Honda Civic Service Manual page 735

Electrical Troubleshooting (,96 - gg Models)
Troubleshooting Flowchart - Lock-up contror sorenoid Varve A
Po$ible Cau3e
. Disconnecled lock-up control
solenoid valvo A connector
. Short or open in lock-uD control
solenoid valv€ A wire
. Fauliy lock-up contlol solonoid
valve A
PCM CONNECTORS
Wire side of female terminals
. OBD ll Scrn Toot indicates Code
P1753.
. S e l f - d i a g n o s i s @ i n d i c a t o r
light blinks once.
Check for a Short to Powo.:
1. Turn the ignition switch OFF.
2. Disconnect the A (32p) and B
( 2 5 P ) c o n n s g l 6 p s 1 r q - t h a
PCM.
3. Turn the ignition swjtch ON 0t).
4, Measure the voltage between
the 85 and Ag or A22 termi
nals.
Repair shoit to power in the wire
betw€en the 85 terminal and thg
lock-up coDtrol tolenoid valve A.
Mea3ure Lock-up Control Sole-
noid Valve A RGislance:
'1. Turn
the ignition switch OFF.
2 . M e a s u r e t h e
r e s i s t a n c e
between the 85 and A9 or A22
terminals.
Check lor looso PCM conn€ctoB.
lf nece$.ry, substituto a known-
good aolonoid valve ass€.nblv ol
PCM end rech6ck.
ls the resistance 12 - 25 O?
NOTE: Record allfreeze data before you troubleshoot.
A l32P)
T o p a g e ' 1 4 - 5 7