Honda Civic 1998 Service Manual page 1387

1.3T
Troubleshooting
DTC 2-1 and DTC 2-2 - Without Front passenger,s Airbag
CAUTION: Whenever rhe ignition switch is ON ( ), or
hrs been turned OFF for less than three minuies. be
cr.etul not to bump the SRS unit; the ailbag could acci.
dentally deploy and cause damage or injuries.
Try to reproduco the SRS indicstor light:
1. Erase the DTC memory {see page 2+15).
2. Turn the agnition switch ON 0), and checkthatthe SRS indi_
cator light comes on tor aboot six seconds and goes off.
SRS UNIT
DUMMY RESISTOR
DUMMY
REStSTOn
SRS MAIN HARNESS
18P CONNECTOR
Open or incre.sed re3istance in tho SRS main harness;
th€ harness.
SRS MAIN HARNESS
2P CONNECTOR
Does the SRS indicator lisht stav on?
lntormittent failu.e, system is OK at this time. See Trouble.
Inte.mittent F ilures on paq€ 24-15.
Check for .n open or increased rosistance in th€ dummy
lesistori
1. Turn the ignition switch OFF.
2. Remove the dummy resistor trom the SRS main harness
2P connector.
3. Check the resistance between the A and g terminals of
the dummy resistor. There should be 1.5 2.5 0.
ls the r€sistanc€ as sDecifiod?
Check for an open or increased rcsistance in the SRS main
harness:
1- Disconnect the battery negative cable, then disconnect
the positive cable, and wait for three mtnutes.
2. Disconnect the driver,s airbag 2p connector from the
cable reel 2P connector {see page 24-11).
3. Disconnect the SRS main harness 1gp connector from
the sRs unit.
4. Connect the dummy resjstor to the SRS main harness 2p
connector.
5. Check resistance between the No. l0terminal andNo. 14
terminal of the SFS main harness 1gp connector. There
should be approx. 1.5 - 2.5 0.
Poor contect at the SRS m.in hamess lBp connector;
ch€ck the connector,
. It lhe connector is OK, substituto a known-good
SRS
unit. and recheck.
. It lhe problem is stilt present. replaco the SRS
main
haaness.
24-58