1997 HONDA CIVIC Check engine light is on

MaintenanceBack-up Light Switch
Transmission Oil
NOTE: Check the transmission oil with the engine OFF
and the vehicle on level ground.
1. Remove the oil filler plug, then check the level and
condition of the oil.
OIL FILLER PLUG/14 N.m (4.5 kgl.m,33 lbl.ft)Proper Level
4.
WASHERReplace.
The oil level must be up to the filler hole. lf it is
below the hole, add oil until it runs out. then rein-
stall the oil filler plug with a new washer.
lf the transmission oil is dirty, remove the drain plug
and drain the oil.
Reinstall the drain plug with a new washer, and refill
the transmission with the recommended oil to the
proper lever.
NOTE: The drain plug washer should be replaced at
every oil change.
Reinstall the oil filler plug with a new washer.
OilCapacity
1.8 f (1.9 US qt. 1.6 lmp qtl at oil change
1.9 { (2.0 US $, 1.7 lmp qt) at overhaul
Always use Genuine Honda Manual Transmission
Fluid {MTF). Using motor oil can cause stiffer shift-
ing because it does not contain the proper addi-
t|ves.
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\
Replacement
NOTE: To test the back-up light switch, see section 23
1. Disconnect the connector, then remove the back-up
light swirch connector from the connector clamp.
2. Remove the back-up light switch.
25 N.m (2.5 kgf'm, 18lbf'ltl
Install the new washer and back-up light switch
Connect the back-up light switch connector.
ASHER
13-3

