1999 HONDA CIVIC ac system

System Description
System Connectors [Engine Gompartmentl (cont'd]
81642 enginoi
v
11-74

c122
A,g
l-iln'eo*r,vHr__-ll[lcRNiBLitl]l
cl17
r'trTl
16lBLK,-__-llO BLX,\,E[ |
16l Btu/wil-
c112
ffi
Cliro
o
C1'11
ffi
l6l-ciN/YEL' _-l
NOTE: . Different wires with the same color have been given a number suffix to distinguish them (for example, YEUBLK1
and YEUBLK'are not the same).
O: Related to Fuel and Emissions System,- Connector with male terminals (double outline): View from terminal side
- Connector with female terminals (single outline): View from wire side
c'54*1
frl zlsl
fflErKwH---llOlBLr I
f6lGrrunEp -l
11-75

System Description
a
a
a
System Connectors [Dash and Floor]
('99 - fil models except D16Y5 engine with M/Tl
L
11-76
L

v1s8l7l6le t0r l!21
' S€cuitAr.h Sysi.m
cL5lwithod cruir. cort?oll
c510 ta/T)
;--F--trt2l
w
l-T - --l
l. - I
elz5{with crui* codrol)
r'ffitr
13 rl
lElwHT"cRN I
YELf,ED/BLK.!
- Connector with male terminals (double outline): View from terminal side
- Connector with female terminals (single outline): View from wire side
Different wires with the same cotor have been given a number suffix to distinguish them (for example, YEUBLKl
and YEUBLK'are not the same).
O; Related to Fuel and Emissions System
Dt!
t-
NOTE: o
a
a(cont'd)
11-77
t213t5
5
14i!aL(LTATU
1
Et0t1,/ ./ie /1Al,/ 20
2a
9t0l213111 /l61718
!t
t1t
23I7a9
101112t3/lr5l/18 t9
12
YEL
YEL3LK2

System Description
System Connectors lDash and Floor] (cont'dl
('99 - 00 mod€ls oxc€pt Dl6Y5 ongine with M/T)
11-78

System Descriptions
System Connectors lFuel Pump]
('9!, - 00 models 6xcept Dl6Y5 ongino with M/T)
\(
I
c568
ffi
c565
E
c792
Different wires with the same color have been given a number suffix to distinguish them (for example, YEUBLKIand YEVBLK, are not the same).
O: Related to Fuel and Emissions System.- Connector with male terminals (double outline): View from terminal side- Connector with female terminals (single outline): View from wire side
c793
fr
NOTE: o
a
a
1 1-80

lf the inspection for a particular code requires voltage or resistance checks at the ECM/PCM connectors, remove the right
kick panel. Pull the carpet back to expose the ECM/PCM. Remove the ABS control unit if so equipped. unbolt the EcM/
PCM bolt. Turn the ignition switch oFF, and connect the backprobe sets and a digital multimeter as described below
check the system according to the procedure described for the appropriate code(s) listed on the following pages'
The illustrationshows '96 - '98 models.
How to Use lhe Backprobe Sets
connect the backprobe adapters to the stacking patch cords, and connect the cords to a multimeter. using the wire insula-
tion as a guide for the contoured trp of the backprobe adapter. gently slide the tip into the connector from the wire side
until it comes in contact with terminal end of the wire'
BackProbe
BACKPROEE SET
07SAZ - 001000A lTwo
DIGITAL MULTIMETER(Commercially avail.bleI orKs - AHM - 32 - oo3 (cont'd)
KICK PANEL
1 1-83

Troubleshooting
Troubleshooting Procedures (cont,dl
CAUTION:
. Punqturing ihe insulation on a wirs can cause poor or intermiftent electricar connections.I Bring the test€r probe into contacl with the terminatlrom the terminal side of wire harnesg conncctors in the gngin€compartment. For temale connectors, iust touch lightly with the tester probe and do not inse.t the probe.
\I
RUBBER SEAL
Other Probable Causes for an engine that will not start:- Compression- Starting system- lntake air leakage - Overheating- Engine locked up - Battery- Timing belt
TESTER PROBE
Symptom Chart
Listed below are symptoms and probable causes for problems that Do NoT cause the Malfunction indicator Lamp (MlL) tocome on. lfthe MIL was reported on, go to page 11_81.Troubleshoot each probabre cause in the order risted (from reft to right) untir the symptom is eriminated.The probable cause and troubleshooting page reference can be found berow.
L
*: '99 - 00 models
TERMINAL
SYMPTOMPROBABLE CAUSE
4,2,3, 5,20, 14, 1
2, 4, 11, 16, 13, 't9
?, s^6. 16
1,8,10.9
Engine will not sta rt
Hard starting
Cold fast idle too low
Cold fast idle too high
ldle speed fluctuates7,8, 10.9
Troubleshoot for misfire on pages l1-166, 167Misfire or rough running
LOW power
E"g|* "t"lb
2,9, 10, 12, 11, 16, 't8,20
2,4,11,7,20,8,5,15
't9, 21
1r, ,1
Difficult to refuel*
Fuel overflows during refueling*
11-84