) from the
SRS unit (see step 7 on page 23-221.
Turn the ignition switch ON (ll).
Check for voltage between the No. 7 terminal of
SRS unit connector B ( l8P) and body ground, and
between the No. 18 terminal and body ground.
There should be 0.5 V or less.
SRS UNIT CONNECTOR B I18P)
WHT/GRN
ls the voltage as specified?
YES Faulty SRS unil; replace the SRS unit (see
page 23-1221 .a
NO Short to power in the floor wire harness;
replace the floor wire harness.l
1?
13.
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