Torque Value
A - 15 N.m (1.5 kgf.m, 1'1 lbf.ft)
B - 27 N.m (2.8 kgf.m. 20 lbift)
C - 31 N.m {3.2 kgnm, 23 lbift)
\
O BALL BEARING (*T)
ANGULAR
BALL BEARING {*2I
O 5TH SYNCHRO HUB
O 5TH SYNCHRO SLEEVE
€) SYNCHRO SPRING
o SYNCHRO B|NG
@ 5TH GEAR
@ gz xgt x 23.5 mm
NEEDLE BEARING
@ SPACER COLLAR
@34x39x23mm
NEEDLE BEARING
(D 4TH GEAR
O SYNCHRO RING
C) SYNCHRO SPRING
CO 3RD/4TH SYNCHRO SLEEVE
@ 3RD/4TH SYNCHRO HUB
(} 3RD GEAR
@34x39x27.5mmNEEDLE BEARING
G) MAINSHAFT
G) WASHER
@ SPRING WASHER
@ BALL BEARING
Check for wear and
operation.(E 26x42x7 mm OIL SEAL
Replace.
@ 28 mm PLUG BOLT
5,1 N.m {5.5 kgf'm, /t0 lbt'ft)
@ lsT/zND SELECT SPRING
L. 36.26 mm (1./P8 in)
@ SHIFT ARM SHAFT
@ CLUTCH HOUSING
@ INTEELOCK GUIDE BOLT
39 N.m (4.0 kgf.m, 29 lbf.ftl
@ REVERSE SHIFT HOLDER
@ REVERSE IDLER GEAR
@ REVERSE IDLER GEAR SHAFT
@ 5 x 22 mm SPRING PIN
Replace.
@ 3RD/4TH SHIFT PIECE
@ 5TH/REVERSE SHIFT PIECE
@ MBS SHIFT PIECE
@ 1ST/2ND SHIFI FORK
*1:D16Y7 engine*2: D16Y5, D16Y8 engines
@ 3RD//|TH SHIFT FORK
@ 5TH/REVERSE SHIFT FORK
@ 52 mm SNAP RING
@ 65 mm THRUST SHIM (*11
70 mm THRUST SHIM (*21
Selection, page 13-36
@ OIL GUIDE PLATE
@ wASHER Replace.
@ BACK.UP LIGHT SWITCH
25 N.m (2.5 kgf'm, 18 lbf'ft)
@ sET SCREW
22 N.m {2.2 kgf.m, 16 lbl.ft}
@ WASHER Replace.
@D SPRING 1.31.6 mm (1.2,1inl
@ STEEL BALL 15/16 in)
@ BACK-UP LIGHT
SWITCH HARNESS BRACKET
@ TRANSMISSION HANGER
@ 32 MM SEALING BOLT
25 N.m (2.5 kgf.m, 18 lbt'ft)
@ OIL SEAL
Replace.
@ OIL DRAIN PLUG
39 N.m (4.0 kgf.m, 29 lbf.ft)
@ WASHER Replace.
@} OIL FILLER PLUG
44 N.m (4.5 kgf.m, 33 lbf'ftl
@ WASHER Replace.
@) TRANSMISSION HOUSING
€) CLUTCH LINE BRACKET
@ OIL GUTTER PLATE
@ REVERSE LOCK CAM
@ REVEBSE SELECT SPRING
L. 63.4 mm {2.,196 in)
@ REVERSE SELECT RETAINER
@ SHIFT ARM C
@ SHIFT ARM B
@ INTERLoCK
@ COLLAR
@ SHIFT ARM A
@ SPRING WASHER
@ MAGNET
@ sET BALL SPRING BOLT
22 N.m (2.2 kgf.m, 16 lbf.ftl
@ 14 x 20 mm DOWEL PIN
@ 72 mm THRUST SHIM l*11
80 mm THRUST SHIM (*21
Selection, page '13-33
@ DIFFERENTIAL ASSEMBLY
See page 13-30
@ 14 x 25 x 17.5 mm OIL SEAL
Replace.
@ 35 x 56 x 8 mm OIL SEAL
Replace.
@ SHIFT ROD
@ BOOr
@ OIL GUIDE PLATE
@30x47x21 mm
NEEDLE BEARING (* 1}
30x55x21 mm
NEEDLE BEARING {'2)
@ COUNTERSHAFT
@36x41 x 25.5 mm
NEEDLE BEARING
Check for wear and
operatron.
@ lsT GEAR
@ FRICTION DAMPER
@ SYNCHRO RING
@ SYNCHRO SPRTNG
@ lST/2ND SYNCHRO HUB
@ REVERSE GEAR
@ SYNCHRO SPRING
@ SYNCHRO RING
@ FRICTION DAMPER
@ SPACER
@39x4lx27mm
NEEDLE BEARING
@ 2ND GEAR
@ 3RD GEAR
@ 4TH GEAR
@ sTH GEAR
@) BALL BEARING {* 1}
NEEDLE BEARING (*2}
@ BALL BEARING
@) SPRING WASHER
@ LoCKNUT Replace.
108 - 0- 108 N.m
ftt.o* o- 1r.o kst.m,l
179.6- 0- 79.6 rbtft I

13-1 1

MaintenanceBack-up Light Switch
\
Transmission Oil
NOTE: Check the oil with the engine OFF. and the vehi-
cle on level ground.
1. Remove the oil filler plug, then check the level and
condition of the oil.
OIL FILLER PLUGia4 N.m {{.5 kgf'm,Proper Level33 tbtfrl
The oil level must be up to the filler hole. lf it is
below the hole, add oil until it runs out, then rein-
stall the oil filler plug.
lf the transmission oil is dirty, remove the drain plug
and drain the oil.
Reinstall the drain plug with a new washer. and refill
the transmission oil to the proper level.
NOTE: The drain plug washer should be replaced at
every oil change.
Reinstallthe oilfiller plug with a new washer.
Oil Capacity
2.2 f {2.3 US. qt, 1.9 lmp. qtl at oil change.
2.3 f {2./f US. qt. 2.0 lmp. qt} at overhaul.
Always use Genuine Honda Manual Transmission
Fluid (MTF). Using motor oil can cause stiffer shift-
ing because it does not contain the proper addi-
tives.
OIL FILLER PLUGila N.m {4.5 kgf.m, 33 lbt'ftl
Replace.
\1,
Replacement
NOTE: To check the back-up light switch, see section 23.
1. Disconnect the connector, then remove the back-up
light switch connector from the connector clamp.
2. Remove the back-up lighr switch.
AACK.UP25 N.m 12.5 kgf.m, 18 lbf'tt)Replace.
lnstall the new washer and the back-up light switch.
Check the transmission oil level.4.

