1998 HONDA CIVIC Trouble shooting ignition system

Troubleshooting
ABS Indicator Light Does Not Come On
YES
NOTE:Reinstallthefuse if it is OK.
The A8S indicator light does not come on when ignition switch is turned ON ll.
NOTE: All indicator tights except the charg,ing system light will not come on when theMETER 17.5 A) ft se is btown.
NO
GAUGE ASSEMBI"Y 5P CONNECTOR
Wire side of female terminals
Tho ABS indicator light does notcome on wh€n ignition switch istu.ned ON {lll.
check the METEB (7.5 A) fuse inthe under-dash fuse/relay box.
Beplace the tu3e and recheck.
Check for an open in th6 lcl cir-cuii:1, Disconnect the gauge assembly 5P connector.2. Turn the ignitjon switch ON l).3. Measure the voltage betweenthe gauge assembly 5P con-nector terminal No. 5 andbody ground.
. Ropair opan in tho wirobotwe€n thc METER t7.5 Attuso and gauge .$cmbly.. Roplacc th. und.r-dash tus./r.l.y box. lop.r cirouit in3idothe box.l
ls there baftery voltage?
Check the ABS indicator lightbulb in the gauge assembly.
ls the bulb OK?
Ch€ck tor a short to power in theWALP circuit:Measure the voltage between thegauge assembly 5P connectorterminal No. I and body ground.
Replir short to power in tho wiiGb.tweon the gruge rs3embly.nd ABS control unh.
ls there battery voltage?
lTo page 19-61)
19-60

Troubleshooting
Central Processing Unit (CPUI
Diagnostic Troublo Code IDTC) 81: CPU Disgnosis
- With the ignition switch ON{lll. ABS indicator light doesnot go oft.- With tho SCS servi@ connec-tor conn€cted lsee page 19{6},DTC 81 is indicated.
P.oblem vedfication:1. Erase the DTC.2. Test-drive the vehicle.3. Make sure that the ABS indi,cator light comes on and DTC81 is indicated.
ls DTC 81 indicated?R€pllc6 th. ABS control unh.
The system k OK rt this time.
19-74

Troubleshooting
A/C System (cont'd)
From page 22-11
. _Ff,, __
I11213[
,r,il*"-T",-.r-'..owrRE I
To page 22-19 1'96 - 98 models)
A/C THERMOSTAT 3P CONNECTOR
Wire side oI female terminals
Check tor an open in the wire:1. Turn the ignition switch OFF.2. Disconnect the A/C thermostat 3P connector.3. Turn the ignition switch ON (ll).
4. Measure the voltage betweenthe No. 3 terminal of the Ay'Cthermostat 3P connector andbody ground.
Repai. open in the wire betweentho No. 17 tuso and the A/C the.-mostat.
Check loi an open in the wi.e:Measure the voltage between theNo. 1 terminal of the A,/C thermostat 3P connector and bodyground,
Ropair open in the wire betwoenthe condedlo. lan rolay and theA/C thormostat.
ls there battery voltage?
Check the A/C th6rmostat:1. Turn the ignition switch OFF.2. Reconnect the A,/C thermostat3P connector.3. Connect the No. 2 terminal toground with a iumperwire.4. Start the engine.
Do the fan run and the com-pressor clutch engage?
To page 22-20 ('99 - 00 models)
22-18

lgnition System
Component Location Index
IGNITION TIMING CONTROL SYSTEM
. Troubleshooting, section 11
. ldle speed Inspection/Adjustment. section 11
. Inspection and Setting, page 23-105
SERVICE CHECK CONNECTOR {2P}Iwiie colors: 8RN and BLKI
TEST TACI{OMETER CONNECTOB
IGNITION WIRESlnspection and Test, page 23-110
PLUGSInspection, page 23 1 11
Replacement, page 23'106Overhaul, page 23-107lgnition Coil Test, page 23'110lgnition Control Module llCM)Input Test, page 23-109
23-102

lgnition System
Distributor Overhaul (cont'dl
TEC:
IGNITION CONTROLMODULE IICM'Input Test, page 23-1
DISTRIBUTOR IGNITION {DI} HOUSINGCheck for cracks and damage.
COVER
DISTRIBUTOR IGNITION IDI) ROTOB
CAP SEALCheck for damage.DISTRIBUTOR IGNITION {DII CAPCheck for cracks, wear,damage, and fouling.Clean or replace,
IGNITION COILTest, page 23-110
O-RINGReplace
\
I
@
TDC/CKP/CYP S€NSORTroubleshooting, section 1 1Do not disassemble.
WHT/BLU
23-104

