Honda Civic Service Manual page 1798

Troubleshooting
DTC 2-1 and DTC 2-2 - Wathout Front Passenger's Airbag
CAUTION: Whenever the ignition switch is ON {lll. or
has been turned OFF tor less than three minutes, be
caretul not to bump the SRS unit; the aidag could acci-
dentally deploy and causs damage or iniuries.
Try to reproduc€ the SRS indicator light:
1. Erase the DTC memory {see page 24-15r.
2. Turn the ignition switch ON (ll), and check thatthe SRS indi
cator light comes on lor about six seconds and ooes off.
SRS UNIT
Intermittent failu.e, system is OK at this time. Se€ Trouble-
Intermifient Failuies on paqe 24-15.
OUMMY RESISTOR
Check for an open oa increased resistance in the dummv
teslstot:
1. Turn the ignition switch OFF.
2. Remove the dummy resistor from the SRS main harness
2P connector,
3. Check the resistance between the A and B terminals of
the dummy resistor. There should be 1.5 - 2.5 0.
resistoa.
Check lor an open or incre.sed resisiance in the SRS main
harness:
'1. Disconnect
the battery negative cable, then disconnect
the positive cable, and wait for three minutes.
2. Disconnect the driver's airbag 2P connector from the
cable reel2P connector lsee page 24 t t).
3. Disconnect the SRS main harness t8p connector from
the SBS unit.
4. Connect the dummy resistor to the SRS main harness 2p
connector.
5. Check resistance between the No- 1O terminal and No. 14
terminal of the SRS main harness 18p connector. There
should be aDorox. 1.5 - 2.5 0.
SRS MAIN HARNESS
18P CONNECTOR
ls the resistance es speciti€d?
YES
Poor contact ar the SRS main hahess 18p connector;
check the connector.
. lf the connector is OK. substitute a known-good SRS
unit, and recheck.
. lf the problem is still present. repbce the SRS main
narness.
24-5A
\
Ooes the SRS indicalor light stay on?
Open or increased resi3tanc6 in tho SRS main harness;
O U
I