I
PCM CONNECTOR B {25P1 {cont'dl
Terminal NumberSignalDescriptionMeasuring Conditions/Terminal Vohage
811SHBShift control solenoid valve B
control
In 1st gear and 2nd gear in -q1, q11 position,
and in E] position: Battery voltage
In 3rd gear and 4th gear in lD.J, [Dr- position: 0 V
B't2SLUInterlock controlWhen ignition switch is ON (ll), brake pedal
deoressed and accelerator Dedal released: 0 V
813D4 INDD4 Indicator light controlWhen ignition switch is first turned ON (ll):
Battery voltage for two seconds
In E position: Baftery voltage
B't 4NMSGMainshaft speed sensor groundAlways: 0 V
E tcNMMainshaft speed sensor signal
input
Depending on engine speed: Pulsing signal
When engine is stopped: 0 V
816ATP RAy'T gear position switch Eposition signal input
InE position: 0V
In other than E position: Battery voltage
817ATP 2A/T gear position switch E posi-
tion signal input
InE position: 0V
In orher than E position: Battery voltage
818 to 821Not used
s22NCSGCountershatt speed sensor groundAlwaysr 0 V
B23NCCountershaft speed sensor signal
input
Depending on vehicle speed: Pulsing signal
When vehicle is stopped: 0 V
B24ATP D4Ay'T gear position switch lor posi-
tion signal input
InEposition:0V
In other than 6 position: 5 V
ATP NPA,/T gear position switch E and
N position signals input
InE and E positions: 0V
In otherthan E and N] positions: Battery voltage
PCM CONNECTOR C {31P)
Terminal NumberSignalDescriptionMeasuring Conditions/Terminal Voltage
Cl to C6- see section 11 -
c1Service check signalWith ignition switch ON (ll) and service check
connector oDen; 5 V
With ignition switch ON (ll) and service check
connector connected with sDecial tool: 0 V
C8 to Cg- see section 11 -
c10VBUBack-up power systemAlways battery voltage
C11 to C31- see section '11 -
PCM CONNECTOR D (16P}
Terminal NumberSignalDescriptionMeasuring Conditions/Terminal Voltage
Dl to D4- see section 11 -
D5STOP SWBrake switch signal inputBrake pedal depressed: Battery voltage
Brake pedal released: 0 V
D6 to D16- see section 1 l -
14-43

Electrical Troubleshooting ('96 - 98 Models)
Troubleshooting Flowchart - Lock-up Control System
NOTE: Record all freeze data before vou troubleshoot.
Possible Cause
Faulty Lock-up cont.ol system
NOTE: Do not continue with this troublesnoonnoother DTCS have been corrected.until the causes of any
. OBD ll Sc6n Tool indicatG Codem7{0.. Self-diagnosis E indicator lightindicates Code 40.
Check tor Another Code:Check whether the OBD ll scantool or the E indicato, lightindicates another code.
Perform lhe Troublo3hooiingFlowchart tor the indicatedCode(s). Recheck for cod. P07il0lilol aftor iroubl€3hooting.
Does the OBD ll scan tool orthe E indicator light indicateanother code?
Tast Line Pressure:Measure the line pressure (seepage 14-119 and 14-120).
Repair tho hydreulic aystem a3necessary {3ee page 14-119).
Replace the Lock-up ControlSolenoid Valve Assembly andR6check;1. Beplace the lock up controlsolenoid valve Ay'B assembly(see page 14-105).2. Turn the ignitaon switch OFFand reset the PCM by removing the BACK UP (7.5 A) fusein the underhood fuse/relaybox for more than 10 seconds,3. Using the scan tool, check tobe sure that the engine coolant temperature is in 176'F(80'C) and above.4. Drive the vehicle at 55 mph(88 km/h) constantly for morethan one minute.5. Recheck for code P0740 (40).
Does the OBD ll scan toolindicate code P0740 {40)?The systom k OK at this time.
l'.
14-74