Charging System
Troubleshooting
lf the charging system light does not come onthe order listed below:
1. Baftery (see page 23-91)
2. Charging system light
3. Voltage
4. Alternator control system (USA)
5. Alternator/regulator
Charging Systom Light Test
or does not go off, or the battery is dead or low, test the following items in
ALTERNATOR 4P CONNECTORIUSA)
Wire side offemale terminals
IG(8LK/YEL}
ALTERNATOR 3P CONNECTORlC.nadal
Wre side oftemale terminals
[ ]: Canada
23-114
Charging Svstem Light Check-l :lvlake sure the charging systemlight comes on.
Check for a blown No. 15 t7.5 A)fuso .nd a blown charging sys-tom light bulb. ll the fuse .ndbulb .re OK, ropair the open inth6 WHT/BLU wi16.
Does the charging systemlight come on?
Charging System Light Chec*-2:Start the enoine.
Does the charging systemlight go off?
Volta96 ChecklMeaslre the voltage at the No. 1lNo. 2l terminal of the 4P [3Plcon-nector with the ignition switch ONflr).
R6p.ir the op6n in the BLK/YELwire b€twsen tho altornator andund€r-dash tuso/.glay box.
ls there battery voltage?

Charging System
Troubleshooting (cont'd)
Alternator Control System Test (USA): ,96 - 98 modets, ,99 _ 00 Dl6y5 (M/Tl engine
NorE: Before testing. check proper operation of the ELD by confirming with the MrL {see section r 1).
BATTERY
CAUTION: Be 3ure to use a voltmot€.with its plus terminal connected to b.t-tery plus and its minus terminal to the{P connectoi tgmrinal No. 2.c
{WHT/GRNt
Wire side oIfemale terminals
ALTERNATOR.P CONNECTOB
Check for a 3hort in the circuitIALTC linel:1. Reconnect the 4P connectorto the alternator,2. Stan the engine, and turn theheadlights {high beam) ON.3. Measure voltage between the4P connector terminal No. 2and the positive terminal ofthe battery.
ls there 1V or less?
Check for rn opon in tha wire(ALTC linol:1. Turn the headlight and igni-tion switch OFF.2. Disconnect the 32P connectortrom the ECM/PCN4.3. Check tor continuity betweenthe ECM/PCM 32P connectorterminal No. 19 and alternator4P connector terminal No. 2.
Bspair open in thg wire lrstweenthe rhern.tor .nd ECM/PCM.
Check for short in the wire (ALTClinel:1. Turn the headlight and ignition switch OFF.2. Disconnect the 32P connectortrom the ECM/PCM.3. Check tor continuity betweenthe ECM/PCM 32P connectorterminal No. 19 and bodyground.
Subslitute a known-good ECM/PCM, .nd .och6ck.It p.escribod vohago i! now avail-able, replace the original ECM/PCM.
Ropair 3hort in the wiro betweonthe ahe.nator and ECM/PCM.
ECM/PCM CONNECTOR A I32PI
'Ia18I1011
121314151718t9
7
202'l2221
262730
Wire side offemale terminalsALTC(WHT/GRNI
c{WHT/GRNI
ALTERNATORWire side oIfemale terminals
([l
T
12
1
ECM/PCM CONNECTOB A (32PI
I23478910t1
1213 14151617182021222321
262730
Wire side of I AITCfemate terminats
A
(WHT/GRN|
23-116

Power Door Locks
Troubleshooting
NOTE: The numbers in the table show the troubleshooting sequence.
*: With keyless entry system
NOTE:
. When the remote transmitter button is pressed the first time, only the driver's door will unlock. When the button is
pressed the second time, all the doors will unlock.
. Thedoorswill relock a utomatica lly after 30 seconds if a door is not opened, or the key is out ot the ign ition switch.
. The keyless entry system will not lock or unlock the doors when the key is in the ignition switch.
Item to be inspected
Symptom
s
{o
x6
tn6
l5
€5
5O
o:E,
ooo>
o
;
o
>t
6<
o:
3
:o
o
.9
':
E
F
q)
<5
I
E
c
Power door lock svstem does not work at all.1ucc IWHT/GRN
Doors don't lock with driver's
door lock knob switch.
All doorsI2BLU,ryVHT
One or more
doors
YEURED or
WHT/RED
Doors don't lock or unlock
with driver's door lock switch.
All doors
1
GRN/WHT,
GRN/ORN,
YEURED or
WHT/RED
One or more
ooors
YEURED or
WHT/RED
*The power door lock system works properly but
the keyless entry system doesn't.1G401
G402
GRNAVHT or
GRNiORN
23-256