Honda Civic Service Manual page 759

Electrical Troubleshooting ('99 - 00 Models)
Troubleshooting Flowchart - Lock-up Control Solenoid Valve A
NOTE: Record all freeze data before vou troubleshoot.
Possible Cause
. Disconnocted lock-uD control
solenoid valve A/B alsembly
connector
. Short or opon in lock-up conkol
solenoid valv6 A wire
. Faulty lock-up control solenoid
valva A
' Open in VB SOL wire
FCM CONNECTORS
LGl IBRN/BLXI
LG2 (BRN/BLK)
Wire side ot female terminals
LGl (BRN/BLKI
LG2 IBRN/8LK)
To page 1+81
a
\
. OBD ll Scan Tool indic.t6 Code
P1753.
. S e l f - d i a g n o s i s @ i n d i c a t o r
light blink3 once.
Check lor a Short to Power:
L Turn the ignition switch OFF.
2. Disconnect the B (25P) and D
( 1 6 P ) c o n n e c t o r s l r o m t h e
PCt\4.
3. Turn the ignition switch ON (ll).
4. Measure the voltage between
the Dl and 820 or 822 termi-
nats.
Ropair short to powcr in the wire
bstwoon tho Dl tolminal and the
lock-up cor|lrol lolonoid valvo A.
Measu.e Lock-up Cont.ol Sole-
noid V.lvo A R63btanc6:
1. Turn the ignition switch OFF.
2 . M e a s u r e t h e r e s i s t a n c e
between the Dl and 820 or
822 terminals.
ls the resistance 12 - 25 O?
Measure VB SOL Vohage:
1. Turn the ignition switch ON (ll).
2. Measure the voltage between
the D5 and 820 or 822 termi-
nals.
Check for blown No. 15 17.5 Al
fu3€ in the undordash fuse/raby
box. l{ th€ tusa ii OK, r.pair opon
in the wira b€twoen th€ 05 torfti-
nal and thc und€r{ash fuso/r€lay
box.
Check to.loose tarminalfit in the
PCM connecloa3. ll necessary,
substilute a known-good PCM
and rocheck.
B (25Pt ll D {16P1
B (2sPt
ll D {16P1
I t25Pt
D (16P1
14-80