Troubleshooting Flowchart - Lock-up Control System
NOTE: Record all freeze data before vou troubleshoot.
Possibl€ Cause
Faulty Lock-up control sy3tem
NOTE: Do not continue with this troubleshootingother DTCS have been corrected.until the causes of any
OBD ll Scan Tool indicates Codem14/J.S€lf-diagnosis .D4l indicalor lightindicates Code 40.
Check for Another Code:Check whether the OBD ll scantool or the :E indicator lightindicates another code,
Perform the TroubleshootingFlowchart tor the indicatedCodels|. Rocheck to. code P0740(40) .fter troublBhooting.
ooes the OBD ll scan tool orrhe E indicator light indicateanother code?
Test Line Pressure:Measure the line pressure (see
page 14 119 and 14-120).
Repair the hydrrulic sy3tem asn6c6ssary (see page 14-1191.ls the lane pressure within theservice limit?
Replace the Lock-up ControlSolenoid Valve Assembly andRecheck:1. Replace the lock-up controlsolenoid valve A/B assembly(see page 14-105).2. Turn the ignition switch OFFand reset the PCM by removing the EACK UP (7.5 A) fusein the underhood {use/relaybox for more than 10 seconds.3. Using the scan tool, check tobe sure that the engine cool-ant temperature is in 176'F(80'C) and above.4. Drive the vehicle at 55 mph(88 km/h) constantly for morethan one minute,5. Recheck for code P0740 {40).
Does the OBD ll scan toolindicate code P0740 (40)?The svstem i3 OK .t this time.
14-99

Electrical Troubleshooting ('96 - 9g Models)
Troubleshooting Flowchart - lgnition Coil
NOTE: Record all freeze data before you troubleshoot,
Po3rible Cause
. Dbconnected ignition coil con-nectol. Short o. op6n ignition coil wire' F.ulty ignition coil
Wire side ot female terminals
. OBD ll Scan Tool indicates CodePOl25.. Soll-diagnosis E indicarol lightindicates Code 11.
Measure NE Voltrge:1. Disconnect the A {26p) connector from the TCM.2. Start the engine.3. Measure the voltage betweenthe A5 and 413 or A26 termi-nals,
R6p.i. open or short in the wireb€lween the A5 te.minsl and thoignhion coil. It wir€ b OK, checkthe ignition coil test lsoc aoction23t.
ls there battery voltage?
Check for loose TCM connector.It nec$sery. substilute a known-good TCM and .echeck.

Troubleshooting Flowchart - Shift Control System
NOTE: Record all freeze data before you troubleshoot.
Po$ible Cause
Faulty 3hift control systemOgD ll Scan Tool indicates Code
P'1890.Self-diagnosi3 E indicator light
indicates Code 42.
Check for Anolhet Code:
Check whether the E indicator
light indicates another code.
Pertorm the TroubleshoolingFlowchrrt to. th€ indicet.d
Codelsl.
ls the E indicator light indi
cate another code?
Check Stall Speed RPM:Measure the stall speed RPM(see page 14-298).
ls the stall speed over 3,500 rpm?
ls the slall speed below 2.0o0 rpm)
Test-drive and Check E ngine
Speed:1. Drive the vehicle at 30 mPh(50 km/h) constantlY for sev_
eral manutes.2. Check the engine speed
ls the engine speed within the
specification (see page 14 296
and 14 297\?
14-259