positive terminal HONDA CR-V 1997 RD1-RD3 / 1.G Service Manual

Troubleshooting
DTC 8-6 -'97 model
CAUTION: Whonever th€ ignition switch is ON fll). olhas b€en turned OFF for les3 than thro€ minutes, becaretul not to bump the SRS unit; tho airbags couldaccidentally deploy and cause damage or iniurios.
Besides indicating an abnormality in the SRS unit, DTC8-6 may also indicate that two problems equivalent toDTC 1-1 and 2-4, 'l-4 and 2-1, or 1-4 and 2-4 occurred atthe same time. Proceed in the order shown below.
18P CONNECTOR
\
Chock the SBS main harnGs:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the driver's airbag and front passenger,safrDag connectors {see page 24-23).3. Disconnect the SRS main harness t8p connector fromthe sRs unit.4. Reconnect the battery posative cable, then reconnect thenegative cable.5. Turn the ignition switch ON 0t).6. Connect a voltmeter and measure voltage between theNo. 10 terminal ot the SRS main harness l8p connectorand ground, and between the No. 14 terminal and qround.There should be aDorox.0-0.5 V.
Are voltages as specitied?
NOYES
Shon to power in tho SRS main harness; reglace the SRSmain harn€63.
Chock the SRS mein harnels and the cable re€l:Connect a voltmeter and measure voltage between the No. 1terminal of the SRS main harness l8p coonector andground, and between the No. 13 terminal and ground. Thereshould be approx.0 0.5 V.
Are voltages as specifiod?
YESNO
Faulty SRS unit; replace the SRS unit {sae pago 24-951.
To page 24-83 (A)
24-82
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Troubleshooting
DTC 9-2 -'97 model
CAUTION: Whenever the ignition switch is ON flll, orhas been turned OFF tor loss than thrse minute3, bscareful not to bump the SRS unit; lhe airbags couldaccidentally doploy and causo damage or iniuriss.
\
Ch6ck the tuso:1. Turn the ignition switch OFF.2. Check tor blown No. 23 (10 A) fuse in the !nder-dashIuse/relay box.
Replace the fuse. Turn the ignition switch ON {ll}, and ch€ckthat the fuse doesnt blow.
Tho problem has dilappeared. T6t-drive the vohid€ andsee Troubl6hogting Intermittedt Failur6 on prgc 2il-2g.
Check for shon to ground botween the undor-darh fu36,/relay box and tho SRS unit.1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.3. Disconnect the driver's and front passenger,s airbag con-nectors {see page 24,23).4. Disconnect the SRS main harness 18p connector from
5. Check resistance between the No. 3 terminal of the SFSmain harness 18P connector and grouncl.There should be 1 M0 or more.
Faufty SRS unit; replaco th6 SRS unit {3e€ page 2t-951.
(A) To page 24-85
To page 24-85
No. 23 110 Al FUSE
FUSE/RELAY BOX
sRs18P CONNECTOR
24-84
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from page 24'84(B)
Ch6ck fo. short io ground in the SRS main harnes!:1. Disconnect the SRS main harness 2P connector lrom theunder-dash fuse/relay box.2. Check resistance between the No. 3 terminal of the SRSmain harness 18P connector and ground. There shouldbe 1.0 MO or more.
ls the resbtanco as soecitied?
YESNO
Short to ground in the undor-dalh fuse/relay box;r€placo th€ under-da3h fuse/relav box.
Short to ground in the SRS main harneas; replaco the SRSmain harneas.FUSE/RELAY BOX
Ch€ck for an open in the SRS main harnes:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable, and wait tor three minutes.3. Disconnect the driver's and front passenger's airbag con-nectors {see page 2il 23).4. Disconnect the SRS main harness 18P connector fromthe sRs unit.5. Reconnect the baftery positive cabie, then reconnect thenegative cable.6. Connect a voltmeter between the No. 3 terminal of theSRS main harness 18P connector and oround.7. Turn the ignition switch ON (ll) , and measure
Poor contrct at the SRS main harn€ss 18P connector;check the connectoa.. lf the connsctor is OK, substitute a known-good SRSunit, and rccheck.. lf the problom is still present. replaco the SRS mainharness,
(A) From page 24-84
To page 24'86
SRS MAIN HARNESS18P CONI{ECTOR
SBS MAIN HARNESS18P COI{l{ECTOR
(cont'd)
24-85
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SRS Unit
).0Replacement
CAUTION:
. Before disconnecting any part of the SRS wire har-
nesg, disconnect the airbag connoctors (and soat beh
tensioner connectorsl.
. During installation or replacament, do not bump(impact wrench, hammer etc.) the area near the SRS
unit.
Do not damage the SFS unit terminalg or connsc-
lors.
Do not disassemble the SRS unit it has no saryice-
able parts,
Store the SRS unit in a clean, dry area.
Do not use any SRS unit which has been subiected
to water damage or shows signs ot being dropped orimproperly handlgd, such as dents, cracks or defor-
mation.
Disconnect the battery negative cable, then discon-
nect the positive cable from the battery, andwaitat
least three minutes.
Disconnect the airbag connectors (and seat belt ten-
sioner connectors). (When disconnected, the airbag
and seat belt tensioner connectors are automatical-
ly shorted.)
Driver's Side:
. Remove the access panel from the steering
wheel, then disconnect the 2P connector
between the driver's airbag and cable reel (see
page 24-231.
Front Passenger's Side:. Disconnect the 2P connector between the frontpassenger's airbag and SRS main harness (see
page 24-231.
Soat Beh Tensionor ('98 - 00 modelsr:. Remove the left and right center pillar lower trimpanels (see section 20).
. Disconnect the seat belt tensioner 2P connectors
from the left side wire harness (driver's side) and
the right wire harness (front passenger's side)(see page 24'231.
2.
a
a
'1.
)
)o
24-95
3. Remove the right side cover from the SRS unit.
SRS UNIT
TORXAOLTSUse a TorxT30 bir.
COVER
Remove the left slde cover from the SRS unit. then
disconnect the SRS main harness 18P connector
from the SRS unit.
sRsHARNESS18P CONNECTOR
TORXBOLTSUs€ a TorxT30 bir.
stoECOVER
Remove the four Torx bolts from the SRS unit. then
oull out the SRS unit from the driver's side.
(cont'd)
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